repos/blastem: m68k_to_x86.c annotate

annotate m68k_to_x86.c @ 319:0bcab0475a7f

Port instruction retranslation improvements from Z80 core to M68K core

author	Mike Pavone <pavone@retrodev.com>
date	Sat, 11 May 2013 01:38:57 -0700
parents	d9bf8e61c33c
children	146c87616b05

rev	line source
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	1 #include "gen_x86.h"
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2 #include "m68k_to_x86.h"
208 3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 207 diff changeset	3 #include "68kinst.h"
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	4 #include "mem.h"
211 464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 210 diff changeset	5 #include "x86_backend.h"
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	6 #include <stdio.h>
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	7 #include <stddef.h>
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	8 #include <stdlib.h>
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	9 #include <string.h>
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	10
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	11 #define BUS 4
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	12 #define PREDEC_PENALTY 2
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	13 #define CYCLES RAX
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	14 #define LIMIT RBP
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	15 #define SCRATCH1 RCX
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	16 #define SCRATCH2 RDI
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	17 #define CONTEXT RSI
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	18
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	19 #define FLAG_N RBX
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	20 #define FLAG_V BH
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	21 #define FLAG_Z RDX
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	22 #define FLAG_C DH
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	23
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	24 char disasm_buf[1024];
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	25
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	26 void handle_cycle_limit_int();
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	27 void m68k_read_word_scratch1();
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	28 void m68k_read_long_scratch1();
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	29 void m68k_read_byte_scratch1();
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	30 void m68k_write_word();
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	31 void m68k_write_long_lowfirst();
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	32 void m68k_write_long_highfirst();
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	33 void m68k_write_byte();
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	34 void m68k_save_context();
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	35 void m68k_load_context();
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	36 void m68k_modified_ret_addr();
53 44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	37 void m68k_native_addr();
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	38 void m68k_native_addr_and_sync();
152 79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	39 void m68k_trap();
176 e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it Mike Pavone <pavone@retrodev.com> parents: 175 diff changeset	40 void m68k_invalid();
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	41 void m68k_retrans_stub();
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	42 void set_sr();
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	43 void set_ccr();
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	44 void get_sr();
150 3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	45 void do_sync();
194 811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	46 void bcd_add();
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	47 void bcd_sub();
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	48 void m68k_start_context(uint8_t * addr, m68k_context * context);
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	49
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	50 uint8_t * cycles(uint8_t * dst, uint32_t num)
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	51 {
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	52 dst = add_ir(dst, num, CYCLES, SZ_D);
118 d9ff99ef5533 cycles should return dst Mike Pavone <pavone@retrodev.com> parents: 116 diff changeset	53 return dst;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	54 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	55
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	56 uint8_t * check_cycles_int(uint8_t * dst, uint32_t address)
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	57 {
87 60b5c9e2f4e0 vertical interrupts now work Mike Pavone <pavone@retrodev.com> parents: 86 diff changeset	58 dst = cmp_rr(dst, CYCLES, LIMIT, SZ_D);
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	59 uint8_t * jmp_off = dst+1;
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	60 dst = jcc(dst, CC_NC, dst + 7);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	61 dst = mov_ir(dst, address, SCRATCH1, SZ_D);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	62 dst = call(dst, (uint8_t *)handle_cycle_limit_int);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	63 *jmp_off = dst - (jmp_off+1);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	64 return dst;
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	65 }
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	66
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	67 int8_t native_reg(m68k_op_info * op, x86_68k_options * opts)
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	68 {
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	69 if (op->addr_mode == MODE_REG) {
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	70 return opts->dregs[op->params.regs.pri];
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	71 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	72 if (op->addr_mode == MODE_AREG) {
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	73 return opts->aregs[op->params.regs.pri];
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	74 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	75 return -1;
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	76 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	77
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	78 //must be called with an m68k_op_info that uses a register
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	79 size_t reg_offset(m68k_op_info *op)
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	80 {
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	81 if (op->addr_mode == MODE_REG) {
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	82 return offsetof(m68k_context, dregs) + sizeof(uint32_t) * op->params.regs.pri;
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	83 }
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	84 return offsetof(m68k_context, aregs) + sizeof(uint32_t) * op->params.regs.pri;
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	85 }
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	86
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	87 void print_regs_exit(m68k_context * context)
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	88 {
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	89 printf("XNZVC\n%d%d%d%d%d\n", context->flags[0], context->flags[1], context->flags[2], context->flags[3], context->flags[4]);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	90 for (int i = 0; i < 8; i++) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	91 printf("d%d: %X\n", i, context->dregs[i]);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	92 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	93 for (int i = 0; i < 8; i++) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	94 printf("a%d: %X\n", i, context->aregs[i]);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	95 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	96 exit(0);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	97 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	98
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	99 uint8_t * translate_m68k_src(m68kinst * inst, x86_ea * ea, uint8_t * out, x86_68k_options * opts)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	100 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	101 int8_t reg = native_reg(&(inst->src), opts);
81 6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	102 uint8_t sec_reg;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	103 int32_t dec_amount,inc_amount;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	104 if (reg >= 0) {
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	105 ea->mode = MODE_REG_DIRECT;
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	106 if (inst->dst.addr_mode == MODE_AREG && inst->extra.size == OPSIZE_WORD) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	107 out = movsx_rr(out, reg, SCRATCH1, SZ_W, SZ_D);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	108 ea->base = SCRATCH1;
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	109 } else {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	110 ea->base = reg;
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	111 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	112 return out;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	113 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	114 switch (inst->src.addr_mode)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	115 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	116 case MODE_REG:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	117 case MODE_AREG:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	118 //We only get one memory parameter, so if the dst operand is a register in memory,
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	119 //we need to copy this to a temp register first
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	120 reg = native_reg(&(inst->dst), opts);
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	121 if (reg >= 0 \|\| inst->dst.addr_mode == MODE_UNUSED \|\| !(inst->dst.addr_mode == MODE_REG \|\| inst->dst.addr_mode == MODE_AREG)
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	122 \|\| inst->op == M68K_EXG) {
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	123
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	124 ea->mode = MODE_REG_DISPLACE8;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	125 ea->base = CONTEXT;
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	126 ea->disp = reg_offset(&(inst->src));
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	127 } else {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	128 if (inst->dst.addr_mode == MODE_AREG && inst->extra.size == OPSIZE_WORD) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	129 out = movsx_rdisp8r(out, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_W, SZ_D);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	130 } else {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	131 out = mov_rdisp8r(out, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, inst->extra.size);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	132 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	133 ea->mode = MODE_REG_DIRECT;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	134 ea->base = SCRATCH1;
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	135 //we're explicitly handling the areg dest here, so we exit immediately
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	136 return out;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	137 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	138 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	139 case MODE_AREG_PREDEC:
216 0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	140 dec_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : (inst->src.params.regs.pri == 7 ? 2 :1));
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	141 out = cycles(out, PREDEC_PENALTY);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	142 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
158 a2ab895d9708 Fix predec address mode when used as source Mike Pavone <pavone@retrodev.com> parents: 157 diff changeset	143 out = sub_ir(out, dec_amount, opts->aregs[inst->src.params.regs.pri], SZ_D);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	144 } else {
158 a2ab895d9708 Fix predec address mode when used as source Mike Pavone <pavone@retrodev.com> parents: 157 diff changeset	145 out = sub_irdisp8(out, dec_amount, CONTEXT, reg_offset(&(inst->src)), SZ_D);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	146 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	147 case MODE_AREG_INDIRECT:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	148 case MODE_AREG_POSTINC:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	149 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	150 out = mov_rr(out, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	151 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	152 out = mov_rdisp8r(out, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	153 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	154 switch (inst->extra.size)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	155 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	156 case OPSIZE_BYTE:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	157 out = call(out, (char *)m68k_read_byte_scratch1);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	158 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	159 case OPSIZE_WORD:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	160 out = call(out, (char *)m68k_read_word_scratch1);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	161 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	162 case OPSIZE_LONG:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	163 out = call(out, (char *)m68k_read_long_scratch1);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	164 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	165 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	166
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	167 if (inst->src.addr_mode == MODE_AREG_POSTINC) {
183 2f08d9e90a4c Fix (a7)+ src when size is byte, fix trap return address, make div with areg src decoded to invalid Mike Pavone <pavone@retrodev.com> parents: 182 diff changeset	168 inc_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : (inst->src.params.regs.pri == 7 ? 2 : 1));
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	169 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	170 out = add_ir(out, inc_amount, opts->aregs[inst->src.params.regs.pri], SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	171 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	172 out = add_irdisp8(out, inc_amount, CONTEXT, reg_offset(&(inst->src)), SZ_D);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	173 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	174 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	175 ea->mode = MODE_REG_DIRECT;
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	176 ea->base = (inst->dst.addr_mode == MODE_AREG_PREDEC && inst->op != M68K_MOVE) ? SCRATCH2 : SCRATCH1;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	177 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	178 case MODE_AREG_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	179 out = cycles(out, BUS);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	180 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	181 out = mov_rr(out, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	182 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	183 out = mov_rdisp8r(out, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	184 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	185 out = add_ir(out, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	186 switch (inst->extra.size)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	187 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	188 case OPSIZE_BYTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	189 out = call(out, (char *)m68k_read_byte_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	190 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	191 case OPSIZE_WORD:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	192 out = call(out, (char *)m68k_read_word_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	193 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	194 case OPSIZE_LONG:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	195 out = call(out, (char *)m68k_read_long_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	196 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	197 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	198 ea->mode = MODE_REG_DIRECT;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	199 ea->base = SCRATCH1;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	200 break;
81 6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	201 case MODE_AREG_INDEX_DISP8:
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	202 out = cycles(out, 6);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	203 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	204 out = mov_rr(out, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	205 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	206 out = mov_rdisp8r(out, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	207 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	208 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	209 if (inst->src.params.regs.sec & 1) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	210 if (inst->src.params.regs.sec & 0x10) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	211 if (opts->aregs[sec_reg] >= 0) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	212 out = add_rr(out, opts->aregs[sec_reg], SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	213 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	214 out = add_rdisp8r(out, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	215 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	216 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	217 if (opts->dregs[sec_reg] >= 0) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	218 out = add_rr(out, opts->dregs[sec_reg], SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	219 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	220 out = add_rdisp8r(out, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	221 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	222 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	223 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	224 if (inst->src.params.regs.sec & 0x10) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	225 if (opts->aregs[sec_reg] >= 0) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	226 out = movsx_rr(out, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	227 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	228 out = movsx_rdisp8r(out, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	229 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	230 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	231 if (opts->dregs[sec_reg] >= 0) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	232 out = movsx_rr(out, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	233 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	234 out = movsx_rdisp8r(out, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	235 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	236 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	237 out = add_rr(out, SCRATCH2, SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	238 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	239 if (inst->src.params.regs.displacement) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	240 out = add_ir(out, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	241 }
97 c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	242 switch (inst->extra.size)
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	243 {
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	244 case OPSIZE_BYTE:
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	245 out = call(out, (char *)m68k_read_byte_scratch1);
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	246 break;
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	247 case OPSIZE_WORD:
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	248 out = call(out, (char *)m68k_read_word_scratch1);
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	249 break;
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	250 case OPSIZE_LONG:
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	251 out = call(out, (char *)m68k_read_long_scratch1);
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	252 break;
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	253 }
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	254 ea->mode = MODE_REG_DIRECT;
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	255 ea->base = SCRATCH1;
81 6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	256 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	257 case MODE_PC_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	258 out = cycles(out, BUS);
74 6396dc91f61e Fix some bugs in movem with a register list destination Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	259 out = mov_ir(out, inst->src.params.regs.displacement + inst->address+2, SCRATCH1, SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	260 switch (inst->extra.size)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	261 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	262 case OPSIZE_BYTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	263 out = call(out, (char *)m68k_read_byte_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	264 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	265 case OPSIZE_WORD:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	266 out = call(out, (char *)m68k_read_word_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	267 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	268 case OPSIZE_LONG:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	269 out = call(out, (char *)m68k_read_long_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	270 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	271 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	272 ea->mode = MODE_REG_DIRECT;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	273 ea->base = SCRATCH1;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	274 break;
81 6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	275 case MODE_PC_INDEX_DISP8:
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	276 out = cycles(out, 6);
96 f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	277 out = mov_ir(out, inst->address+2, SCRATCH1, SZ_D);
81 6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	278 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	279 if (inst->src.params.regs.sec & 1) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	280 if (inst->src.params.regs.sec & 0x10) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	281 if (opts->aregs[sec_reg] >= 0) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	282 out = add_rr(out, opts->aregs[sec_reg], SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	283 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	284 out = add_rdisp8r(out, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	285 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	286 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	287 if (opts->dregs[sec_reg] >= 0) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	288 out = add_rr(out, opts->dregs[sec_reg], SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	289 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	290 out = add_rdisp8r(out, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	291 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	292 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	293 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	294 if (inst->src.params.regs.sec & 0x10) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	295 if (opts->aregs[sec_reg] >= 0) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	296 out = movsx_rr(out, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	297 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	298 out = movsx_rdisp8r(out, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	299 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	300 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	301 if (opts->dregs[sec_reg] >= 0) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	302 out = movsx_rr(out, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	303 } else {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	304 out = movsx_rdisp8r(out, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	305 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	306 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	307 out = add_rr(out, SCRATCH2, SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	308 }
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	309 if (inst->src.params.regs.displacement) {
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	310 out = add_ir(out, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	311 }
96 f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	312 switch (inst->extra.size)
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	313 {
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	314 case OPSIZE_BYTE:
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	315 out = call(out, (char *)m68k_read_byte_scratch1);
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	316 break;
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	317 case OPSIZE_WORD:
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	318 out = call(out, (char *)m68k_read_word_scratch1);
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	319 break;
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	320 case OPSIZE_LONG:
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	321 out = call(out, (char *)m68k_read_long_scratch1);
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	322 break;
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	323 }
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	324 ea->mode = MODE_REG_DIRECT;
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	325 ea->base = SCRATCH1;
81 6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	326 break;
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	327 case MODE_ABSOLUTE:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	328 case MODE_ABSOLUTE_SHORT:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	329 if (inst->src.addr_mode == MODE_ABSOLUTE) {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	330 out = cycles(out, BUS*2);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	331 } else {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	332 out = cycles(out, BUS);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	333 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	334 out = mov_ir(out, inst->src.params.immed, SCRATCH1, SZ_D);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	335 switch (inst->extra.size)
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	336 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	337 case OPSIZE_BYTE:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	338 out = call(out, (char *)m68k_read_byte_scratch1);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	339 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	340 case OPSIZE_WORD:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	341 out = call(out, (char *)m68k_read_word_scratch1);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	342 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	343 case OPSIZE_LONG:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	344 out = call(out, (char *)m68k_read_long_scratch1);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	345 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	346 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	347 ea->mode = MODE_REG_DIRECT;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	348 ea->base = SCRATCH1;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	349 break;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	350 case MODE_IMMEDIATE:
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	351 case MODE_IMMEDIATE_WORD:
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	352 if (inst->variant != VAR_QUICK) {
64 2b1a65f4b85d Cleanup 68K timing code. Temporarily omment out fFPS counter as it was causing segfaults Mike Pavone <pavone@retrodev.com> parents: 61 diff changeset	353 out = cycles(out, (inst->extra.size == OPSIZE_LONG && inst->src.addr_mode == MODE_IMMEDIATE) ? BUS*2 : BUS);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	354 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	355 ea->mode = MODE_IMMED;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	356 ea->disp = inst->src.params.immed;
216 0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	357 if (inst->dst.addr_mode == MODE_AREG && inst->extra.size == OPSIZE_WORD && ea->disp & 0x8000) {
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	358 ea->disp \|= 0xFFFF0000;
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	359 }
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	360 return out;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	361 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	362 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	363 printf("%X: %s\naddress mode %d not implemented (src)\n", inst->address, disasm_buf, inst->src.addr_mode);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	364 exit(1);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	365 }
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	366 if (inst->dst.addr_mode == MODE_AREG && inst->extra.size == OPSIZE_WORD) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	367 if (ea->mode == MODE_REG_DIRECT) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	368 out = movsx_rr(out, ea->base, SCRATCH1, SZ_W, SZ_D);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	369 } else {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	370 out = movsx_rdisp8r(out, ea->base, ea->disp, SCRATCH1, SZ_W, SZ_D);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	371 ea->mode = MODE_REG_DIRECT;
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	372 }
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	373 ea->base = SCRATCH1;
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	374 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	375 return out;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	376 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	377
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	378 uint8_t * translate_m68k_dst(m68kinst * inst, x86_ea * ea, uint8_t * out, x86_68k_options * opts, uint8_t fake_read)
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	379 {
98 104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	380 int8_t reg = native_reg(&(inst->dst), opts), sec_reg;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	381 int32_t dec_amount, inc_amount;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	382 if (reg >= 0) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	383 ea->mode = MODE_REG_DIRECT;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	384 ea->base = reg;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	385 return out;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	386 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	387 switch (inst->dst.addr_mode)
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	388 {
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	389 case MODE_REG:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	390 case MODE_AREG:
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	391 ea->mode = MODE_REG_DISPLACE8;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	392 ea->base = CONTEXT;
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	393 ea->disp = reg_offset(&(inst->dst));
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	394 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	395 case MODE_AREG_PREDEC:
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	396 if (inst->src.addr_mode == MODE_AREG_PREDEC) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	397 out = push_r(out, SCRATCH1);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	398 }
182 924af8b2f7a0 Fix -(a7) dest when size is byte Mike Pavone <pavone@retrodev.com> parents: 181 diff changeset	399 dec_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : (inst->dst.params.regs.pri == 7 ? 2 : 1));
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	400 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	401 out = sub_ir(out, dec_amount, opts->aregs[inst->dst.params.regs.pri], SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	402 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	403 out = sub_irdisp8(out, dec_amount, CONTEXT, reg_offset(&(inst->dst)), SZ_D);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	404 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	405 case MODE_AREG_INDIRECT:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	406 case MODE_AREG_POSTINC:
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	407 if (fake_read) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	408 out = cycles(out, inst->extra.size == OPSIZE_LONG ? 8 : 4);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	409 } else {
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	410 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	411 out = mov_rr(out, opts->aregs[inst->dst.params.regs.pri], SCRATCH1, SZ_D);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	412 } else {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	413 out = mov_rdisp8r(out, CONTEXT, reg_offset(&(inst->dst)), SCRATCH1, SZ_D);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	414 }
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	415 switch (inst->extra.size)
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	416 {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	417 case OPSIZE_BYTE:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	418 out = call(out, (char *)m68k_read_byte_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	419 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	420 case OPSIZE_WORD:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	421 out = call(out, (char *)m68k_read_word_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	422 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	423 case OPSIZE_LONG:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	424 out = call(out, (char *)m68k_read_long_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	425 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	426 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	427 }
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	428 if (inst->src.addr_mode == MODE_AREG_PREDEC) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	429 //restore src operand to SCRATCH2
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	430 out =pop_r(out, SCRATCH2);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	431 } else {
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	432 //save reg value in SCRATCH2 so we can use it to save the result in memory later
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	433 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	434 out = mov_rr(out, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	435 } else {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	436 out = mov_rdisp8r(out, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	437 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	438 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	439
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	440 if (inst->dst.addr_mode == MODE_AREG_POSTINC) {
218 1abf8e967b33 Fix autoincrement on a7 when used as a destination in a byte sized instruction Mike Pavone <pavone@retrodev.com> parents: 216 diff changeset	441 inc_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : (inst->dst.params.regs.pri == 7 ? 2 : 1));
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	442 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	443 out = add_ir(out, inc_amount, opts->aregs[inst->dst.params.regs.pri], SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	444 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	445 out = add_irdisp8(out, inc_amount, CONTEXT, reg_offset(&(inst->dst)), SZ_D);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	446 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	447 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	448 ea->mode = MODE_REG_DIRECT;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	449 ea->base = SCRATCH1;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	450 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	451 case MODE_AREG_DISPLACE:
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	452 out = cycles(out, fake_read ? BUS+(inst->extra.size == OPSIZE_LONG ? BUS*2 : BUS) : BUS);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	453 reg = fake_read ? SCRATCH2 : SCRATCH1;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	454 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	455 out = mov_rr(out, opts->aregs[inst->dst.params.regs.pri], reg, SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	456 } else {
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	457 out = mov_rdisp8r(out, CONTEXT, reg_offset(&(inst->dst)), reg, SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	458 }
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	459 out = add_ir(out, inst->dst.params.regs.displacement, reg, SZ_D);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	460 if (!fake_read) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	461 out = push_r(out, SCRATCH1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	462 switch (inst->extra.size)
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	463 {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	464 case OPSIZE_BYTE:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	465 out = call(out, (char *)m68k_read_byte_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	466 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	467 case OPSIZE_WORD:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	468 out = call(out, (char *)m68k_read_word_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	469 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	470 case OPSIZE_LONG:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	471 out = call(out, (char *)m68k_read_long_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	472 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	473 }
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	474 out = pop_r(out, SCRATCH2);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	475 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	476 ea->mode = MODE_REG_DIRECT;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	477 ea->base = SCRATCH1;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	478 break;
98 104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	479 case MODE_AREG_INDEX_DISP8:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	480 out = cycles(out, fake_read ? (6 + inst->extra.size == OPSIZE_LONG ? 8 : 4) : 6);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	481 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	482 out = mov_rr(out, opts->aregs[inst->dst.params.regs.pri], SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	483 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	484 out = mov_rdisp8r(out, CONTEXT, reg_offset(&(inst->dst)), SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	485 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	486 sec_reg = (inst->dst.params.regs.sec >> 1) & 0x7;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	487 if (inst->dst.params.regs.sec & 1) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	488 if (inst->dst.params.regs.sec & 0x10) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	489 if (opts->aregs[sec_reg] >= 0) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	490 out = add_rr(out, opts->aregs[sec_reg], SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	491 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	492 out = add_rdisp8r(out, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	493 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	494 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	495 if (opts->dregs[sec_reg] >= 0) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	496 out = add_rr(out, opts->dregs[sec_reg], SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	497 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	498 out = add_rdisp8r(out, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	499 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	500 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	501 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	502 if (inst->dst.params.regs.sec & 0x10) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	503 if (opts->aregs[sec_reg] >= 0) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	504 out = movsx_rr(out, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	505 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	506 out = movsx_rdisp8r(out, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	507 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	508 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	509 if (opts->dregs[sec_reg] >= 0) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	510 out = movsx_rr(out, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	511 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	512 out = movsx_rdisp8r(out, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	513 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	514 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	515 out = add_rr(out, SCRATCH2, SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	516 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	517 if (inst->dst.params.regs.displacement) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	518 out = add_ir(out, inst->dst.params.regs.displacement, SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	519 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	520 if (fake_read) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	521 out = mov_rr(out, SCRATCH1, SCRATCH2, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	522 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	523 out = push_r(out, SCRATCH1);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	524 switch (inst->extra.size)
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	525 {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	526 case OPSIZE_BYTE:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	527 out = call(out, (char *)m68k_read_byte_scratch1);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	528 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	529 case OPSIZE_WORD:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	530 out = call(out, (char *)m68k_read_word_scratch1);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	531 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	532 case OPSIZE_LONG:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	533 out = call(out, (char *)m68k_read_long_scratch1);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	534 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	535 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	536 out = pop_r(out, SCRATCH2);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	537 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	538 ea->mode = MODE_REG_DIRECT;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	539 ea->base = SCRATCH1;
161 6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	540 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	541 case MODE_PC_DISPLACE:
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	542 out = cycles(out, fake_read ? BUS+(inst->extra.size == OPSIZE_LONG ? BUS*2 : BUS) : BUS);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	543 out = mov_ir(out, inst->dst.params.regs.displacement + inst->address+2, fake_read ? SCRATCH2 : SCRATCH1, SZ_D);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	544 if (!fake_read) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	545 out = push_r(out, SCRATCH1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	546 switch (inst->extra.size)
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	547 {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	548 case OPSIZE_BYTE:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	549 out = call(out, (char *)m68k_read_byte_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	550 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	551 case OPSIZE_WORD:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	552 out = call(out, (char *)m68k_read_word_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	553 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	554 case OPSIZE_LONG:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	555 out = call(out, (char *)m68k_read_long_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	556 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	557 }
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	558 out = pop_r(out, SCRATCH2);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	559 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	560 ea->mode = MODE_REG_DIRECT;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	561 ea->base = SCRATCH1;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	562 break;
98 104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	563 case MODE_PC_INDEX_DISP8:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	564 out = cycles(out, fake_read ? (6 + inst->extra.size == OPSIZE_LONG ? 8 : 4) : 6);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	565 out = mov_ir(out, inst->address+2, SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	566 sec_reg = (inst->dst.params.regs.sec >> 1) & 0x7;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	567 if (inst->dst.params.regs.sec & 1) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	568 if (inst->dst.params.regs.sec & 0x10) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	569 if (opts->aregs[sec_reg] >= 0) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	570 out = add_rr(out, opts->aregs[sec_reg], SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	571 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	572 out = add_rdisp8r(out, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	573 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	574 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	575 if (opts->dregs[sec_reg] >= 0) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	576 out = add_rr(out, opts->dregs[sec_reg], SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	577 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	578 out = add_rdisp8r(out, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	579 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	580 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	581 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	582 if (inst->dst.params.regs.sec & 0x10) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	583 if (opts->aregs[sec_reg] >= 0) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	584 out = movsx_rr(out, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	585 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	586 out = movsx_rdisp8r(out, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	587 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	588 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	589 if (opts->dregs[sec_reg] >= 0) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	590 out = movsx_rr(out, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	591 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	592 out = movsx_rdisp8r(out, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	593 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	594 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	595 out = add_rr(out, SCRATCH2, SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	596 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	597 if (inst->dst.params.regs.displacement) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	598 out = add_ir(out, inst->dst.params.regs.displacement, SCRATCH1, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	599 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	600 if (fake_read) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	601 out = mov_rr(out, SCRATCH1, SCRATCH2, SZ_D);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	602 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	603 out = push_r(out, SCRATCH1);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	604 switch (inst->extra.size)
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	605 {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	606 case OPSIZE_BYTE:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	607 out = call(out, (char *)m68k_read_byte_scratch1);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	608 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	609 case OPSIZE_WORD:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	610 out = call(out, (char *)m68k_read_word_scratch1);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	611 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	612 case OPSIZE_LONG:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	613 out = call(out, (char *)m68k_read_long_scratch1);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	614 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	615 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	616 out = pop_r(out, SCRATCH2);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	617 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	618 ea->mode = MODE_REG_DIRECT;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	619 ea->base = SCRATCH1;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	620 break;
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	621 case MODE_ABSOLUTE:
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	622 case MODE_ABSOLUTE_SHORT:
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	623 //Add cycles for reading address from instruction stream
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	624 out = cycles(out, (inst->dst.addr_mode == MODE_ABSOLUTE ? BUS2 : BUS) + (fake_read ? (inst->extra.size == OPSIZE_LONG ? BUS2 : BUS) : 0));
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	625 out = mov_ir(out, inst->dst.params.immed, fake_read ? SCRATCH2 : SCRATCH1, SZ_D);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	626 if (!fake_read) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	627 out = push_r(out, SCRATCH1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	628 switch (inst->extra.size)
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	629 {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	630 case OPSIZE_BYTE:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	631 out = call(out, (char *)m68k_read_byte_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	632 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	633 case OPSIZE_WORD:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	634 out = call(out, (char *)m68k_read_word_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	635 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	636 case OPSIZE_LONG:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	637 out = call(out, (char *)m68k_read_long_scratch1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	638 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	639 }
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	640 out = pop_r(out, SCRATCH2);
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	641 }
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	642 ea->mode = MODE_REG_DIRECT;
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	643 ea->base = SCRATCH1;
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	644 break;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	645 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	646 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	647 printf("%X: %s\naddress mode %d not implemented (dst)\n", inst->address, disasm_buf, inst->dst.addr_mode);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	648 exit(1);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	649 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	650 return out;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	651 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	652
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	653 uint8_t * m68k_save_result(m68kinst * inst, uint8_t * out, x86_68k_options * opts)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	654 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	655 if (inst->dst.addr_mode != MODE_REG && inst->dst.addr_mode != MODE_AREG) {
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	656 if (inst->dst.addr_mode == MODE_AREG_PREDEC && inst->src.addr_mode == MODE_AREG_PREDEC && inst->op != M68K_MOVE) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	657 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	658 out = mov_rr(out, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	659 } else {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	660 out = mov_rdisp8r(out, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	661 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	662 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	663 switch (inst->extra.size)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	664 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	665 case OPSIZE_BYTE:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	666 out = call(out, (char *)m68k_write_byte);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	667 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	668 case OPSIZE_WORD:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	669 out = call(out, (char *)m68k_write_word);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	670 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	671 case OPSIZE_LONG:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	672 out = call(out, (char *)m68k_write_long_lowfirst);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	673 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	674 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	675 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	676 return out;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	677 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	678
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	679 uint8_t * get_native_address(native_map_slot * native_code_map, uint32_t address)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	680 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	681 address &= 0xFFFFFF;
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	682 address /= 2;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	683 uint32_t chunk = address / NATIVE_CHUNK_SIZE;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	684 if (!native_code_map[chunk].base) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	685 return NULL;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	686 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	687 uint32_t offset = address % NATIVE_CHUNK_SIZE;
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	688 if (native_code_map[chunk].offsets[offset] == INVALID_OFFSET \|\| native_code_map[chunk].offsets[offset] == EXTENSION_WORD) {
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	689 return NULL;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	690 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	691 return native_code_map[chunk].base + native_code_map[chunk].offsets[offset];
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	692 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	693
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 228 diff changeset	694 uint8_t * get_native_from_context(m68k_context * context, uint32_t address)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 228 diff changeset	695 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 228 diff changeset	696 return get_native_address(context->native_code_map, address);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 228 diff changeset	697 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 228 diff changeset	698
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	699 uint32_t get_instruction_start(native_map_slot * native_code_map, uint32_t address)
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	700 {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	701 address &= 0xFFFFFF;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	702 address /= 2;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	703 uint32_t chunk = address / NATIVE_CHUNK_SIZE;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	704 if (!native_code_map[chunk].base) {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	705 return 0;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	706 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	707 uint32_t offset = address % NATIVE_CHUNK_SIZE;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	708 if (native_code_map[chunk].offsets[offset] == INVALID_OFFSET) {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	709 return 0;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	710 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	711 while (native_code_map[chunk].offsets[offset] == EXTENSION_WORD) {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	712 --address;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	713 chunk = address / NATIVE_CHUNK_SIZE;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	714 offset = address % NATIVE_CHUNK_SIZE;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	715 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	716 return address*2;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	717 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	718
192 1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	719 void map_native_address(m68k_context * context, uint32_t address, uint8_t * native_addr, uint8_t size, uint8_t native_size)
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	720 {
192 1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	721 native_map_slot * native_code_map = context->native_code_map;
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	722 x86_68k_options * opts = context->options;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	723 address &= 0xFFFFFF;
192 1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	724 if (address > 0xE00000) {
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	725 context->ram_code_flags[(address & 0xC000) >> 14] \|= 1 << ((address & 0x3800) >> 11);
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	726 if (((address & 0x3FFF) + size) & 0xC000) {
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	727 context->ram_code_flags[((address+size) & 0xC000) >> 14] \|= 1 << (((address+size) & 0x3800) >> 11);
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	728 }
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	729 uint32_t slot = (address & 0xFFFF)/1024;
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	730 if (!opts->ram_inst_sizes[slot]) {
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	731 opts->ram_inst_sizes[slot] = malloc(sizeof(uint8_t) * 512);
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	732 }
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	733 opts->ram_inst_sizes[slot][((address & 0xFFFF)/2)%512] = native_size;
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	734 }
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	735 address/= 2;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	736 uint32_t chunk = address / NATIVE_CHUNK_SIZE;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	737 if (!native_code_map[chunk].base) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	738 native_code_map[chunk].base = native_addr;
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	739 native_code_map[chunk].offsets = malloc(sizeof(int32_t) * NATIVE_CHUNK_SIZE);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	740 memset(native_code_map[chunk].offsets, 0xFF, sizeof(int32_t) * NATIVE_CHUNK_SIZE);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	741 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	742 uint32_t offset = address % NATIVE_CHUNK_SIZE;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	743 native_code_map[chunk].offsets[offset] = native_addr-native_code_map[chunk].base;
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	744 for(address++,size-=2; size; address++,size-=2) {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	745 chunk = address / NATIVE_CHUNK_SIZE;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	746 offset = address % NATIVE_CHUNK_SIZE;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	747 if (!native_code_map[chunk].base) {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	748 native_code_map[chunk].base = native_addr;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	749 native_code_map[chunk].offsets = malloc(sizeof(int32_t) * NATIVE_CHUNK_SIZE);
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	750 memset(native_code_map[chunk].offsets, 0xFF, sizeof(int32_t) * NATIVE_CHUNK_SIZE);
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	751 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	752 native_code_map[chunk].offsets[offset] = EXTENSION_WORD;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	753 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	754 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	755
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	756 uint8_t get_native_inst_size(x86_68k_options * opts, uint32_t address)
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	757 {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	758 if (address < 0xE00000) {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	759 return 0;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	760 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	761 uint32_t slot = (address & 0xFFFF)/1024;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	762 return opts->ram_inst_sizes[slot][((address & 0xFFFF)/2)%512];
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	763 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	764
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	765 uint8_t * translate_m68k_move(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	766 {
99 8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	767 int8_t reg, flags_reg, sec_reg;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	768 uint8_t dir = 0;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	769 int32_t offset;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	770 int32_t inc_amount, dec_amount;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	771 x86_ea src;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	772 dst = translate_m68k_src(inst, &src, dst, opts);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	773 reg = native_reg(&(inst->dst), opts);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	774 if (inst->dst.addr_mode != MODE_AREG) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	775 //update statically set flags
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	776 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	777 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	778 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	779
216 0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	780 if (inst->dst.addr_mode != MODE_AREG) {
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	781 if (src.mode == MODE_REG_DIRECT) {
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	782 flags_reg = src.base;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	783 } else {
216 0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	784 if (reg >= 0) {
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	785 flags_reg = reg;
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	786 } else {
216 0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	787 if(src.mode == MODE_REG_DISPLACE8) {
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	788 dst = mov_rdisp8r(dst, src.base, src.disp, SCRATCH1, inst->extra.size);
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	789 } else {
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	790 dst = mov_ir(dst, src.disp, SCRATCH1, inst->extra.size);
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	791 }
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	792 src.mode = MODE_REG_DIRECT;
0b5ec22dcda2 Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source. Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	793 flags_reg = src.base = SCRATCH1;
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	794 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	795 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	796 }
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	797 uint8_t size = inst->extra.size;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	798 switch(inst->dst.addr_mode)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	799 {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	800 case MODE_AREG:
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	801 size = OPSIZE_LONG;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	802 case MODE_REG:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	803 if (reg >= 0) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	804 if (src.mode == MODE_REG_DIRECT) {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	805 dst = mov_rr(dst, src.base, reg, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	806 } else if (src.mode == MODE_REG_DISPLACE8) {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	807 dst = mov_rdisp8r(dst, src.base, src.disp, reg, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	808 } else {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	809 dst = mov_ir(dst, src.disp, reg, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	810 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	811 } else if(src.mode == MODE_REG_DIRECT) {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	812 dst = mov_rrdisp8(dst, src.base, CONTEXT, reg_offset(&(inst->dst)), size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	813 } else {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	814 dst = mov_irdisp8(dst, src.disp, CONTEXT, reg_offset(&(inst->dst)), size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	815 }
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	816 if (inst->dst.addr_mode != MODE_AREG) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	817 dst = cmp_ir(dst, 0, flags_reg, size);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	818 dst = setcc_r(dst, CC_Z, FLAG_Z);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	819 dst = setcc_r(dst, CC_S, FLAG_N);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	820 }
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	821 break;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	822 case MODE_AREG_PREDEC:
182 924af8b2f7a0 Fix -(a7) dest when size is byte Mike Pavone <pavone@retrodev.com> parents: 181 diff changeset	823 dec_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : (inst->dst.params.regs.pri == 7 ? 2 : 1));
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	824 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	825 dst = sub_ir(dst, dec_amount, opts->aregs[inst->dst.params.regs.pri], SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	826 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	827 dst = sub_irdisp8(dst, dec_amount, CONTEXT, reg_offset(&(inst->dst)), SZ_D);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	828 }
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	829 case MODE_AREG_INDIRECT:
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	830 case MODE_AREG_POSTINC:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	831 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	832 dst = mov_rr(dst, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	833 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	834 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	835 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	836 if (src.mode == MODE_REG_DIRECT) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	837 if (src.base != SCRATCH1) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	838 dst = mov_rr(dst, src.base, SCRATCH1, inst->extra.size);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	839 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	840 } else if (src.mode == MODE_REG_DISPLACE8) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	841 dst = mov_rdisp8r(dst, src.base, src.disp, SCRATCH1, inst->extra.size);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	842 } else {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	843 dst = mov_ir(dst, src.disp, SCRATCH1, inst->extra.size);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	844 }
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	845 if (inst->dst.addr_mode != MODE_AREG) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	846 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	847 dst = setcc_r(dst, CC_Z, FLAG_Z);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	848 dst = setcc_r(dst, CC_S, FLAG_N);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	849 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	850 switch (inst->extra.size)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	851 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	852 case OPSIZE_BYTE:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	853 dst = call(dst, (char *)m68k_write_byte);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	854 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	855 case OPSIZE_WORD:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	856 dst = call(dst, (char *)m68k_write_word);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	857 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	858 case OPSIZE_LONG:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	859 dst = call(dst, (char *)m68k_write_long_highfirst);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	860 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	861 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	862 if (inst->dst.addr_mode == MODE_AREG_POSTINC) {
218 1abf8e967b33 Fix autoincrement on a7 when used as a destination in a byte sized instruction Mike Pavone <pavone@retrodev.com> parents: 216 diff changeset	863 inc_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : (inst->dst.params.regs.pri == 7 ? 2 : 1));
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	864 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	865 dst = add_ir(dst, inc_amount, opts->aregs[inst->dst.params.regs.pri], SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	866 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	867 dst = add_irdisp8(dst, inc_amount, CONTEXT, reg_offset(&(inst->dst)), SZ_D);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	868 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	869 }
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	870 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	871 case MODE_AREG_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	872 dst = cycles(dst, BUS);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	873 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	874 dst = mov_rr(dst, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	875 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	876 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	877 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	878 dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	879 if (src.mode == MODE_REG_DIRECT) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	880 if (src.base != SCRATCH1) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	881 dst = mov_rr(dst, src.base, SCRATCH1, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	882 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	883 } else if (src.mode == MODE_REG_DISPLACE8) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	884 dst = mov_rdisp8r(dst, src.base, src.disp, SCRATCH1, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	885 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	886 dst = mov_ir(dst, src.disp, SCRATCH1, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	887 }
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	888 if (inst->dst.addr_mode != MODE_AREG) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	889 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	890 dst = setcc_r(dst, CC_Z, FLAG_Z);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	891 dst = setcc_r(dst, CC_S, FLAG_N);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	892 }
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	893 switch (inst->extra.size)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	894 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	895 case OPSIZE_BYTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	896 dst = call(dst, (char *)m68k_write_byte);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	897 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	898 case OPSIZE_WORD:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	899 dst = call(dst, (char *)m68k_write_word);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	900 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	901 case OPSIZE_LONG:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	902 dst = call(dst, (char *)m68k_write_long_highfirst);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	903 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	904 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	905 break;
99 8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	906 case MODE_AREG_INDEX_DISP8:
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	907 dst = cycles(dst, 6);//TODO: Check to make sure this is correct
107 9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	908 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	909 dst = mov_rr(dst, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D);
99 8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	910 } else {
107 9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	911 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D);
99 8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	912 }
107 9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	913 sec_reg = (inst->dst.params.regs.sec >> 1) & 0x7;
9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	914 if (inst->dst.params.regs.sec & 1) {
9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	915 if (inst->dst.params.regs.sec & 0x10) {
99 8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	916 if (opts->aregs[sec_reg] >= 0) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	917 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_D);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	918 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	919 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	920 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	921 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	922 if (opts->dregs[sec_reg] >= 0) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	923 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_D);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	924 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	925 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	926 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	927 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	928 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	929 if (src.base == SCRATCH1) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	930 dst = push_r(dst, SCRATCH1);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	931 }
107 9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	932 if (inst->dst.params.regs.sec & 0x10) {
99 8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	933 if (opts->aregs[sec_reg] >= 0) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	934 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_W, SZ_D);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	935 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	936 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	937 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	938 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	939 if (opts->dregs[sec_reg] >= 0) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	940 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_W, SZ_D);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	941 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	942 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	943 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	944 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	945 dst = add_rr(dst, SCRATCH1, SCRATCH2, SZ_D);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	946 if (src.base == SCRATCH1) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	947 dst = pop_r(dst, SCRATCH1);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	948 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	949 }
107 9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	950 if (inst->dst.params.regs.displacement) {
9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	951 dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D);
99 8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	952 }
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	953 if (src.mode == MODE_REG_DIRECT) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	954 if (src.base != SCRATCH1) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	955 dst = mov_rr(dst, src.base, SCRATCH1, inst->extra.size);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	956 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	957 } else if (src.mode == MODE_REG_DISPLACE8) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	958 dst = mov_rdisp8r(dst, src.base, src.disp, SCRATCH1, inst->extra.size);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	959 } else {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	960 dst = mov_ir(dst, src.disp, SCRATCH1, inst->extra.size);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	961 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	962 if (inst->dst.addr_mode != MODE_AREG) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	963 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	964 dst = setcc_r(dst, CC_Z, FLAG_Z);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	965 dst = setcc_r(dst, CC_S, FLAG_N);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	966 }
99 8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	967 switch (inst->extra.size)
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	968 {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	969 case OPSIZE_BYTE:
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	970 dst = call(dst, (char *)m68k_write_byte);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	971 break;
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	972 case OPSIZE_WORD:
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	973 dst = call(dst, (char *)m68k_write_word);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	974 break;
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	975 case OPSIZE_LONG:
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	976 dst = call(dst, (char *)m68k_write_long_highfirst);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	977 break;
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	978 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	979 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	980 case MODE_PC_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	981 dst = cycles(dst, BUS);
74 6396dc91f61e Fix some bugs in movem with a register list destination Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	982 dst = mov_ir(dst, inst->dst.params.regs.displacement + inst->address+2, SCRATCH2, SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	983 if (src.mode == MODE_REG_DIRECT) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	984 if (src.base != SCRATCH1) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	985 dst = mov_rr(dst, src.base, SCRATCH1, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	986 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	987 } else if (src.mode == MODE_REG_DISPLACE8) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	988 dst = mov_rdisp8r(dst, src.base, src.disp, SCRATCH1, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	989 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	990 dst = mov_ir(dst, src.disp, SCRATCH1, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	991 }
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	992 if (inst->dst.addr_mode != MODE_AREG) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	993 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	994 dst = setcc_r(dst, CC_Z, FLAG_Z);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	995 dst = setcc_r(dst, CC_S, FLAG_N);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	996 }
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	997 switch (inst->extra.size)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	998 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	999 case OPSIZE_BYTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1000 dst = call(dst, (char *)m68k_write_byte);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1001 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1002 case OPSIZE_WORD:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1003 dst = call(dst, (char *)m68k_write_word);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1004 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1005 case OPSIZE_LONG:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1006 dst = call(dst, (char *)m68k_write_long_highfirst);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1007 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1008 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1009 break;
196 f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1010 case MODE_PC_INDEX_DISP8:
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1011 dst = cycles(dst, 6);//TODO: Check to make sure this is correct
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1012 dst = mov_ir(dst, inst->address, SCRATCH2, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1013 sec_reg = (inst->dst.params.regs.sec >> 1) & 0x7;
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1014 if (inst->dst.params.regs.sec & 1) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1015 if (inst->dst.params.regs.sec & 0x10) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1016 if (opts->aregs[sec_reg] >= 0) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1017 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1018 } else {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1019 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1020 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1021 } else {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1022 if (opts->dregs[sec_reg] >= 0) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1023 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1024 } else {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1025 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1026 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1027 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1028 } else {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1029 if (src.base == SCRATCH1) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1030 dst = push_r(dst, SCRATCH1);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1031 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1032 if (inst->dst.params.regs.sec & 0x10) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1033 if (opts->aregs[sec_reg] >= 0) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1034 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_W, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1035 } else {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1036 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1037 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1038 } else {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1039 if (opts->dregs[sec_reg] >= 0) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1040 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_W, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1041 } else {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1042 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1043 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1044 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1045 dst = add_rr(dst, SCRATCH1, SCRATCH2, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1046 if (src.base == SCRATCH1) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1047 dst = pop_r(dst, SCRATCH1);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1048 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1049 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1050 if (inst->dst.params.regs.displacement) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1051 dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1052 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1053 if (src.mode == MODE_REG_DIRECT) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1054 if (src.base != SCRATCH1) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1055 dst = mov_rr(dst, src.base, SCRATCH1, inst->extra.size);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1056 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1057 } else if (src.mode == MODE_REG_DISPLACE8) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1058 dst = mov_rdisp8r(dst, src.base, src.disp, SCRATCH1, inst->extra.size);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1059 } else {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1060 dst = mov_ir(dst, src.disp, SCRATCH1, inst->extra.size);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1061 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1062 if (inst->dst.addr_mode != MODE_AREG) {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1063 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1064 dst = setcc_r(dst, CC_Z, FLAG_Z);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1065 dst = setcc_r(dst, CC_S, FLAG_N);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1066 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1067 switch (inst->extra.size)
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1068 {
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1069 case OPSIZE_BYTE:
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1070 dst = call(dst, (char *)m68k_write_byte);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1071 break;
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1072 case OPSIZE_WORD:
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1073 dst = call(dst, (char *)m68k_write_word);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1074 break;
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1075 case OPSIZE_LONG:
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1076 dst = call(dst, (char *)m68k_write_long_highfirst);
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1077 break;
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1078 }
f8955d33486d Implement pc indexed mode as move dst Mike Pavone <pavone@retrodev.com> parents: 194 diff changeset	1079 break;
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1080 case MODE_ABSOLUTE:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1081 case MODE_ABSOLUTE_SHORT:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1082 if (src.mode == MODE_REG_DIRECT) {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1083 if (src.base != SCRATCH1) {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1084 dst = mov_rr(dst, src.base, SCRATCH1, inst->extra.size);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1085 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1086 } else if (src.mode == MODE_REG_DISPLACE8) {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1087 dst = mov_rdisp8r(dst, src.base, src.disp, SCRATCH1, inst->extra.size);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1088 } else {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1089 dst = mov_ir(dst, src.disp, SCRATCH1, inst->extra.size);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1090 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1091 if (inst->dst.addr_mode == MODE_ABSOLUTE) {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1092 dst = cycles(dst, BUS*2);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1093 } else {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1094 dst = cycles(dst, BUS);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1095 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1096 dst = mov_ir(dst, inst->dst.params.immed, SCRATCH2, SZ_D);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	1097 if (inst->dst.addr_mode != MODE_AREG) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	1098 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	1099 dst = setcc_r(dst, CC_Z, FLAG_Z);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	1100 dst = setcc_r(dst, CC_S, FLAG_N);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	1101 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1102 switch (inst->extra.size)
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1103 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1104 case OPSIZE_BYTE:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1105 dst = call(dst, (char *)m68k_write_byte);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1106 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1107 case OPSIZE_WORD:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1108 dst = call(dst, (char *)m68k_write_word);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1109 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1110 case OPSIZE_LONG:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1111 dst = call(dst, (char *)m68k_write_long_highfirst);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1112 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1113 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	1114 break;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1115 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1116 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1117 printf("%X: %s\naddress mode %d not implemented (move dst)\n", inst->address, disasm_buf, inst->dst.addr_mode);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1118 exit(1);
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	1119 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1120
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1121 //add cycles for prefetch
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1122 dst = cycles(dst, BUS);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1123 return dst;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1124 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1125
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1126 uint8_t * translate_m68k_movem(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1127 {
161 6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1128 int8_t bit,reg,sec_reg;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1129 uint8_t early_cycles;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1130 if(inst->src.addr_mode == MODE_REG) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1131 //reg to mem
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1132 early_cycles = 8;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1133 int8_t dir;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1134 switch (inst->dst.addr_mode)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1135 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1136 case MODE_AREG_INDIRECT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1137 case MODE_AREG_PREDEC:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1138 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1139 dst = mov_rr(dst, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1140 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1141 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1142 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1143 break;
161 6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1144 case MODE_AREG_DISPLACE:
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1145 early_cycles += BUS;
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1146 reg = SCRATCH2;
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1147 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1148 dst = mov_rr(dst, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1149 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1150 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1151 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1152 dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1153 break;
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1154 case MODE_AREG_INDEX_DISP8:
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1155 early_cycles += 6;
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1156 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1157 dst = mov_rr(dst, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1158 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1159 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1160 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1161 sec_reg = (inst->dst.params.regs.sec >> 1) & 0x7;
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1162 if (inst->dst.params.regs.sec & 1) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1163 if (inst->dst.params.regs.sec & 0x10) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1164 if (opts->aregs[sec_reg] >= 0) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1165 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1166 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1167 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1168 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1169 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1170 if (opts->dregs[sec_reg] >= 0) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1171 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1172 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1173 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1174 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1175 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1176 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1177 if (inst->dst.params.regs.sec & 0x10) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1178 if (opts->aregs[sec_reg] >= 0) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1179 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_W, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1180 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1181 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1182 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1183 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1184 if (opts->dregs[sec_reg] >= 0) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1185 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_W, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1186 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1187 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1188 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1189 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1190 dst = add_rr(dst, SCRATCH1, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1191 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1192 if (inst->dst.params.regs.displacement) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1193 dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1194 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1195 break;
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1196 case MODE_PC_DISPLACE:
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1197 early_cycles += BUS;
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1198 dst = mov_ir(dst, inst->dst.params.regs.displacement + inst->address+2, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1199 break;
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1200 case MODE_PC_INDEX_DISP8:
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1201 early_cycles += 6;
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1202 dst = mov_ir(dst, inst->address+2, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1203 sec_reg = (inst->dst.params.regs.sec >> 1) & 0x7;
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1204 if (inst->dst.params.regs.sec & 1) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1205 if (inst->dst.params.regs.sec & 0x10) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1206 if (opts->aregs[sec_reg] >= 0) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1207 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1208 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1209 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1210 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1211 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1212 if (opts->dregs[sec_reg] >= 0) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1213 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1214 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1215 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1216 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1217 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1218 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1219 if (inst->dst.params.regs.sec & 0x10) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1220 if (opts->aregs[sec_reg] >= 0) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1221 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_W, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1222 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1223 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1224 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1225 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1226 if (opts->dregs[sec_reg] >= 0) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1227 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_W, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1228 } else {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1229 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1230 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1231 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1232 dst = add_rr(dst, SCRATCH1, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1233 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1234 if (inst->dst.params.regs.displacement) {
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1235 dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D);
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1236 }
6748022656b7 Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst Mike Pavone <pavone@retrodev.com> parents: 159 diff changeset	1237 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1238 case MODE_ABSOLUTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1239 early_cycles += 4;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1240 case MODE_ABSOLUTE_SHORT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1241 early_cycles += 4;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1242 dst = mov_ir(dst, inst->dst.params.immed, SCRATCH2, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1243 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1244 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1245 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1246 printf("%X: %s\naddress mode %d not implemented (movem dst)\n", inst->address, disasm_buf, inst->dst.addr_mode);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1247 exit(1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1248 }
210 4beaad3a9a50 Fix movem reg to mem for certain addressing modes Mike Pavone <pavone@retrodev.com> parents: 209 diff changeset	1249 if (inst->dst.addr_mode == MODE_AREG_PREDEC) {
4beaad3a9a50 Fix movem reg to mem for certain addressing modes Mike Pavone <pavone@retrodev.com> parents: 209 diff changeset	1250 reg = 15;
4beaad3a9a50 Fix movem reg to mem for certain addressing modes Mike Pavone <pavone@retrodev.com> parents: 209 diff changeset	1251 dir = -1;
4beaad3a9a50 Fix movem reg to mem for certain addressing modes Mike Pavone <pavone@retrodev.com> parents: 209 diff changeset	1252 } else {
4beaad3a9a50 Fix movem reg to mem for certain addressing modes Mike Pavone <pavone@retrodev.com> parents: 209 diff changeset	1253 reg = 0;
4beaad3a9a50 Fix movem reg to mem for certain addressing modes Mike Pavone <pavone@retrodev.com> parents: 209 diff changeset	1254 dir = 1;
4beaad3a9a50 Fix movem reg to mem for certain addressing modes Mike Pavone <pavone@retrodev.com> parents: 209 diff changeset	1255 }
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1256 dst = cycles(dst, early_cycles);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1257 for(bit=0; reg < 16 && reg >= 0; reg += dir, bit++) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1258 if (inst->src.params.immed & (1 << bit)) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1259 if (inst->dst.addr_mode == MODE_AREG_PREDEC) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1260 dst = sub_ir(dst, (inst->extra.size == OPSIZE_LONG) ? 4 : 2, SCRATCH2, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1261 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1262 dst = push_r(dst, SCRATCH2);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1263 if (reg > 7) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1264 if (opts->aregs[reg-8] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1265 dst = mov_rr(dst, opts->aregs[reg-8], SCRATCH1, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1266 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1267 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * (reg-8), SCRATCH1, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1268 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1269 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1270 if (opts->dregs[reg] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1271 dst = mov_rr(dst, opts->dregs[reg], SCRATCH1, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1272 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1273 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t) * (reg), SCRATCH1, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1274 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1275 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1276 if (inst->extra.size == OPSIZE_LONG) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1277 dst = call(dst, (uint8_t *)m68k_write_long_lowfirst);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1278 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1279 dst = call(dst, (uint8_t *)m68k_write_word);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1280 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1281 dst = pop_r(dst, SCRATCH2);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1282 if (inst->dst.addr_mode != MODE_AREG_PREDEC) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1283 dst = add_ir(dst, (inst->extra.size == OPSIZE_LONG) ? 4 : 2, SCRATCH2, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1284 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1285 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1286 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1287 if (inst->dst.addr_mode == MODE_AREG_PREDEC) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1288 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1289 dst = mov_rr(dst, SCRATCH2, opts->aregs[inst->dst.params.regs.pri], SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1290 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1291 dst = mov_rrdisp8(dst, SCRATCH2, CONTEXT, reg_offset(&(inst->dst)), SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1292 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1293 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1294 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1295 //mem to reg
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1296 early_cycles = 4;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1297 switch (inst->src.addr_mode)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1298 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1299 case MODE_AREG_INDIRECT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1300 case MODE_AREG_POSTINC:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1301 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1302 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1303 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1304 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1305 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1306 break;
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1307 case MODE_AREG_DISPLACE:
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1308 early_cycles += BUS;
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1309 reg = SCRATCH2;
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1310 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1311 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1312 } else {
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1313 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1314 }
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1315 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1316 break;
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1317 case MODE_AREG_INDEX_DISP8:
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1318 early_cycles += 6;
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1319 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1320 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1321 } else {
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1322 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1323 }
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1324 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1325 if (inst->src.params.regs.sec & 1) {
c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1326 if (inst->src.params.regs.sec & 0x10) {
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1327 if (opts->aregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1328 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1329 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1330 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1331 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1332 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1333 if (opts->dregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1334 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1335 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1336 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1337 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1338 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1339 } else {
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1340 if (inst->src.params.regs.sec & 0x10) {
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1341 if (opts->aregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1342 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1343 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1344 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1345 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1346 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1347 if (opts->dregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1348 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1349 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1350 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1351 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1352 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1353 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1354 }
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1355 if (inst->src.params.regs.displacement) {
c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1356 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1357 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1358 break;
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1359 case MODE_PC_DISPLACE:
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1360 early_cycles += BUS;
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1361 dst = mov_ir(dst, inst->src.params.regs.displacement + inst->address+2, SCRATCH1, SZ_D);
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1362 break;
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1363 case MODE_PC_INDEX_DISP8:
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1364 early_cycles += 6;
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1365 dst = mov_ir(dst, inst->address+2, SCRATCH1, SZ_D);
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1366 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1367 if (inst->src.params.regs.sec & 1) {
c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1368 if (inst->src.params.regs.sec & 0x10) {
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1369 if (opts->aregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1370 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1371 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1372 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1373 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1374 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1375 if (opts->dregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1376 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1377 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1378 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1379 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1380 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1381 } else {
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1382 if (inst->src.params.regs.sec & 0x10) {
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1383 if (opts->aregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1384 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1385 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1386 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1387 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1388 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1389 if (opts->dregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1390 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1391 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1392 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1393 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1394 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1395 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1396 }
169 c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1397 if (inst->src.params.regs.displacement) {
c07713463c91 Fix a bunch of addressing modes in movem when a register list is the destination Mike Pavone <pavone@retrodev.com> parents: 168 diff changeset	1398 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1399 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1400 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1401 case MODE_ABSOLUTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1402 early_cycles += 4;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1403 case MODE_ABSOLUTE_SHORT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1404 early_cycles += 4;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1405 dst = mov_ir(dst, inst->src.params.immed, SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1406 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1407 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1408 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1409 printf("%X: %s\naddress mode %d not implemented (movem src)\n", inst->address, disasm_buf, inst->src.addr_mode);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1410 exit(1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1411 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1412 dst = cycles(dst, early_cycles);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1413 for(reg = 0; reg < 16; reg ++) {
74 6396dc91f61e Fix some bugs in movem with a register list destination Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	1414 if (inst->dst.params.immed & (1 << reg)) {
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1415 dst = push_r(dst, SCRATCH1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1416 if (inst->extra.size == OPSIZE_LONG) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1417 dst = call(dst, (uint8_t *)m68k_read_long_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1418 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1419 dst = call(dst, (uint8_t *)m68k_read_word_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1420 }
188 062e3aa549eb Fix movem.w when dest is register list Mike Pavone <pavone@retrodev.com> parents: 187 diff changeset	1421 if (inst->extra.size == OPSIZE_WORD) {
062e3aa549eb Fix movem.w when dest is register list Mike Pavone <pavone@retrodev.com> parents: 187 diff changeset	1422 dst = movsx_rr(dst, SCRATCH1, SCRATCH1, SZ_W, SZ_D);
062e3aa549eb Fix movem.w when dest is register list Mike Pavone <pavone@retrodev.com> parents: 187 diff changeset	1423 }
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1424 if (reg > 7) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1425 if (opts->aregs[reg-8] >= 0) {
188 062e3aa549eb Fix movem.w when dest is register list Mike Pavone <pavone@retrodev.com> parents: 187 diff changeset	1426 dst = mov_rr(dst, SCRATCH1, opts->aregs[reg-8], SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1427 } else {
188 062e3aa549eb Fix movem.w when dest is register list Mike Pavone <pavone@retrodev.com> parents: 187 diff changeset	1428 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * (reg-8), SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1429 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1430 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1431 if (opts->dregs[reg] >= 0) {
188 062e3aa549eb Fix movem.w when dest is register list Mike Pavone <pavone@retrodev.com> parents: 187 diff changeset	1432 dst = mov_rr(dst, SCRATCH1, opts->dregs[reg], SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1433 } else {
188 062e3aa549eb Fix movem.w when dest is register list Mike Pavone <pavone@retrodev.com> parents: 187 diff changeset	1434 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t) * (reg), SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1435 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1436 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1437 dst = pop_r(dst, SCRATCH1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1438 dst = add_ir(dst, (inst->extra.size == OPSIZE_LONG) ? 4 : 2, SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1439 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1440 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1441 if (inst->src.addr_mode == MODE_AREG_POSTINC) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1442 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
74 6396dc91f61e Fix some bugs in movem with a register list destination Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	1443 dst = mov_rr(dst, SCRATCH1, opts->aregs[inst->src.params.regs.pri], SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1444 } else {
74 6396dc91f61e Fix some bugs in movem with a register list destination Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	1445 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, reg_offset(&(inst->src)), SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1446 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1447 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1448 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1449 //prefetch
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1450 dst = cycles(dst, 4);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1451 return dst;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1452 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1453
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1454 uint8_t * translate_m68k_clr(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1455 {
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1456 dst = mov_ir(dst, 0, FLAG_N, SZ_B);
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1457 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1458 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1459 dst = mov_ir(dst, 1, FLAG_Z, SZ_B);
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1460 int8_t reg = native_reg(&(inst->dst), opts);
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1461 if (reg >= 0) {
64 2b1a65f4b85d Cleanup 68K timing code. Temporarily omment out fFPS counter as it was causing segfaults Mike Pavone <pavone@retrodev.com> parents: 61 diff changeset	1462 dst = cycles(dst, (inst->extra.size == OPSIZE_LONG ? 6 : 4));
2b1a65f4b85d Cleanup 68K timing code. Temporarily omment out fFPS counter as it was causing segfaults Mike Pavone <pavone@retrodev.com> parents: 61 diff changeset	1463 return xor_rr(dst, reg, reg, inst->extra.size);
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1464 }
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1465 x86_ea dst_op;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1466 dst = translate_m68k_dst(inst, &dst_op, dst, opts, 1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1467 if (dst_op.mode == MODE_REG_DIRECT) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1468 dst = xor_rr(dst, dst_op.base, dst_op.base, inst->extra.size);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1469 } else {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1470 dst = mov_irdisp8(dst, 0, dst_op.base, dst_op.disp, inst->extra.size);
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1471 }
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1472 dst = m68k_save_result(inst, dst, opts);
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1473 return dst;
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1474 }
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1475
93 f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1476 uint8_t * translate_m68k_ext(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1477 {
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1478 x86_ea dst_op;
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1479 uint8_t dst_size = inst->extra.size;
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1480 inst->extra.size--;
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1481 dst = translate_m68k_dst(inst, &dst_op, dst, opts, 0);
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1482 if (dst_op.mode == MODE_REG_DIRECT) {
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1483 dst = movsx_rr(dst, dst_op.base, dst_op.base, inst->extra.size, dst_size);
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1484 dst = cmp_ir(dst, 0, dst_op.base, dst_size);
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1485 } else {
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1486 dst = movsx_rdisp8r(dst, dst_op.base, dst_op.disp, SCRATCH1, inst->extra.size, dst_size);
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1487 dst = cmp_ir(dst, 0, SCRATCH1, dst_size);
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1488 dst = mov_rrdisp8(dst, SCRATCH1, dst_op.base, dst_op.disp, dst_size);
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1489 }
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1490 inst->extra.size = dst_size;
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1491 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1492 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1493 dst = setcc_r(dst, CC_Z, FLAG_Z);
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1494 dst = setcc_r(dst, CC_S, FLAG_N);
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1495 //M68K EXT only operates on registers so no need for a call to save result here
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1496 return dst;
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1497 }
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1498
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1499 uint8_t * translate_m68k_lea(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1500 {
100 45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1501 int8_t dst_reg = native_reg(&(inst->dst), opts), sec_reg;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1502 switch(inst->src.addr_mode)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1503 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1504 case MODE_AREG_INDIRECT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1505 dst = cycles(dst, BUS);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1506 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1507 if (dst_reg >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1508 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], dst_reg, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1509 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1510 dst = mov_rrdisp8(dst, opts->aregs[inst->src.params.regs.pri], CONTEXT, offsetof(m68k_context, aregs) + 4 * inst->dst.params.regs.pri, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1511 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1512 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1513 if (dst_reg >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1514 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + 4 * inst->src.params.regs.pri, dst_reg, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1515 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1516 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + 4 * inst->src.params.regs.pri, SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1517 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, offsetof(m68k_context, aregs) + 4 * inst->dst.params.regs.pri, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1518 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1519 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1520 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1521 case MODE_AREG_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1522 dst = cycles(dst, 8);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1523 if (dst_reg >= 0) {
168 7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1524 if (inst->src.params.regs.pri != inst->dst.params.regs.pri) {
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1525 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1526 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], dst_reg, SZ_D);
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1527 } else {
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1528 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), dst_reg, SZ_D);
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1529 }
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1530 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1531 dst = add_ir(dst, inst->src.params.regs.displacement, dst_reg, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1532 } else {
168 7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1533 if (inst->src.params.regs.pri != inst->dst.params.regs.pri) {
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1534 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1535 dst = mov_rrdisp8(dst, opts->aregs[inst->src.params.regs.pri], CONTEXT, reg_offset(&(inst->dst)), SZ_D);
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1536 } else {
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1537 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1538 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, reg_offset(&(inst->dst)), SZ_D);
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1539 }
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1540 }
165 62b152811bae Fix certain address modes with lea when the destination is not a native register Mike Pavone <pavone@retrodev.com> parents: 162 diff changeset	1541 dst = add_irdisp8(dst, inst->src.params.regs.displacement, CONTEXT, reg_offset(&(inst->dst)), SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1542 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1543 break;
100 45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1544 case MODE_AREG_INDEX_DISP8:
168 7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1545 dst = cycles(dst, 12);
100 45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1546 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1547 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH2, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1548 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1549 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH2, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1550 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1551 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1552 if (inst->src.params.regs.sec & 1) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1553 if (inst->src.params.regs.sec & 0x10) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1554 if (opts->aregs[sec_reg] >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1555 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1556 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1557 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1558 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1559 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1560 if (opts->dregs[sec_reg] >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1561 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1562 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1563 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1564 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1565 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1566 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1567 if (inst->src.params.regs.sec & 0x10) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1568 if (opts->aregs[sec_reg] >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1569 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_W, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1570 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1571 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1572 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1573 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1574 if (opts->dregs[sec_reg] >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1575 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_W, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1576 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1577 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1578 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1579 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1580 dst = add_rr(dst, SCRATCH1, SCRATCH2, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1581 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1582 if (inst->src.params.regs.displacement) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1583 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH2, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1584 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1585 if (dst_reg >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1586 dst = mov_rr(dst, SCRATCH2, dst_reg, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1587 } else {
165 62b152811bae Fix certain address modes with lea when the destination is not a native register Mike Pavone <pavone@retrodev.com> parents: 162 diff changeset	1588 dst = mov_rrdisp8(dst, SCRATCH2, CONTEXT, reg_offset(&(inst->dst)), SZ_D);
100 45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1589 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1590 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1591 case MODE_PC_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1592 dst = cycles(dst, 8);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1593 if (dst_reg >= 0) {
74 6396dc91f61e Fix some bugs in movem with a register list destination Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	1594 dst = mov_ir(dst, inst->src.params.regs.displacement + inst->address+2, dst_reg, SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1595 } else {
74 6396dc91f61e Fix some bugs in movem with a register list destination Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	1596 dst = mov_irdisp8(dst, inst->src.params.regs.displacement + inst->address+2, CONTEXT, offsetof(m68k_context, aregs) + 4 * inst->dst.params.regs.pri, SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1597 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1598 break;
133 c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1599 case MODE_PC_INDEX_DISP8:
168 7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1600 dst = cycles(dst, BUS*3);
133 c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1601 dst = mov_ir(dst, inst->address+2, SCRATCH1, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1602 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1603 if (inst->src.params.regs.sec & 1) {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1604 if (inst->src.params.regs.sec & 0x10) {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1605 if (opts->aregs[sec_reg] >= 0) {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1606 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1607 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1608 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1609 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1610 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1611 if (opts->dregs[sec_reg] >= 0) {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1612 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1613 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1614 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1615 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1616 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1617 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1618 if (inst->src.params.regs.sec & 0x10) {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1619 if (opts->aregs[sec_reg] >= 0) {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1620 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1621 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1622 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1623 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1624 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1625 if (opts->dregs[sec_reg] >= 0) {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1626 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1627 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1628 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1629 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1630 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1631 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1632 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1633 if (inst->src.params.regs.displacement) {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1634 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1635 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1636 if (dst_reg >= 0) {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1637 dst = mov_rr(dst, SCRATCH1, dst_reg, SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1638 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1639 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, reg_offset(&(inst->dst)), SZ_D);
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1640 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1641 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1642 case MODE_ABSOLUTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1643 case MODE_ABSOLUTE_SHORT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1644 dst = cycles(dst, (inst->src.addr_mode == MODE_ABSOLUTE) ? BUS * 3 : BUS * 2);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1645 if (dst_reg >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1646 dst = mov_ir(dst, inst->src.params.immed, dst_reg, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1647 } else {
133 c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1648 dst = mov_irdisp8(dst, inst->src.params.immed, CONTEXT, reg_offset(&(inst->dst)), SZ_D);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1649 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1650 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1651 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1652 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1653 printf("%X: %s\naddress mode %d not implemented (lea src)\n", inst->address, disasm_buf, inst->src.addr_mode);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1654 exit(1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1655 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1656 return dst;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1657 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1658
116 9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1659 uint8_t * translate_m68k_pea(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1660 {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1661 uint8_t sec_reg;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1662 switch(inst->src.addr_mode)
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1663 {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1664 case MODE_AREG_INDIRECT:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1665 dst = cycles(dst, BUS);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1666 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1667 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1668 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1669 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + 4 * inst->src.params.regs.pri, SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1670 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1671 break;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1672 case MODE_AREG_DISPLACE:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1673 dst = cycles(dst, 8);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1674 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1675 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1676 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1677 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1678 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1679 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1680 break;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1681 case MODE_AREG_INDEX_DISP8:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1682 dst = cycles(dst, 6);//TODO: Check to make sure this is correct
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1683 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1684 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1685 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1686 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1687 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1688 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1689 if (inst->src.params.regs.sec & 1) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1690 if (inst->src.params.regs.sec & 0x10) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1691 if (opts->aregs[sec_reg] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1692 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1693 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1694 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1695 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1696 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1697 if (opts->dregs[sec_reg] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1698 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1699 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1700 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1701 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1702 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1703 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1704 if (inst->src.params.regs.sec & 0x10) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1705 if (opts->aregs[sec_reg] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1706 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1707 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1708 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1709 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1710 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1711 if (opts->dregs[sec_reg] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1712 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1713 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1714 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1715 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1716 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1717 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1718 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1719 if (inst->src.params.regs.displacement) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1720 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1721 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1722 break;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1723 case MODE_PC_DISPLACE:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1724 dst = cycles(dst, 8);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1725 dst = mov_ir(dst, inst->src.params.regs.displacement + inst->address+2, SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1726 break;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1727 case MODE_ABSOLUTE:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1728 case MODE_ABSOLUTE_SHORT:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1729 dst = cycles(dst, (inst->src.addr_mode == MODE_ABSOLUTE) ? BUS * 3 : BUS * 2);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1730 dst = mov_ir(dst, inst->src.params.immed, SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1731 break;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1732 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1733 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1734 printf("%X: %s\naddress mode %d not implemented (lea src)\n", inst->address, disasm_buf, inst->src.addr_mode);
116 9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1735 exit(1);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1736 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1737 dst = sub_ir(dst, 4, opts->aregs[7], SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1738 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1739 dst = call(dst, (uint8_t *)m68k_write_long_lowfirst);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1740 return dst;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1741 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1742
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1743 uint8_t * translate_m68k_bsr(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1744 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1745 int32_t disp = inst->src.params.immed;
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1746 uint32_t after = inst->address + (inst->variant == VAR_BYTE ? 2 : 4);
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1747 //TODO: Add cycles in the right place relative to pushing the return address on the stack
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1748 dst = cycles(dst, 10);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1749 dst = mov_ir(dst, after, SCRATCH1, SZ_D);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1750 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1751 dst = push_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1752 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1753 dst = sub_ir(dst, 4, opts->aregs[7], SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1754 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1755 dst = call(dst, (char *)m68k_write_long_highfirst);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1756 uint8_t * dest_addr = get_native_address(opts->native_code_map, (inst->address+2) + disp);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1757 if (!dest_addr) {
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1758 opts->deferred = defer_address(opts->deferred, (inst->address+2) + disp, dst + 1);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1759 //dummy address to be replaced later
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1760 dest_addr = dst + 256;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1761 }
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1762 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1763 dst = call(dst, (char *)dest_addr);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1764 //would add_ir(dst, 8, RSP, SZ_Q) be faster here?
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1765 dst = pop_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1766 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1767 dst = jmp(dst, (char *)dest_addr);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1768 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1769 return dst;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1770 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1771
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1772 uint8_t * translate_m68k_bcc(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1773 {
156 3900cfde9dbb Add cycles for Bcc (needs work, but this changes keeps some ROMs from making the emulator unresponsive) Mike Pavone <pavone@retrodev.com> parents: 155 diff changeset	1774 dst = cycles(dst, 10);//TODO: Adjust this for branch not taken case
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1775 int32_t disp = inst->src.params.immed;
46 f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	1776 uint32_t after = inst->address + 2;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1777 uint8_t * dest_addr = get_native_address(opts->native_code_map, after + disp);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1778 if (inst->extra.cond == COND_TRUE) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1779 if (!dest_addr) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1780 opts->deferred = defer_address(opts->deferred, after + disp, dst + 1);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1781 //dummy address to be replaced later, make sure it generates a 4-byte displacement
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1782 dest_addr = dst + 256;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1783 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1784 dst = jmp(dst, dest_addr);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1785 } else {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1786 uint8_t cond = CC_NZ;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1787 switch (inst->extra.cond)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1788 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1789 case COND_HIGH:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1790 cond = CC_Z;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1791 case COND_LOW_SAME:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1792 dst = mov_rr(dst, FLAG_Z, SCRATCH1, SZ_B);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1793 dst = or_rr(dst, FLAG_C, SCRATCH1, SZ_B);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1794 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1795 case COND_CARRY_CLR:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1796 cond = CC_Z;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1797 case COND_CARRY_SET:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1798 dst = cmp_ir(dst, 0, FLAG_C, SZ_B);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1799 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1800 case COND_NOT_EQ:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1801 cond = CC_Z;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1802 case COND_EQ:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1803 dst = cmp_ir(dst, 0, FLAG_Z, SZ_B);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1804 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1805 case COND_OVERF_CLR:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1806 cond = CC_Z;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1807 case COND_OVERF_SET:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1808 dst = cmp_ir(dst, 0, FLAG_V, SZ_B);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1809 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1810 case COND_PLUS:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1811 cond = CC_Z;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1812 case COND_MINUS:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1813 dst = cmp_ir(dst, 0, FLAG_N, SZ_B);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1814 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1815 case COND_GREATER_EQ:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1816 cond = CC_Z;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1817 case COND_LESS:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1818 dst = cmp_rr(dst, FLAG_N, FLAG_V, SZ_B);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1819 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1820 case COND_GREATER:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1821 cond = CC_Z;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1822 case COND_LESS_EQ:
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1823 dst = mov_rr(dst, FLAG_V, SCRATCH1, SZ_B);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1824 dst = xor_rr(dst, FLAG_N, SCRATCH1, SZ_B);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1825 dst = or_rr(dst, FLAG_Z, SCRATCH1, SZ_B);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1826 break;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1827 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1828 if (!dest_addr) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1829 opts->deferred = defer_address(opts->deferred, after + disp, dst + 2);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1830 //dummy address to be replaced later, make sure it generates a 4-byte displacement
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1831 dest_addr = dst + 256;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1832 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1833 dst = jcc(dst, cond, dest_addr);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1834 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1835 return dst;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1836 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1837
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1838 uint8_t * translate_m68k_scc(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1839 {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1840 uint8_t cond = inst->extra.cond;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1841 x86_ea dst_op;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1842 inst->extra.size = OPSIZE_BYTE;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1843 dst = translate_m68k_dst(inst, &dst_op, dst, opts, 1);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1844 if (cond == COND_TRUE \|\| cond == COND_FALSE) {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1845 if ((inst->dst.addr_mode == MODE_REG \|\| inst->dst.addr_mode == MODE_AREG) && inst->extra.cond == COND_TRUE) {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1846 dst = cycles(dst, 6);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1847 } else {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1848 dst = cycles(dst, BUS);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1849 }
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1850 if (dst_op.mode == MODE_REG_DIRECT) {
179 68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1851 dst = mov_ir(dst, cond == COND_TRUE ? 0xFF : 0, dst_op.base, SZ_B);
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1852 } else {
179 68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1853 dst = mov_irdisp8(dst, cond == COND_TRUE ? 0xFF : 0, dst_op.base, dst_op.disp, SZ_B);
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1854 }
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1855 } else {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1856 uint8_t cc = CC_NZ;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1857 switch (cond)
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1858 {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1859 case COND_HIGH:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1860 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1861 case COND_LOW_SAME:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1862 dst = mov_rr(dst, FLAG_Z, SCRATCH1, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1863 dst = or_rr(dst, FLAG_C, SCRATCH1, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1864 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1865 case COND_CARRY_CLR:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1866 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1867 case COND_CARRY_SET:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1868 dst = cmp_ir(dst, 0, FLAG_C, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1869 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1870 case COND_NOT_EQ:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1871 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1872 case COND_EQ:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1873 dst = cmp_ir(dst, 0, FLAG_Z, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1874 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1875 case COND_OVERF_CLR:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1876 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1877 case COND_OVERF_SET:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1878 dst = cmp_ir(dst, 0, FLAG_V, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1879 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1880 case COND_PLUS:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1881 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1882 case COND_MINUS:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1883 dst = cmp_ir(dst, 0, FLAG_N, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1884 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1885 case COND_GREATER_EQ:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1886 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1887 case COND_LESS:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1888 dst = cmp_rr(dst, FLAG_N, FLAG_V, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1889 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1890 case COND_GREATER:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1891 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1892 case COND_LESS_EQ:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1893 dst = mov_rr(dst, FLAG_V, SCRATCH1, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1894 dst = xor_rr(dst, FLAG_N, SCRATCH1, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1895 dst = or_rr(dst, FLAG_Z, SCRATCH1, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1896 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1897 }
179 68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1898 uint8_t *true_off = dst + 1;
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1899 dst = jcc(dst, cc, dst+2);
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1900 dst = cycles(dst, BUS);
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1901 if (dst_op.mode == MODE_REG_DIRECT) {
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1902 dst = mov_ir(dst, 0, dst_op.base, SZ_B);
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1903 } else {
179 68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1904 dst = mov_irdisp8(dst, 0, dst_op.base, dst_op.disp, SZ_B);
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1905 }
179 68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1906 uint8_t *end_off = dst+1;
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1907 dst = jmp(dst, dst+2);
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1908 *true_off = dst - (true_off+1);
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1909 dst = cycles(dst, 6);
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1910 if (dst_op.mode == MODE_REG_DIRECT) {
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1911 dst = mov_ir(dst, 0xFF, dst_op.base, SZ_B);
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1912 } else {
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1913 dst = mov_irdisp8(dst, 0xFF, dst_op.base, dst_op.disp, SZ_B);
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1914 }
68af8a56ab7a Fix scc to set reg to 0xFF rather than 1 when the condition is true Mike Pavone <pavone@retrodev.com> parents: 178 diff changeset	1915 *end_off = dst - (end_off+1);
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1916 }
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1917 dst = m68k_save_result(inst, dst, opts);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1918 return dst;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1919 }
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1920
53 44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	1921 uint8_t * translate_m68k_jmp(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	1922 {
132 0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1923 uint8_t * dest_addr, sec_reg;
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1924 uint32_t m68k_addr;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1925 switch(inst->src.addr_mode)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1926 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1927 case MODE_AREG_INDIRECT:
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1928 dst = cycles(dst, BUS*2);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1929 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1930 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1931 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1932 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + 4 * inst->src.params.regs.pri, SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1933 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1934 dst = call(dst, (uint8_t *)m68k_native_addr);
81 6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	1935 dst = jmp_r(dst, SCRATCH1);
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1936 break;
132 0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1937 case MODE_AREG_INDEX_DISP8:
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1938 dst = cycles(dst, BUS*3);//TODO: CHeck that this is correct
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1939 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1940 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1941 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1942 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1943 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1944 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1945 if (inst->src.params.regs.sec & 1) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1946 if (inst->src.params.regs.sec & 0x10) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1947 if (opts->aregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1948 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1949 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1950 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1951 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1952 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1953 if (opts->dregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1954 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1955 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1956 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1957 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1958 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1959 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1960 if (inst->src.params.regs.sec & 0x10) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1961 if (opts->aregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1962 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1963 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1964 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1965 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1966 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1967 if (opts->dregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1968 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1969 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1970 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1971 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1972 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1973 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1974 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1975 if (inst->src.params.regs.displacement) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1976 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1977 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1978 dst = call(dst, (uint8_t *)m68k_native_addr);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1979 dst = jmp_r(dst, SCRATCH1);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1980 break;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1981 case MODE_PC_DISPLACE:
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1982 dst = cycles(dst, 10);
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1983 m68k_addr = inst->src.params.regs.displacement + inst->address + 2;
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1984 if ((m68k_addr & 0xFFFFFF) < 0x400000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1985 dest_addr = get_native_address(opts->native_code_map, m68k_addr);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1986 if (!dest_addr) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1987 opts->deferred = defer_address(opts->deferred, m68k_addr, dst + 1);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1988 //dummy address to be replaced later, make sure it generates a 4-byte displacement
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1989 dest_addr = dst + 256;
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1990 }
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1991 dst = jmp(dst, dest_addr);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1992 } else {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1993 dst = mov_ir(dst, m68k_addr, SCRATCH1, SZ_D);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1994 dst = call(dst, (uint8_t *)m68k_native_addr);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1995 dst = jmp_r(dst, SCRATCH1);
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1996 }
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1997 break;
132 0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1998 case MODE_PC_INDEX_DISP8:
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1999 dst = cycles(dst, BUS*3);//TODO: CHeck that this is correct
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2000 dst = mov_ir(dst, inst->address+2, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2001 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2002 if (inst->src.params.regs.sec & 1) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2003 if (inst->src.params.regs.sec & 0x10) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2004 if (opts->aregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2005 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2006 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2007 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2008 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2009 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2010 if (opts->dregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2011 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2012 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2013 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2014 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2015 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2016 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2017 if (inst->src.params.regs.sec & 0x10) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2018 if (opts->aregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2019 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2020 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2021 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2022 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2023 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2024 if (opts->dregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2025 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2026 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2027 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2028 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2029 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2030 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2031 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2032 if (inst->src.params.regs.displacement) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2033 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2034 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2035 dst = call(dst, (uint8_t *)m68k_native_addr);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2036 dst = jmp_r(dst, SCRATCH1);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	2037 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2038 case MODE_ABSOLUTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2039 case MODE_ABSOLUTE_SHORT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2040 dst = cycles(dst, inst->src.addr_mode == MODE_ABSOLUTE ? 12 : 10);
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2041 m68k_addr = inst->src.params.immed;
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2042 if ((m68k_addr & 0xFFFFFF) < 0x400000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2043 dest_addr = get_native_address(opts->native_code_map, m68k_addr);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2044 if (!dest_addr) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2045 opts->deferred = defer_address(opts->deferred, m68k_addr, dst + 1);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2046 //dummy address to be replaced later, make sure it generates a 4-byte displacement
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2047 dest_addr = dst + 256;
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2048 }
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2049 dst = jmp(dst, dest_addr);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2050 } else {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2051 dst = mov_ir(dst, m68k_addr, SCRATCH1, SZ_D);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2052 dst = call(dst, (uint8_t *)m68k_native_addr);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2053 dst = jmp_r(dst, SCRATCH1);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2054 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2055 break;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2056 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2057 m68k_disasm(inst, disasm_buf);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2058 printf("%s\naddress mode %d not yet supported (jmp)\n", disasm_buf, inst->src.addr_mode);
104 a0fdaa134964 Use unsigned comparisons for address decoding, exit when we hit an unhandled addressing mode for jmp Mike Pavone <pavone@retrodev.com> parents: 102 diff changeset	2059 exit(1);
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2060 }
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2061 return dst;
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2062 }
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2063
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2064 uint8_t * translate_m68k_jsr(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2065 {
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2066 uint8_t * dest_addr, sec_reg;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2067 uint32_t after;
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2068 uint32_t m68k_addr;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2069 switch(inst->src.addr_mode)
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2070 {
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2071 case MODE_AREG_INDIRECT:
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2072 dst = cycles(dst, BUS*2);
119 ee19ddadb398 Fix return address pushed to stack for jsr Mike Pavone <pavone@retrodev.com> parents: 118 diff changeset	2073 dst = mov_ir(dst, inst->address + 2, SCRATCH1, SZ_D);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2074 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2075 dst = push_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2076 }
81 6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	2077 dst = sub_ir(dst, 4, opts->aregs[7], SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	2078 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
6d231dbe75ab Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode Mike Pavone <pavone@retrodev.com> parents: 78 diff changeset	2079 dst = call(dst, (char *)m68k_write_long_highfirst);
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2080 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2081 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2082 } else {
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2083 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + 4 * inst->src.params.regs.pri, SCRATCH1, SZ_D);
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2084 }
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2085 dst = call(dst, (uint8_t *)m68k_native_addr);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2086 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2087 dst = call_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2088 //would add_ir(dst, 8, RSP, SZ_Q) be faster here?
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2089 dst = pop_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2090 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2091 dst = jmp_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2092 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2093 break;
174 a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2094 case MODE_AREG_DISPLACE:
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2095 dst = cycles(dst, BUS*2);
187 8e138da572ab Fix return address for areg displacement mode JSR Mike Pavone <pavone@retrodev.com> parents: 184 diff changeset	2096 dst = mov_ir(dst, inst->address + 4, SCRATCH1, SZ_D);
174 a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2097 if (opts->flags & OPT_NATIVE_CALL_STACK) {
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2098 dst = push_r(dst, SCRATCH1);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2099 }
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2100 dst = sub_ir(dst, 4, opts->aregs[7], SZ_D);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2101 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2102 dst = call(dst, (char *)m68k_write_long_highfirst);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2103 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2104 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2105 } else {
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2106 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + 4 * inst->src.params.regs.pri, SCRATCH1, SZ_D);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2107 }
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2108 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2109 dst = call(dst, (uint8_t *)m68k_native_addr);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2110 if (opts->flags & OPT_NATIVE_CALL_STACK) {
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2111 dst = call_r(dst, SCRATCH1);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2112 //would add_ir(dst, 8, RSP, SZ_Q) be faster here?
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2113 dst = pop_r(dst, SCRATCH1);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2114 } else {
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2115 dst = jmp_r(dst, SCRATCH1);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2116 }
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	2117 break;
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2118 case MODE_AREG_INDEX_DISP8:
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2119 dst = cycles(dst, BUS*3);//TODO: CHeck that this is correct
119 ee19ddadb398 Fix return address pushed to stack for jsr Mike Pavone <pavone@retrodev.com> parents: 118 diff changeset	2120 dst = mov_ir(dst, inst->address + 4, SCRATCH1, SZ_D);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2121 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2122 dst = push_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2123 }
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2124 dst = sub_ir(dst, 4, opts->aregs[7], SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2125 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2126 dst = call(dst, (char *)m68k_write_long_highfirst);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2127 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2128 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2129 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2130 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2131 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2132 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2133 if (inst->src.params.regs.sec & 1) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2134 if (inst->src.params.regs.sec & 0x10) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2135 if (opts->aregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2136 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2137 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2138 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2139 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2140 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2141 if (opts->dregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2142 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2143 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2144 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2145 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2146 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2147 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2148 if (inst->src.params.regs.sec & 0x10) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2149 if (opts->aregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2150 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2151 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2152 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2153 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2154 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2155 if (opts->dregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2156 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2157 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2158 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2159 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2160 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2161 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2162 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2163 if (inst->src.params.regs.displacement) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2164 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2165 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2166 dst = call(dst, (uint8_t *)m68k_native_addr);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2167 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2168 dst = call_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2169 //would add_ir(dst, 8, RSP, SZ_Q) be faster here?
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2170 dst = pop_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2171 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2172 dst = jmp_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2173 }
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2174 break;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2175 case MODE_PC_DISPLACE:
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2176 //TODO: Add cycles in the right place relative to pushing the return address on the stack
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2177 dst = cycles(dst, 10);
119 ee19ddadb398 Fix return address pushed to stack for jsr Mike Pavone <pavone@retrodev.com> parents: 118 diff changeset	2178 dst = mov_ir(dst, inst->address + 4, SCRATCH1, SZ_D);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2179 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2180 dst = push_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2181 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2182 dst = sub_ir(dst, 4, opts->aregs[7], SZ_D);
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2183 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2184 dst = call(dst, (char *)m68k_write_long_highfirst);
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2185 m68k_addr = inst->src.params.regs.displacement + inst->address + 2;
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2186 if ((m68k_addr & 0xFFFFFF) < 0x400000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2187 dest_addr = get_native_address(opts->native_code_map, m68k_addr);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2188 if (!dest_addr) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2189 opts->deferred = defer_address(opts->deferred, m68k_addr, dst + 1);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2190 //dummy address to be replaced later, make sure it generates a 4-byte displacement
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2191 dest_addr = dst + 256;
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2192 }
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2193 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2194 dst = call(dst, (char *)dest_addr);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2195 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2196 dst = jmp(dst, dest_addr);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2197 }
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2198 } else {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2199 dst = mov_ir(dst, m68k_addr, SCRATCH1, SZ_D);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2200 dst = call(dst, (uint8_t *)m68k_native_addr);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2201 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2202 dst = call_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2203 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2204 dst = jmp_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2205 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2206 }
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2207 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2208 //would add_ir(dst, 8, RSP, SZ_Q) be faster here?
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2209 dst = pop_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2210 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2211 break;
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2212 case MODE_PC_INDEX_DISP8:
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2213 dst = cycles(dst, BUS*3);//TODO: CHeck that this is correct
119 ee19ddadb398 Fix return address pushed to stack for jsr Mike Pavone <pavone@retrodev.com> parents: 118 diff changeset	2214 dst = mov_ir(dst, inst->address + 4, SCRATCH1, SZ_D);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2215 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2216 dst = push_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2217 }
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2218 dst = sub_ir(dst, 4, opts->aregs[7], SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2219 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2220 dst = call(dst, (char *)m68k_write_long_highfirst);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2221 dst = mov_ir(dst, inst->address+2, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2222 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2223 if (inst->src.params.regs.sec & 1) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2224 if (inst->src.params.regs.sec & 0x10) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2225 if (opts->aregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2226 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2227 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2228 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2229 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2230 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2231 if (opts->dregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2232 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2233 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2234 dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2235 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2236 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2237 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2238 if (inst->src.params.regs.sec & 0x10) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2239 if (opts->aregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2240 dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2241 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2242 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2243 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2244 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2245 if (opts->dregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2246 dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_W, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2247 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2248 dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_W, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2249 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2250 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2251 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2252 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2253 if (inst->src.params.regs.displacement) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2254 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2255 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2256 dst = call(dst, (uint8_t *)m68k_native_addr);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2257 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2258 dst = call_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2259 //would add_ir(dst, 8, RSP, SZ_Q) be faster here?
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2260 dst = pop_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2261 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2262 dst = jmp_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2263 }
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2264 break;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2265 case MODE_ABSOLUTE:
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2266 case MODE_ABSOLUTE_SHORT:
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2267 //TODO: Add cycles in the right place relative to pushing the return address on the stack
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2268 dst = cycles(dst, inst->src.addr_mode == MODE_ABSOLUTE ? 12 : 10);
119 ee19ddadb398 Fix return address pushed to stack for jsr Mike Pavone <pavone@retrodev.com> parents: 118 diff changeset	2269 dst = mov_ir(dst, inst->address + (inst->src.addr_mode == MODE_ABSOLUTE ? 6 : 4), SCRATCH1, SZ_D);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2270 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2271 dst = push_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2272 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2273 dst = sub_ir(dst, 4, opts->aregs[7], SZ_D);
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2274 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2275 dst = call(dst, (char *)m68k_write_long_highfirst);
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2276 m68k_addr = inst->src.params.immed;
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2277 if ((m68k_addr & 0xFFFFFF) < 0x400000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2278 dest_addr = get_native_address(opts->native_code_map, m68k_addr);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2279 if (!dest_addr) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2280 opts->deferred = defer_address(opts->deferred, m68k_addr, dst + 1);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2281 //dummy address to be replaced later, make sure it generates a 4-byte displacement
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2282 dest_addr = dst + 256;
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2283 }
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2284 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2285 dst = call(dst, (char *)dest_addr);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2286 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2287 dst = jmp(dst, dest_addr);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2288 }
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2289 } else {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2290 dst = mov_ir(dst, m68k_addr, SCRATCH1, SZ_D);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2291 dst = call(dst, (uint8_t *)m68k_native_addr);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2292 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2293 dst = call_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2294 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2295 dst = jmp_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2296 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2297 }
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2298 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2299 //would add_ir(dst, 8, RSP, SZ_Q) be faster here?
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2300 dst = pop_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2301 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2302 break;
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2303 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2304 m68k_disasm(inst, disasm_buf);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2305 printf("%s\naddress mode %d not yet supported (jsr)\n", disasm_buf, inst->src.addr_mode);
105 1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	2306 exit(1);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2307 }
53 44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	2308 return dst;
44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	2309 }
44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	2310
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2311 uint8_t * translate_m68k_rts(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2312 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2313 //TODO: Add cycles
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2314 dst = mov_rr(dst, opts->aregs[7], SCRATCH1, SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2315 dst = add_ir(dst, 4, opts->aregs[7], SZ_D);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2316 dst = call(dst, (char *)m68k_read_long_scratch1);
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2317 if (opts->flags & OPT_NATIVE_CALL_STACK) {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2318 dst = cmp_rdisp8r(dst, RSP, 8, SCRATCH1, SZ_D);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2319 dst = jcc(dst, CC_NZ, dst+3);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2320 dst = retn(dst);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2321 dst = jmp(dst, (char *)m68k_modified_ret_addr);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2322 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2323 dst = call(dst, (uint8_t *)m68k_native_addr);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2324 dst = jmp_r(dst, SCRATCH1);
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2325 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2326 return dst;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2327 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2328
46 f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2329 uint8_t * translate_m68k_dbcc(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2330 {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2331 //best case duration
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2332 dst = cycles(dst, 10);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2333 uint8_t * skip_loc = NULL;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2334 //TODO: Check if COND_TRUE technically valid here even though
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2335 //it's basically a slow NOP
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2336 if (inst->extra.cond != COND_FALSE) {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2337 uint8_t cond = CC_NZ;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2338 switch (inst->extra.cond)
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2339 {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2340 case COND_HIGH:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2341 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2342 case COND_LOW_SAME:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2343 dst = mov_rr(dst, FLAG_Z, SCRATCH1, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2344 dst = or_rr(dst, FLAG_C, SCRATCH1, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2345 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2346 case COND_CARRY_CLR:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2347 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2348 case COND_CARRY_SET:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2349 dst = cmp_ir(dst, 0, FLAG_C, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2350 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2351 case COND_NOT_EQ:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2352 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2353 case COND_EQ:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2354 dst = cmp_ir(dst, 0, FLAG_Z, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2355 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2356 case COND_OVERF_CLR:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2357 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2358 case COND_OVERF_SET:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2359 dst = cmp_ir(dst, 0, FLAG_V, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2360 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2361 case COND_PLUS:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2362 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2363 case COND_MINUS:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2364 dst = cmp_ir(dst, 0, FLAG_N, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2365 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2366 case COND_GREATER_EQ:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2367 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2368 case COND_LESS:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2369 dst = cmp_rr(dst, FLAG_N, FLAG_V, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2370 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2371 case COND_GREATER:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2372 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2373 case COND_LESS_EQ:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2374 dst = mov_rr(dst, FLAG_V, SCRATCH1, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2375 dst = xor_rr(dst, FLAG_N, SCRATCH1, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2376 dst = or_rr(dst, FLAG_Z, SCRATCH1, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2377 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2378 }
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2379 skip_loc = dst + 1;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2380 dst = jcc(dst, cond, dst + 2);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2381 }
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2382 if (opts->dregs[inst->dst.params.regs.pri] >= 0) {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2383 dst = sub_ir(dst, 1, opts->dregs[inst->dst.params.regs.pri], SZ_W);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2384 dst = cmp_ir(dst, -1, opts->dregs[inst->dst.params.regs.pri], SZ_W);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2385 } else {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2386 dst = sub_irdisp8(dst, 1, CONTEXT, offsetof(m68k_context, dregs) + 4 * inst->dst.params.regs.pri, SZ_W);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2387 dst = cmp_irdisp8(dst, -1, CONTEXT, offsetof(m68k_context, dregs) + 4 * inst->dst.params.regs.pri, SZ_W);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2388 }
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2389 uint8_t *loop_end_loc = dst+1;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2390 dst = jcc(dst, CC_Z, dst+2);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2391 uint32_t after = inst->address + 2;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2392 uint8_t * dest_addr = get_native_address(opts->native_code_map, after + inst->src.params.immed);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2393 if (!dest_addr) {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2394 opts->deferred = defer_address(opts->deferred, after + inst->src.params.immed, dst + 1);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2395 //dummy address to be replaced later, make sure it generates a 4-byte displacement
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2396 dest_addr = dst + 256;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2397 }
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2398 dst = jmp(dst, dest_addr);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2399 *loop_end_loc = dst - (loop_end_loc+1);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2400 if (skip_loc) {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2401 dst = cycles(dst, 2);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2402 *skip_loc = dst - (skip_loc+1);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2403 dst = cycles(dst, 2);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2404 } else {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2405 dst = cycles(dst, 4);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2406 }
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	2407 return dst;
46 f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2408 }
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2409
78 463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2410 uint8_t * translate_m68k_link(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2411 {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2412 int8_t reg = native_reg(&(inst->src), opts);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2413 //compensate for displacement word
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2414 dst = cycles(dst, BUS);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2415 dst = sub_ir(dst, 4, opts->aregs[7], SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2416 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2417 if (reg >= 0) {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2418 dst = mov_rr(dst, reg, SCRATCH1, SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2419 } else {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2420 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2421 }
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2422 dst = call(dst, (char *)m68k_write_long_highfirst);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2423 if (reg >= 0) {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2424 dst = mov_rr(dst, opts->aregs[7], reg, SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2425 } else {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2426 dst = mov_rrdisp8(dst, opts->aregs[7], CONTEXT, reg_offset(&(inst->src)), SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2427 }
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2428 dst = add_ir(dst, inst->dst.params.immed, opts->aregs[7], SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2429 //prefetch
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2430 dst = cycles(dst, BUS);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2431 return dst;
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2432 }
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2433
172 c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2434 uint8_t * translate_m68k_movep(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2435 {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2436 int8_t reg;
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2437 dst = cycles(dst, BUS*2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2438 if (inst->src.addr_mode == MODE_REG) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2439 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2440 dst = mov_rr(dst, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2441 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2442 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2443 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2444 if (inst->dst.params.regs.displacement) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2445 dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2446 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2447 reg = native_reg(&(inst->src), opts);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2448 if (inst->extra.size == OPSIZE_LONG) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2449 if (reg >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2450 dst = mov_rr(dst, reg, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2451 dst = shr_ir(dst, 24, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2452 dst = push_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2453 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2454 dst = pop_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2455 dst = mov_rr(dst, reg, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2456 dst = shr_ir(dst, 16, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2457
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2458 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2459 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src))+3, SCRATCH1, SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2460 dst = push_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2461 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2462 dst = pop_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2463 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src))+2, SCRATCH1, SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2464 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2465 dst = add_ir(dst, 2, SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2466 dst = push_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2467 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2468 dst = pop_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2469 dst = add_ir(dst, 2, SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2470 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2471 if (reg >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2472 dst = mov_rr(dst, reg, SCRATCH1, SZ_W);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2473 dst = shr_ir(dst, 8, SCRATCH1, SZ_W);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2474 dst = push_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2475 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2476 dst = pop_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2477 dst = mov_rr(dst, reg, SCRATCH1, SZ_W);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2478 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2479 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src))+1, SCRATCH1, SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2480 dst = push_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2481 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2482 dst = pop_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2483 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2484 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2485 dst = add_ir(dst, 2, SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2486 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2487 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2488 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2489 dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2490 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2491 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2492 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2493 if (inst->src.params.regs.displacement) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2494 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2495 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2496 reg = native_reg(&(inst->dst), opts);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2497 if (inst->extra.size == OPSIZE_LONG) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2498 if (reg >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2499 dst = push_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2500 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2501 dst = shl_ir(dst, 24, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2502 dst = mov_rr(dst, SCRATCH1, reg, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2503 dst = pop_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2504 dst = add_ir(dst, 2, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2505 dst = push_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2506 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2507 dst = shl_ir(dst, 16, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2508 dst = or_rr(dst, SCRATCH1, reg, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2509 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2510 dst = push_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2511 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2512 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, reg_offset(&(inst->dst))+3, SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2513 dst = pop_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2514 dst = add_ir(dst, 2, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2515 dst = push_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2516 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2517 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, reg_offset(&(inst->dst))+2, SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2518 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2519 dst = pop_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2520 dst = add_ir(dst, 2, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2521 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2522 dst = push_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2523 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2524 if (reg >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2525
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2526 dst = shl_ir(dst, 8, SCRATCH1, SZ_W);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2527 dst = mov_rr(dst, SCRATCH1, reg, SZ_W);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2528 dst = pop_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2529 dst = add_ir(dst, 2, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2530 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2531 dst = mov_rr(dst, SCRATCH1, reg, SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2532 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2533 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, reg_offset(&(inst->dst))+1, SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2534 dst = pop_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2535 dst = add_ir(dst, 2, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2536 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2537 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, reg_offset(&(inst->dst)), SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2538 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2539 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2540 return dst;
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2541 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2542
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2543 uint8_t * translate_m68k_cmp(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2544 {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2545 uint8_t size = inst->extra.size;
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2546 x86_ea src_op, dst_op;
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2547 dst = translate_m68k_src(inst, &src_op, dst, opts);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2548 if (inst->dst.addr_mode == MODE_AREG_POSTINC) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2549 dst = push_r(dst, SCRATCH1);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2550 dst = translate_m68k_dst(inst, &dst_op, dst, opts, 0);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2551 dst = pop_r(dst, SCRATCH2);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2552 src_op.base = SCRATCH2;
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2553 } else {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2554 dst = translate_m68k_dst(inst, &dst_op, dst, opts, 0);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2555 if (inst->dst.addr_mode == MODE_AREG && size == OPSIZE_WORD) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2556 size = OPSIZE_LONG;
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2557 }
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2558 }
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2559 dst = cycles(dst, BUS);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2560 if (src_op.mode == MODE_REG_DIRECT) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2561 if (dst_op.mode == MODE_REG_DIRECT) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2562 dst = cmp_rr(dst, src_op.base, dst_op.base, size);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2563 } else {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2564 dst = cmp_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, size);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2565 }
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2566 } else if (src_op.mode == MODE_REG_DISPLACE8) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2567 dst = cmp_rdisp8r(dst, src_op.base, src_op.disp, dst_op.base, size);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2568 } else {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2569 if (dst_op.mode == MODE_REG_DIRECT) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2570 dst = cmp_ir(dst, src_op.disp, dst_op.base, size);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2571 } else {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2572 dst = cmp_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, size);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2573 }
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2574 }
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2575 dst = setcc_r(dst, CC_C, FLAG_C);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2576 dst = setcc_r(dst, CC_Z, FLAG_Z);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2577 dst = setcc_r(dst, CC_S, FLAG_N);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2578 dst = setcc_r(dst, CC_O, FLAG_V);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2579 return dst;
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2580 }
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2581
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2582 typedef uint8_t * (shift_ir_t)(uint8_t out, uint8_t val, uint8_t dst, uint8_t size);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2583 typedef uint8_t * (shift_irdisp8_t)(uint8_t out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2584 typedef uint8_t * (shift_clr_t)(uint8_t out, uint8_t dst, uint8_t size);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2585 typedef uint8_t * (shift_clrdisp8_t)(uint8_t out, uint8_t dst_base, int8_t disp, uint8_t size);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2586
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2587 uint8_t * translate_shift(uint8_t * dst, m68kinst * inst, x86_ea src_op, x86_ea dst_op, x86_68k_options * opts, shift_ir_t shift_ir, shift_irdisp8_t shift_irdisp8, shift_clr_t shift_clr, shift_clrdisp8_t shift_clrdisp8, shift_ir_t special, shift_irdisp8_t special_disp8)
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2588 {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2589 uint8_t * end_off = NULL;
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2590 uint8_t * nz_off = NULL;
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2591 uint8_t * z_off = NULL;
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2592 if (inst->src.addr_mode == MODE_UNUSED) {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2593 dst = cycles(dst, BUS);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2594 //Memory shift
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2595 dst = shift_ir(dst, 1, dst_op->base, SZ_W);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2596 } else {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2597 dst = cycles(dst, inst->extra.size == OPSIZE_LONG ? 8 : 6);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2598 if (src_op->mode == MODE_IMMED) {
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2599 if (src_op->disp != 1 && inst->op == M68K_ASL) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2600 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2601 for (int i = 0; i < src_op->disp; i++) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2602 if (dst_op->mode == MODE_REG_DIRECT) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2603 dst = shift_ir(dst, 1, dst_op->base, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2604 } else {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2605 dst = shift_irdisp8(dst, 1, dst_op->base, dst_op->disp, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2606 }
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2607 //dst = setcc_r(dst, CC_O, FLAG_V);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2608 dst = jcc(dst, CC_NO, dst+4);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2609 dst = mov_ir(dst, 1, FLAG_V, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2610 }
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2611 } else {
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2612 if (dst_op->mode == MODE_REG_DIRECT) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2613 dst = shift_ir(dst, src_op->disp, dst_op->base, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2614 } else {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2615 dst = shift_irdisp8(dst, src_op->disp, dst_op->base, dst_op->disp, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2616 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	2617 dst = setcc_r(dst, CC_O, FLAG_V);
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2618 }
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2619 } else {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2620 if (src_op->base != RCX) {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2621 if (src_op->mode == MODE_REG_DIRECT) {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2622 dst = mov_rr(dst, src_op->base, RCX, SZ_B);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2623 } else {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2624 dst = mov_rdisp8r(dst, src_op->base, src_op->disp, RCX, SZ_B);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2625 }
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2626
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2627 }
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2628 dst = and_ir(dst, 63, RCX, SZ_D);
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2629 nz_off = dst+1;
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2630 dst = jcc(dst, CC_NZ, dst+2);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2631 //Flag behavior for shift count of 0 is different for x86 than 68K
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2632 if (dst_op->mode == MODE_REG_DIRECT) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2633 dst = cmp_ir(dst, 0, dst_op->base, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2634 } else {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2635 dst = cmp_irdisp8(dst, 0, dst_op->base, dst_op->disp, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2636 }
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2637 dst = setcc_r(dst, CC_Z, FLAG_Z);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2638 dst = setcc_r(dst, CC_S, FLAG_N);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2639 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2640 //For other instructions, this flag will be set below
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2641 if (inst->op == M68K_ASL) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2642 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2643 }
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2644 z_off = dst+1;
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2645 dst = jmp(dst, dst+2);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2646 *nz_off = dst - (nz_off + 1);
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2647 //add 2 cycles for every bit shifted
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2648 dst = add_rr(dst, RCX, CYCLES, SZ_D);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2649 dst = add_rr(dst, RCX, CYCLES, SZ_D);
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2650 if (inst->op == M68K_ASL) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2651 //ASL has Overflow flag behavior that depends on all of the bits shifted through the MSB
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2652 //Easiest way to deal with this is to shift one bit at a time
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2653 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2654 uint8_t * loop_start = dst;
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2655 if (dst_op->mode == MODE_REG_DIRECT) {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2656 dst = shift_ir(dst, 1, dst_op->base, inst->extra.size);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2657 } else {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2658 dst = shift_irdisp8(dst, 1, dst_op->base, dst_op->disp, inst->extra.size);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2659 }
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2660 //dst = setcc_r(dst, CC_O, FLAG_V);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2661 dst = jcc(dst, CC_NO, dst+4);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2662 dst = mov_ir(dst, 1, FLAG_V, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2663 dst = loop(dst, loop_start);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2664 } else {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2665 //x86 shifts modulo 32 for operand sizes less than 64-bits
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2666 //but M68K shifts modulo 64, so we need to check for large shifts here
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2667 dst = cmp_ir(dst, 32, RCX, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2668 uint8_t * norm_shift_off = dst + 1;
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2669 dst = jcc(dst, CC_L, dst+2);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2670 if (special) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2671 if (inst->extra.size == OPSIZE_LONG) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2672 uint8_t * neq_32_off = dst + 1;
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2673 dst = jcc(dst, CC_NZ, dst+2);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2674
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2675 //set the carry bit to the lsb
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2676 if (dst_op->mode == MODE_REG_DIRECT) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2677 dst = special(dst, 1, dst_op->base, SZ_D);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2678 } else {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2679 dst = special_disp8(dst, 1, dst_op->base, dst_op->disp, SZ_D);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2680 }
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2681 dst = setcc_r(dst, CC_C, FLAG_C);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2682 dst = jmp(dst, dst+4);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2683 *neq_32_off = dst - (neq_32_off+1);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2684 }
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2685 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2686 dst = mov_ir(dst, 1, FLAG_Z, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2687 dst = mov_ir(dst, 0, FLAG_N, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2688 if (dst_op->mode == MODE_REG_DIRECT) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2689 dst = xor_rr(dst, dst_op->base, dst_op->base, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2690 } else {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2691 dst = mov_irdisp8(dst, 0, dst_op->base, dst_op->disp, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2692 }
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2693 } else {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2694 if (dst_op->mode == MODE_REG_DIRECT) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2695 dst = shift_ir(dst, 31, dst_op->base, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2696 dst = shift_ir(dst, 1, dst_op->base, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2697 } else {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2698 dst = shift_irdisp8(dst, 31, dst_op->base, dst_op->disp, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2699 dst = shift_irdisp8(dst, 1, dst_op->base, dst_op->disp, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2700 }
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2701
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2702 }
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2703 end_off = dst+1;
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2704 dst = jmp(dst, dst+2);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2705 *norm_shift_off = dst - (norm_shift_off+1);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2706 if (dst_op->mode == MODE_REG_DIRECT) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2707 dst = shift_clr(dst, dst_op->base, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2708 } else {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2709 dst = shift_clrdisp8(dst, dst_op->base, dst_op->disp, inst->extra.size);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2710 }
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2711 }
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2712 }
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2713
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2714 }
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2715 if (!special && end_off) {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2716 *end_off = dst - (end_off + 1);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2717 }
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2718 dst = setcc_r(dst, CC_C, FLAG_C);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2719 dst = setcc_r(dst, CC_Z, FLAG_Z);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2720 dst = setcc_r(dst, CC_S, FLAG_N);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2721 if (special && end_off) {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2722 *end_off = dst - (end_off + 1);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2723 }
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2724 //set X flag to same as C flag
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2725 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2726 if (z_off) {
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2727 *z_off = dst - (z_off + 1);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2728 }
219 8d3c16071559 Fix overflow flag behavior for lsl/lsr/asr Mike Pavone <pavone@retrodev.com> parents: 218 diff changeset	2729 if (inst->op != M68K_ASL) {
207 c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2730 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
c82f65a87a53 Fix overflow flag on ASL Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	2731 }
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2732 if (inst->src.addr_mode == MODE_UNUSED) {
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2733 dst = m68k_save_result(inst, dst, opts);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2734 }
66 7a22a0e6c004 Gamepad support Mike Pavone <pavone@retrodev.com> parents: 64 diff changeset	2735 return dst;
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2736 }
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2737
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2738 #define BIT_SUPERVISOR 5
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2739
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2740 uint8_t * translate_m68k(uint8_t * dst, m68kinst * inst, x86_68k_options * opts)
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2741 {
122 0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	2742 uint8_t * end_off, zero_off, norm_off;
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2743 uint8_t dst_reg;
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	2744 dst = check_cycles_int(dst, inst->address);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2745 if (inst->op == M68K_MOVE) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2746 return translate_m68k_move(dst, inst, opts);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2747 } else if(inst->op == M68K_LEA) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2748 return translate_m68k_lea(dst, inst, opts);
116 9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	2749 } else if(inst->op == M68K_PEA) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	2750 return translate_m68k_pea(dst, inst, opts);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2751 } else if(inst->op == M68K_BSR) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2752 return translate_m68k_bsr(dst, inst, opts);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2753 } else if(inst->op == M68K_BCC) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2754 return translate_m68k_bcc(dst, inst, opts);
53 44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	2755 } else if(inst->op == M68K_JMP) {
44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	2756 return translate_m68k_jmp(dst, inst, opts);
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2757 } else if(inst->op == M68K_JSR) {
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2758 return translate_m68k_jsr(dst, inst, opts);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2759 } else if(inst->op == M68K_RTS) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2760 return translate_m68k_rts(dst, inst, opts);
46 f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2761 } else if(inst->op == M68K_DBCC) {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2762 return translate_m68k_dbcc(dst, inst, opts);
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	2763 } else if(inst->op == M68K_CLR) {
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	2764 return translate_m68k_clr(dst, inst, opts);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2765 } else if(inst->op == M68K_MOVEM) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2766 return translate_m68k_movem(dst, inst, opts);
78 463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2767 } else if(inst->op == M68K_LINK) {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2768 return translate_m68k_link(dst, inst, opts);
93 f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	2769 } else if(inst->op == M68K_EXT) {
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	2770 return translate_m68k_ext(dst, inst, opts);
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	2771 } else if(inst->op == M68K_SCC) {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	2772 return translate_m68k_scc(dst, inst, opts);
172 c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2773 } else if(inst->op == M68K_MOVEP) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2774 return translate_m68k_movep(dst, inst, opts);
176 e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it Mike Pavone <pavone@retrodev.com> parents: 175 diff changeset	2775 } else if(inst->op == M68K_INVALID) {
208 3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 207 diff changeset	2776 if (inst->src.params.immed == 0x7100) {
3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 207 diff changeset	2777 return retn(dst);
3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 207 diff changeset	2778 }
176 e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it Mike Pavone <pavone@retrodev.com> parents: 175 diff changeset	2779 dst = mov_ir(dst, inst->address, SCRATCH1, SZ_D);
e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it Mike Pavone <pavone@retrodev.com> parents: 175 diff changeset	2780 return call(dst, (uint8_t *)m68k_invalid);
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2781 } else if(inst->op == M68K_CMP) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2782 return translate_m68k_cmp(dst, inst, opts);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2783 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2784 x86_ea src_op, dst_op;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2785 if (inst->src.addr_mode != MODE_UNUSED) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2786 dst = translate_m68k_src(inst, &src_op, dst, opts);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2787 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2788 if (inst->dst.addr_mode != MODE_UNUSED) {
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	2789 dst = translate_m68k_dst(inst, &dst_op, dst, opts, 0);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2790 }
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2791 uint8_t size;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2792 switch(inst->op)
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2793 {
194 811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2794 case M68K_ABCD:
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2795 if (src_op.base != SCRATCH2) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2796 if (src_op.mode == MODE_REG_DIRECT) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2797 dst = mov_rr(dst, src_op.base, SCRATCH2, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2798 } else {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2799 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH2, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2800 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2801 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2802 if (dst_op.base != SCRATCH1) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2803 if (dst_op.mode == MODE_REG_DIRECT) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2804 dst = mov_rr(dst, dst_op.base, SCRATCH1, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2805 } else {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2806 dst = mov_rdisp8r(dst, dst_op.base, dst_op.disp, SCRATCH1, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2807 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2808 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2809 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2810 dst = jcc(dst, CC_NC, dst+5);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2811 dst = add_ir(dst, 1, SCRATCH1, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2812 dst = call(dst, (uint8_t *)bcd_add);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2813 dst = mov_rr(dst, CH, FLAG_C, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2814 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2815 dst = cmp_ir(dst, 0, SCRATCH1, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2816 dst = jcc(dst, CC_Z, dst+4);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2817 dst = mov_ir(dst, 0, FLAG_Z, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2818 if (dst_op.base != SCRATCH1) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2819 if (dst_op.mode == MODE_REG_DIRECT) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2820 dst = mov_rr(dst, SCRATCH1, dst_op.base, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2821 } else {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2822 dst = mov_rrdisp8(dst, SCRATCH1, dst_op.base, dst_op.disp, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2823 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2824 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2825 dst = m68k_save_result(inst, dst, opts);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	2826 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2827 case M68K_ADD:
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2828 dst = cycles(dst, BUS);
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2829 size = inst->dst.addr_mode == MODE_AREG ? OPSIZE_LONG : inst->extra.size;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2830 if (src_op.mode == MODE_REG_DIRECT) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2831 if (dst_op.mode == MODE_REG_DIRECT) {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2832 dst = add_rr(dst, src_op.base, dst_op.base, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2833 } else {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2834 dst = add_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2835 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2836 } else if (src_op.mode == MODE_REG_DISPLACE8) {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2837 dst = add_rdisp8r(dst, src_op.base, src_op.disp, dst_op.base, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2838 } else {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2839 if (dst_op.mode == MODE_REG_DIRECT) {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2840 dst = add_ir(dst, src_op.disp, dst_op.base, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2841 } else {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	2842 dst = add_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2843 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2844 }
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	2845 if (inst->dst.addr_mode != MODE_AREG) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	2846 dst = setcc_r(dst, CC_C, FLAG_C);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	2847 dst = setcc_r(dst, CC_Z, FLAG_Z);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	2848 dst = setcc_r(dst, CC_S, FLAG_N);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	2849 dst = setcc_r(dst, CC_O, FLAG_V);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	2850 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	2851 }
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2852 dst = m68k_save_result(inst, dst, opts);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2853 break;
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2854 case M68K_ADDX:
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2855 dst = cycles(dst, BUS);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2856 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2857 if (src_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2858 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2859 dst = adc_rr(dst, src_op.base, dst_op.base, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2860 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2861 dst = adc_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2862 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2863 } else if (src_op.mode == MODE_REG_DISPLACE8) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2864 dst = adc_rdisp8r(dst, src_op.base, src_op.disp, dst_op.base, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2865 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2866 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2867 dst = adc_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2868 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2869 dst = adc_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2870 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2871 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2872 dst = setcc_r(dst, CC_C, FLAG_C);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	2873 dst = jcc(dst, CC_Z, dst+4);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	2874 dst = mov_ir(dst, 0, FLAG_Z, SZ_B);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2875 dst = setcc_r(dst, CC_S, FLAG_N);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2876 dst = setcc_r(dst, CC_O, FLAG_V);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2877 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2878 dst = m68k_save_result(inst, dst, opts);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2879 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2880 case M68K_AND:
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2881 dst = cycles(dst, BUS);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2882 if (src_op.mode == MODE_REG_DIRECT) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2883 if (dst_op.mode == MODE_REG_DIRECT) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2884 dst = and_rr(dst, src_op.base, dst_op.base, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2885 } else {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2886 dst = and_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2887 }
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2888 } else if (src_op.mode == MODE_REG_DISPLACE8) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2889 dst = and_rdisp8r(dst, src_op.base, src_op.disp, dst_op.base, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2890 } else {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2891 if (dst_op.mode == MODE_REG_DIRECT) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2892 dst = and_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2893 } else {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2894 dst = and_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2895 }
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2896 }
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2897 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2898 dst = setcc_r(dst, CC_Z, FLAG_Z);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2899 dst = setcc_r(dst, CC_S, FLAG_N);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2900 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2901 dst = m68k_save_result(inst, dst, opts);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2902 break;
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2903 case M68K_ANDI_CCR:
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2904 case M68K_ANDI_SR:
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2905 dst = cycles(dst, 20);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2906 //TODO: If ANDI to SR, trap if not in supervisor mode
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2907 if (!(inst->src.params.immed & 0x1)) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2908 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2909 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2910 if (!(inst->src.params.immed & 0x2)) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2911 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2912 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2913 if (!(inst->src.params.immed & 0x4)) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2914 dst = mov_ir(dst, 0, FLAG_Z, SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2915 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2916 if (!(inst->src.params.immed & 0x8)) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2917 dst = mov_ir(dst, 0, FLAG_N, SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2918 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2919 if (!(inst->src.params.immed & 0x10)) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2920 dst = mov_irind(dst, 0, CONTEXT, SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2921 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2922 if (inst->op == M68K_ANDI_SR) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2923 dst = and_irdisp8(dst, inst->src.params.immed >> 8, CONTEXT, offsetof(m68k_context, status), SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2924 if (!((inst->src.params.immed >> 8) & (1 << BIT_SUPERVISOR))) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2925 //leave supervisor mode
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2926 dst = mov_rr(dst, opts->aregs[7], SCRATCH1, SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2927 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * 8, opts->aregs[7], SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2928 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * 8, SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2929 }
150 3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	2930 if (inst->src.params.immed & 0x700) {
3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	2931 dst = call(dst, (uint8_t *)do_sync);
3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	2932 }
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2933 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2934 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2935 case M68K_ASL:
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2936 case M68K_LSL:
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2937 dst = translate_shift(dst, inst, &src_op, &dst_op, opts, shl_ir, shl_irdisp8, shl_clr, shl_clrdisp8, shr_ir, shr_irdisp8);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2938 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2939 case M68K_ASR:
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2940 dst = translate_shift(dst, inst, &src_op, &dst_op, opts, sar_ir, sar_irdisp8, sar_clr, sar_clrdisp8, NULL, NULL);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2941 break;
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	2942 case M68K_LSR:
51 937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2943 dst = translate_shift(dst, inst, &src_op, &dst_op, opts, shr_ir, shr_irdisp8, shr_clr, shr_clrdisp8, shl_ir, shl_irdisp8);
937b47c9b79b Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding. Mike Pavone <pavone@retrodev.com> parents: 49 diff changeset	2944 break;
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2945 case M68K_BCHG:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2946 case M68K_BCLR:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2947 case M68K_BSET:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2948 case M68K_BTST:
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2949 dst = cycles(dst, inst->extra.size == OPSIZE_BYTE ? 4 : 6);
67 534eb4976423 Fix BTST Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	2950 if (src_op.mode == MODE_IMMED) {
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2951 if (inst->extra.size == OPSIZE_BYTE) {
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2952 src_op.disp &= 0x7;
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2953 }
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2954 if (inst->op == M68K_BTST) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2955 if (dst_op.mode == MODE_REG_DIRECT) {
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	2956 dst = bt_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2957 } else {
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	2958 dst = bt_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2959 }
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2960 } else if (inst->op == M68K_BSET) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2961 if (dst_op.mode == MODE_REG_DIRECT) {
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	2962 dst = bts_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2963 } else {
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	2964 dst = bts_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2965 }
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2966 } else if (inst->op == M68K_BCLR) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2967 if (dst_op.mode == MODE_REG_DIRECT) {
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	2968 dst = btr_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2969 } else {
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	2970 dst = btr_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2971 }
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2972 } else {
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2973 if (dst_op.mode == MODE_REG_DIRECT) {
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	2974 dst = btc_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2975 } else {
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	2976 dst = btc_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2977 }
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2978 }
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2979 } else {
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2980 if (src_op.mode == MODE_REG_DISPLACE8 \|\| (inst->dst.addr_mode != MODE_REG && src_op.base != SCRATCH1 && src_op.base != SCRATCH2)) {
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2981 if (dst_op.base == SCRATCH1) {
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2982 dst = push_r(dst, SCRATCH2);
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2983 if (src_op.mode == MODE_REG_DIRECT) {
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2984 dst = mov_rr(dst, src_op.base, SCRATCH2, SZ_B);
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2985 } else {
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2986 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH2, SZ_B);
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2987 }
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	2988 src_op.base = SCRATCH2;
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2989 } else {
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2990 if (src_op.mode == MODE_REG_DIRECT) {
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2991 dst = mov_rr(dst, src_op.base, SCRATCH1, SZ_B);
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2992 } else {
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2993 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH1, SZ_B);
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2994 }
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2995 src_op.base = SCRATCH1;
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2996 }
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	2997 }
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	2998 uint8_t size = inst->extra.size;
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2999 if (dst_op.mode == MODE_REG_DISPLACE8) {
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3000 if (src_op.base != SCRATCH1 && src_op.base != SCRATCH2) {
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3001 if (src_op.mode == MODE_REG_DIRECT) {
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3002 dst = mov_rr(dst, src_op.base, SCRATCH1, SZ_D);
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3003 } else {
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3004 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH1, SZ_D);
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3005 src_op.mode = MODE_REG_DIRECT;
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3006 }
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3007 src_op.base = SCRATCH1;
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3008 }
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3009 //b### with register destination is modulo 32
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3010 //x86 with a memory destination isn't modulo anything
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3011 //so use an and here to force the value to be modulo 32
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3012 dst = and_ir(dst, 31, SCRATCH1, SZ_D);
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3013 } else if(inst->dst.addr_mode != MODE_REG) {
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3014 //b### with memory destination is modulo 8
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3015 //x86-64 doesn't support 8-bit bit operations
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3016 //so we fake it by forcing the bit number to be modulo 8
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3017 dst = and_ir(dst, 7, src_op.base, SZ_D);
71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3018 size = SZ_D;
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	3019 }
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3020 if (inst->op == M68K_BTST) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3021 if (dst_op.mode == MODE_REG_DIRECT) {
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3022 dst = bt_rr(dst, src_op.base, dst_op.base, size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3023 } else {
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3024 dst = bt_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3025 }
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3026 } else if (inst->op == M68K_BSET) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3027 if (dst_op.mode == MODE_REG_DIRECT) {
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3028 dst = bts_rr(dst, src_op.base, dst_op.base, size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3029 } else {
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3030 dst = bts_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3031 }
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3032 } else if (inst->op == M68K_BCLR) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3033 if (dst_op.mode == MODE_REG_DIRECT) {
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3034 dst = btr_rr(dst, src_op.base, dst_op.base, size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3035 } else {
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3036 dst = btr_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3037 }
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	3038 } else {
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3039 if (dst_op.mode == MODE_REG_DIRECT) {
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3040 dst = btc_rr(dst, src_op.base, dst_op.base, size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3041 } else {
221 71f6b76639db Fix modulo on bit operations with a memory destination Mike Pavone <pavone@retrodev.com> parents: 219 diff changeset	3042 dst = btc_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	3043 }
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	3044 }
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3045 if (src_op.base == SCRATCH2) {
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3046 dst = pop_r(dst, SCRATCH2);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3047 }
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	3048 }
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	3049 //x86 sets the carry flag to the value of the bit tested
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	3050 //68K sets the zero flag to the complement of the bit tested
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	3051 dst = setcc_r(dst, CC_NC, FLAG_Z);
128 fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	3052 if (inst->op != M68K_BTST) {
fe598ffd85ce Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed Mike Pavone <pavone@retrodev.com> parents: 126 diff changeset	3053 dst = m68k_save_result(inst, dst, opts);
61 918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	3054 }
918468c623e9 Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM. Mike Pavone <pavone@retrodev.com> parents: 59 diff changeset	3055 break;
226 28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3056 case M68K_CHK:
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3057 {
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3058 dst = cycles(dst, 6);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3059 if (dst_op.mode == MODE_REG_DIRECT) {
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3060 dst = cmp_ir(dst, 0, dst_op.base, inst->extra.size);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3061 } else {
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3062 dst = cmp_irdisp8(dst, 0, dst_op.base, dst_op.disp, inst->extra.size);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3063 }
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3064 uint8_t * passed = dst+1;
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3065 dst = jcc(dst, CC_GE, dst+2);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3066 dst = mov_ir(dst, 1, FLAG_N, SZ_B);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3067 dst = mov_ir(dst, VECTOR_CHK, SCRATCH2, SZ_D);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3068 dst = mov_ir(dst, inst->address+2, SCRATCH1, SZ_D);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3069 dst = jmp(dst, (uint8_t *)m68k_trap);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3070 *passed = dst - (passed+1);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3071 if (dst_op.mode == MODE_REG_DIRECT) {
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3072 if (src_op.mode == MODE_REG_DIRECT) {
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3073 dst = cmp_rr(dst, src_op.base, dst_op.base, inst->extra.size);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3074 } else if(src_op.mode == MODE_REG_DISPLACE8) {
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3075 dst = cmp_rdisp8r(dst, src_op.base, src_op.disp, dst_op.base, inst->extra.size);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3076 } else {
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3077 dst = cmp_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3078 }
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3079 } else if(dst_op.mode == MODE_REG_DISPLACE8) {
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3080 if (src_op.mode == MODE_REG_DIRECT) {
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3081 dst = cmp_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, inst->extra.size);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3082 } else {
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3083 dst = cmp_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3084 }
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3085 }
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3086 passed = dst+1;
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3087 dst = jcc(dst, CC_LE, dst+2);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3088 dst = mov_ir(dst, 0, FLAG_N, SZ_B);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3089 dst = mov_ir(dst, VECTOR_CHK, SCRATCH2, SZ_D);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3090 dst = mov_ir(dst, inst->address+2, SCRATCH1, SZ_D);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3091 dst = jmp(dst, (uint8_t *)m68k_trap);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3092 *passed = dst - (passed+1);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3093 dst = cycles(dst, 4);
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3094 break;
28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3095 }
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3096 case M68K_DIVS:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3097 case M68K_DIVU:
228 1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3098 {
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3099 //TODO: cycle exact division
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3100 dst = cycles(dst, inst->op == M68K_DIVS ? 158 : 140);
228 1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3101 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3102 dst = push_r(dst, RDX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3103 dst = push_r(dst, RAX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3104 if (dst_op.mode == MODE_REG_DIRECT) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3105 dst = mov_rr(dst, dst_op.base, RAX, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3106 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3107 dst = mov_rdisp8r(dst, dst_op.base, dst_op.disp, RAX, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3108 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3109 if (src_op.mode == MODE_IMMED) {
228 1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3110 dst = mov_ir(dst, (src_op.disp & 0x8000) && inst->op == M68K_DIVS ? src_op.disp \| 0xFFFF0000 : src_op.disp, SCRATCH2, SZ_D);
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3111 } else if (src_op.mode == MODE_REG_DIRECT) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3112 if (inst->op == M68K_DIVS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3113 dst = movsx_rr(dst, src_op.base, SCRATCH2, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3114 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3115 dst = movzx_rr(dst, src_op.base, SCRATCH2, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3116 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3117 } else if (src_op.mode == MODE_REG_DISPLACE8) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3118 if (inst->op == M68K_DIVS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3119 dst = movsx_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH2, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3120 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3121 dst = movzx_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH2, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3122 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3123 }
228 1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3124 dst = cmp_ir(dst, 0, SCRATCH2, SZ_D);
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3125 uint8_t * not_zero = dst+1;
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3126 dst = jcc(dst, CC_NZ, dst+2);
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3127 dst = pop_r(dst, RAX);
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3128 dst = pop_r(dst, RDX);
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3129 dst = mov_ir(dst, VECTOR_INT_DIV_ZERO, SCRATCH2, SZ_D);
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3130 dst = mov_ir(dst, inst->address+2, SCRATCH1, SZ_D);
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3131 dst = jmp(dst, (uint8_t *)m68k_trap);
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3132 *not_zero = dst - (not_zero+1);
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3133 if (inst->op == M68K_DIVS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3134 dst = cdq(dst);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3135 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3136 dst = xor_rr(dst, RDX, RDX, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3137 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3138 if (inst->op == M68K_DIVS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3139 dst = idiv_r(dst, SCRATCH2, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3140 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3141 dst = div_r(dst, SCRATCH2, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3142 }
228 1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3143 uint8_t * skip_sec_check;
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3144 if (inst->op == M68K_DIVS) {
228 1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3145 dst = cmp_ir(dst, 0x8000, RAX, SZ_D);
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3146 skip_sec_check = dst + 1;
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3147 dst = jcc(dst, CC_GE, dst+2);
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3148 dst = cmp_ir(dst, -0x8000, RAX, SZ_D);
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3149 norm_off = dst+1;
228 1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3150 dst = jcc(dst, CC_L, dst+2);
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3151 } else {
228 1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3152 dst = cmp_ir(dst, 0x10000, RAX, SZ_D);
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3153 norm_off = dst+1;
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3154 dst = jcc(dst, CC_NC, dst+2);
3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3155 }
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3156 if (dst_op.mode == MODE_REG_DIRECT) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3157 dst = mov_rr(dst, RDX, dst_op.base, SZ_W);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3158 dst = shl_ir(dst, 16, dst_op.base, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3159 dst = mov_rr(dst, RAX, dst_op.base, SZ_W);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3160 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3161 dst = mov_rrdisp8(dst, RDX, dst_op.base, dst_op.disp, SZ_W);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3162 dst = shl_irdisp8(dst, 16, dst_op.base, dst_op.disp, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3163 dst = mov_rrdisp8(dst, RAX, dst_op.base, dst_op.disp, SZ_W);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3164 }
209 922b59c09259 Flag fixes for div, negx and not Mike Pavone <pavone@retrodev.com> parents: 208 diff changeset	3165 dst = cmp_ir(dst, 0, RAX, SZ_W);
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3166 dst = pop_r(dst, RAX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3167 dst = pop_r(dst, RDX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3168 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3169 dst = setcc_r(dst, CC_Z, FLAG_Z);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3170 dst = setcc_r(dst, CC_S, FLAG_N);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3171 end_off = dst+1;
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3172 dst = jmp(dst, dst+2);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3173 *norm_off = dst - (norm_off + 1);
228 1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3174 if (inst->op == M68K_DIVS) {
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3175 *skip_sec_check = dst - (skip_sec_check+1);
1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3176 }
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3177 dst = pop_r(dst, RAX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3178 dst = pop_r(dst, RDX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3179 dst = mov_ir(dst, 1, FLAG_V, SZ_B);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3180 *end_off = dst - (end_off + 1);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3181 break;
228 1ed81ef2a3a2 Fix overflow detection in divs. Fix negative immediate source for divs Mike Pavone <pavone@retrodev.com> parents: 226 diff changeset	3182 }
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3183 case M68K_EOR:
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3184 dst = cycles(dst, BUS);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3185 if (src_op.mode == MODE_REG_DIRECT) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3186 if (dst_op.mode == MODE_REG_DIRECT) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3187 dst = xor_rr(dst, src_op.base, dst_op.base, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3188 } else {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3189 dst = xor_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3190 }
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3191 } else if (src_op.mode == MODE_REG_DISPLACE8) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3192 dst = xor_rdisp8r(dst, src_op.base, src_op.disp, dst_op.base, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3193 } else {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3194 if (dst_op.mode == MODE_REG_DIRECT) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3195 dst = xor_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3196 } else {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3197 dst = xor_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3198 }
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3199 }
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3200 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3201 dst = setcc_r(dst, CC_Z, FLAG_Z);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3202 dst = setcc_r(dst, CC_S, FLAG_N);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3203 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3204 dst = m68k_save_result(inst, dst, opts);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3205 break;
171 f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3206 case M68K_EORI_CCR:
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3207 case M68K_EORI_SR:
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3208 dst = cycles(dst, 20);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3209 //TODO: If ANDI to SR, trap if not in supervisor mode
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3210 if (inst->src.params.immed & 0x1) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3211 dst = xor_ir(dst, 1, FLAG_C, SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3212 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3213 if (inst->src.params.immed & 0x2) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3214 dst = xor_ir(dst, 1, FLAG_V, SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3215 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3216 if (inst->src.params.immed & 0x4) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3217 dst = xor_ir(dst, 1, FLAG_Z, SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3218 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3219 if (inst->src.params.immed & 0x8) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3220 dst = xor_ir(dst, 1, FLAG_N, SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3221 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3222 if (inst->src.params.immed & 0x10) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3223 dst = xor_irdisp8(dst, 1, CONTEXT, 0, SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3224 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3225 if (inst->op == M68K_ORI_SR) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3226 dst = xor_irdisp8(dst, inst->src.params.immed >> 8, CONTEXT, offsetof(m68k_context, status), SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3227 if (inst->src.params.immed & 0x700) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3228 dst = call(dst, (uint8_t *)do_sync);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3229 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3230 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	3231 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3232 case M68K_EXG:
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3233 dst = cycles(dst, 6);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3234 if (dst_op.mode == MODE_REG_DIRECT) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3235 dst = mov_rr(dst, dst_op.base, SCRATCH2, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3236 if (src_op.mode == MODE_REG_DIRECT) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3237 dst = mov_rr(dst, src_op.base, dst_op.base, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3238 dst = mov_rr(dst, SCRATCH2, src_op.base, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3239 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3240 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, dst_op.base, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3241 dst = mov_rrdisp8(dst, SCRATCH2, src_op.base, src_op.disp, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3242 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3243 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3244 dst = mov_rdisp8r(dst, dst_op.base, dst_op.disp, SCRATCH2, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3245 if (src_op.mode == MODE_REG_DIRECT) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3246 dst = mov_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3247 dst = mov_rr(dst, SCRATCH2, src_op.base, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3248 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3249 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH1, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3250 dst = mov_rrdisp8(dst, SCRATCH1, dst_op.base, dst_op.disp, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3251 dst = mov_rrdisp8(dst, SCRATCH2, src_op.base, src_op.disp, SZ_D);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3252 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3253 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3254 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3255 case M68K_ILLEGAL:
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3256 dst = call(dst, (uint8_t *)m68k_save_context);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3257 dst = mov_rr(dst, CONTEXT, RDI, SZ_Q);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3258 dst = call(dst, (uint8_t *)print_regs_exit);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3259 break;
105 1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	3260 case M68K_MOVE_FROM_SR:
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	3261 //TODO: Trap if not in system mode
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	3262 dst = call(dst, (uint8_t *)get_sr);
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	3263 if (dst_op.mode == MODE_REG_DIRECT) {
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	3264 dst = mov_rr(dst, SCRATCH1, dst_op.base, SZ_W);
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	3265 } else {
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	3266 dst = mov_rrdisp8(dst, SCRATCH1, dst_op.base, dst_op.disp, SZ_W);
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	3267 }
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	3268 dst = m68k_save_result(inst, dst, opts);
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	3269 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3270 case M68K_MOVE_CCR:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3271 case M68K_MOVE_SR:
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3272 //TODO: Privilege check for MOVE to SR
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3273 if (src_op.mode == MODE_IMMED) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3274 dst = mov_ir(dst, src_op.disp & 0x1, FLAG_C, SZ_B);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3275 dst = mov_ir(dst, (src_op.disp >> 1) & 0x1, FLAG_V, SZ_B);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3276 dst = mov_ir(dst, (src_op.disp >> 2) & 0x1, FLAG_Z, SZ_B);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3277 dst = mov_ir(dst, (src_op.disp >> 3) & 0x1, FLAG_N, SZ_B);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3278 dst = mov_irind(dst, (src_op.disp >> 4) & 0x1, CONTEXT, SZ_B);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3279 if (inst->op == M68K_MOVE_SR) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3280 dst = mov_irdisp8(dst, (src_op.disp >> 8), CONTEXT, offsetof(m68k_context, status), SZ_B);
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3281 if (!((inst->src.params.immed >> 8) & (1 << BIT_SUPERVISOR))) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3282 //leave supervisor mode
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3283 dst = mov_rr(dst, opts->aregs[7], SCRATCH1, SZ_D);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3284 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * 8, opts->aregs[7], SZ_D);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3285 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * 8, SZ_D);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3286 }
150 3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	3287 dst = call(dst, (uint8_t *)do_sync);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3288 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3289 dst = cycles(dst, 12);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3290 } else {
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3291 if (src_op.base != SCRATCH1) {
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3292 if (src_op.mode == MODE_REG_DIRECT) {
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3293 dst = mov_rr(dst, src_op.base, SCRATCH1, SZ_W);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3294 } else {
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3295 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH1, SZ_W);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3296 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3297 }
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3298 dst = call(dst, (uint8_t *)(inst->op == M68K_MOVE_SR ? set_sr : set_ccr));
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3299 dst = cycles(dst, 12);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3300
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3301 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3302 break;
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3303 case M68K_MOVE_USP:
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3304 dst = cycles(dst, BUS);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3305 //TODO: Trap if not in supervisor mode
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3306 //dst = bt_irdisp8(dst, BIT_SUPERVISOR, CONTEXT, offsetof(m68k_context, status), SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3307 if (inst->src.addr_mode == MODE_UNUSED) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3308 if (dst_op.mode == MODE_REG_DIRECT) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3309 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * 8, dst_op.base, SZ_D);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3310 } else {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3311 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * 8, SCRATCH1, SZ_D);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3312 dst = mov_rrdisp8(dst, SCRATCH1, dst_op.base, dst_op.disp, SZ_D);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3313 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3314 } else {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3315 if (src_op.mode == MODE_REG_DIRECT) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3316 dst = mov_rrdisp8(dst, src_op.base, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * 8, SZ_D);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3317 } else {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3318 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH1, SZ_D);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3319 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * 8, SZ_D);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3320 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3321 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3322 break;
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3323 //case M68K_MOVEP:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3324 case M68K_MULS:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3325 case M68K_MULU:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3326 dst = cycles(dst, 70); //TODO: Calculate the actual value based on the value of the <ea> parameter
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3327 if (src_op.mode == MODE_IMMED) {
223 17534fb7c4f5 Fix muls with a negative immediate source. Mike Pavone <pavone@retrodev.com> parents: 221 diff changeset	3328 dst = mov_ir(dst, inst->op == M68K_MULU ? (src_op.disp & 0xFFFF) : ((src_op.disp & 0x8000) ? src_op.disp \| 0xFFFF0000 : src_op.disp), SCRATCH1, SZ_D);
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3329 } else if (src_op.mode == MODE_REG_DIRECT) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3330 if (inst->op == M68K_MULS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3331 dst = movsx_rr(dst, src_op.base, SCRATCH1, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3332 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3333 dst = movzx_rr(dst, src_op.base, SCRATCH1, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3334 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3335 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3336 if (inst->op == M68K_MULS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3337 dst = movsx_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH1, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3338 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3339 dst = movzx_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH1, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3340 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3341 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3342 if (dst_op.mode == MODE_REG_DIRECT) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3343 dst_reg = dst_op.base;
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3344 if (inst->op == M68K_MULS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3345 dst = movsx_rr(dst, dst_reg, dst_reg, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3346 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3347 dst = movzx_rr(dst, dst_reg, dst_reg, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3348 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3349 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3350 dst_reg = SCRATCH2;
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3351 if (inst->op == M68K_MULS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3352 dst = movsx_rdisp8r(dst, dst_op.base, dst_op.disp, SCRATCH2, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3353 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3354 dst = movzx_rdisp8r(dst, dst_op.base, dst_op.disp, SCRATCH2, SZ_W, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3355 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3356 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3357 dst = imul_rr(dst, SCRATCH1, dst_reg, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3358 if (dst_op.mode == MODE_REG_DISPLACE8) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3359 dst = mov_rrdisp8(dst, dst_reg, dst_op.base, dst_op.disp, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3360 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3361 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3362 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3363 dst = cmp_ir(dst, 0, dst_reg, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3364 dst = setcc_r(dst, CC_Z, FLAG_Z);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3365 dst = setcc_r(dst, CC_S, FLAG_N);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3366 break;
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3367 //case M68K_NBCD:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3368 case M68K_NEG:
173 47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3369 dst = cycles(dst, BUS);
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3370 if (dst_op.mode == MODE_REG_DIRECT) {
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3371 dst = neg_r(dst, dst_op.base, inst->extra.size);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3372 } else {
165 62b152811bae Fix certain address modes with lea when the destination is not a native register Mike Pavone <pavone@retrodev.com> parents: 162 diff changeset	3373 dst = neg_rdisp8(dst, dst_op.base, dst_op.disp, inst->extra.size);
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3374 }
173 47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3375 dst = setcc_r(dst, CC_C, FLAG_C);
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3376 dst = setcc_r(dst, CC_Z, FLAG_Z);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3377 dst = setcc_r(dst, CC_S, FLAG_N);
173 47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3378 dst = setcc_r(dst, CC_O, FLAG_V);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3379 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3380 dst = m68k_save_result(inst, dst, opts);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3381 break;
173 47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3382 case M68K_NEGX:
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3383 dst = cycles(dst, BUS);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3384 if (dst_op.mode == MODE_REG_DIRECT) {
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3385 if (dst_op.base == SCRATCH1) {
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3386 dst = push_r(dst, SCRATCH2);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3387 dst = xor_rr(dst, SCRATCH2, SCRATCH2, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3388 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3389 dst = sbb_rr(dst, dst_op.base, SCRATCH2, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3390 dst = mov_rr(dst, SCRATCH2, dst_op.base, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3391 dst = pop_r(dst, SCRATCH2);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3392 } else {
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3393 dst = xor_rr(dst, SCRATCH1, SCRATCH1, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3394 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3395 dst = sbb_rr(dst, dst_op.base, SCRATCH1, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3396 dst = mov_rr(dst, SCRATCH1, dst_op.base, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3397 }
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3398 } else {
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3399 dst = xor_rr(dst, SCRATCH1, SCRATCH1, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3400 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3401 dst = sbb_rdisp8r(dst, dst_op.base, dst_op.disp, SCRATCH1, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3402 dst = mov_rrdisp8(dst, SCRATCH1, dst_op.base, dst_op.disp, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3403 }
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3404 dst = setcc_r(dst, CC_C, FLAG_C);
209 922b59c09259 Flag fixes for div, negx and not Mike Pavone <pavone@retrodev.com> parents: 208 diff changeset	3405 dst = jcc(dst, CC_Z, dst+4);
922b59c09259 Flag fixes for div, negx and not Mike Pavone <pavone@retrodev.com> parents: 208 diff changeset	3406 dst = mov_ir(dst, 0, FLAG_Z, SZ_B);
173 47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3407 dst = setcc_r(dst, CC_S, FLAG_N);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3408 dst = setcc_r(dst, CC_O, FLAG_V);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3409 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3410 dst = m68k_save_result(inst, dst, opts);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3411 break;
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3412 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3413 case M68K_NOP:
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3414 dst = cycles(dst, BUS);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3415 break;
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3416 case M68K_NOT:
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3417 if (dst_op.mode == MODE_REG_DIRECT) {
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3418 dst = not_r(dst, dst_op.base, inst->extra.size);
209 922b59c09259 Flag fixes for div, negx and not Mike Pavone <pavone@retrodev.com> parents: 208 diff changeset	3419 dst = cmp_ir(dst, 0, dst_op.base, inst->extra.size);
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3420 } else {
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3421 dst = not_rdisp8(dst, dst_op.base, dst_op.disp, inst->extra.size);
209 922b59c09259 Flag fixes for div, negx and not Mike Pavone <pavone@retrodev.com> parents: 208 diff changeset	3422 dst = cmp_irdisp8(dst, 0, dst_op.base, dst_op.disp, inst->extra.size);
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3423 }
209 922b59c09259 Flag fixes for div, negx and not Mike Pavone <pavone@retrodev.com> parents: 208 diff changeset	3424
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3425 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3426 dst = setcc_r(dst, CC_Z, FLAG_Z);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3427 dst = setcc_r(dst, CC_S, FLAG_N);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3428 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3429 dst = m68k_save_result(inst, dst, opts);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3430 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3431 case M68K_OR:
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3432 dst = cycles(dst, BUS);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3433 if (src_op.mode == MODE_REG_DIRECT) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3434 if (dst_op.mode == MODE_REG_DIRECT) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3435 dst = or_rr(dst, src_op.base, dst_op.base, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3436 } else {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3437 dst = or_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3438 }
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3439 } else if (src_op.mode == MODE_REG_DISPLACE8) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3440 dst = or_rdisp8r(dst, src_op.base, src_op.disp, dst_op.base, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3441 } else {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3442 if (dst_op.mode == MODE_REG_DIRECT) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3443 dst = or_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3444 } else {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3445 dst = or_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3446 }
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3447 }
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3448 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3449 dst = setcc_r(dst, CC_Z, FLAG_Z);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3450 dst = setcc_r(dst, CC_S, FLAG_N);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3451 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3452 dst = m68k_save_result(inst, dst, opts);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3453 break;
106 1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3454 case M68K_ORI_CCR:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3455 case M68K_ORI_SR:
106 1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3456 dst = cycles(dst, 20);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3457 //TODO: If ANDI to SR, trap if not in supervisor mode
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3458 if (inst->src.params.immed & 0x1) {
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3459 dst = mov_ir(dst, 1, FLAG_C, SZ_B);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3460 }
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3461 if (inst->src.params.immed & 0x2) {
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3462 dst = mov_ir(dst, 1, FLAG_V, SZ_B);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3463 }
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3464 if (inst->src.params.immed & 0x4) {
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3465 dst = mov_ir(dst, 1, FLAG_Z, SZ_B);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3466 }
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3467 if (inst->src.params.immed & 0x8) {
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3468 dst = mov_ir(dst, 1, FLAG_N, SZ_B);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3469 }
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3470 if (inst->src.params.immed & 0x10) {
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3471 dst = mov_irind(dst, 1, CONTEXT, SZ_B);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3472 }
150 3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	3473 if (inst->op == M68K_ORI_SR) {
106 1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3474 dst = or_irdisp8(dst, inst->src.params.immed >> 8, CONTEXT, offsetof(m68k_context, status), SZ_B);
150 3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	3475 if (inst->src.params.immed & 0x700) {
3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	3476 dst = call(dst, (uint8_t *)do_sync);
3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	3477 }
106 1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3478 }
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3479 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	3480 case M68K_RESET:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	3481 dst = call(dst, (uint8_t *)m68k_save_context);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	3482 dst = mov_rr(dst, CONTEXT, RDI, SZ_Q);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	3483 dst = call(dst, (uint8_t *)print_regs_exit);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	3484 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3485 case M68K_ROL:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3486 case M68K_ROR:
122 0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3487 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3488 if (inst->src.addr_mode == MODE_UNUSED) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3489 dst = cycles(dst, BUS);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3490 //Memory rotate
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3491 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3492 dst = rol_ir(dst, 1, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3493 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3494 dst = ror_ir(dst, 1, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3495 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3496 dst = setcc_r(dst, CC_C, FLAG_C);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3497 dst = cmp_ir(dst, 0, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3498 dst = setcc_r(dst, CC_Z, FLAG_Z);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3499 dst = setcc_r(dst, CC_S, FLAG_N);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3500 dst = m68k_save_result(inst, dst, opts);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3501 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3502 if (src_op.mode == MODE_IMMED) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3503 dst = cycles(dst, (inst->extra.size == OPSIZE_LONG ? 8 : 6) + src_op.disp*2);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3504 if (dst_op.mode == MODE_REG_DIRECT) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3505 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3506 dst = rol_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3507 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3508 dst = ror_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3509 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3510 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3511 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3512 dst = rol_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3513 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3514 dst = ror_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3515 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3516 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3517 dst = setcc_r(dst, CC_C, FLAG_C);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3518 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3519 if (src_op.mode == MODE_REG_DIRECT) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3520 if (src_op.base != SCRATCH1) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3521 dst = mov_rr(dst, src_op.base, SCRATCH1, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3522 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3523 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3524 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH1, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3525 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3526 dst = and_ir(dst, 63, SCRATCH1, SZ_D);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3527 zero_off = dst+1;
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3528 dst = jcc(dst, CC_Z, dst+2);
122 0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3529 dst = add_rr(dst, SCRATCH1, CYCLES, SZ_D);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3530 dst = add_rr(dst, SCRATCH1, CYCLES, SZ_D);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3531 dst = cmp_ir(dst, 32, SCRATCH1, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3532 norm_off = dst+1;
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3533 dst = jcc(dst, CC_L, dst+2);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3534 if (dst_op.mode == MODE_REG_DIRECT) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3535 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3536 dst = rol_ir(dst, 31, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3537 dst = rol_ir(dst, 1, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3538 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3539 dst = ror_ir(dst, 31, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3540 dst = ror_ir(dst, 1, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3541 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3542 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3543 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3544 dst = rol_irdisp8(dst, 31, dst_op.base, dst_op.disp, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3545 dst = rol_irdisp8(dst, 1, dst_op.base, dst_op.disp, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3546 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3547 dst = ror_irdisp8(dst, 31, dst_op.base, dst_op.disp, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3548 dst = ror_irdisp8(dst, 1, dst_op.base, dst_op.disp, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3549 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3550 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3551 dst = sub_ir(dst, 32, SCRATCH1, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3552 *norm_off = dst - (norm_off+1);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3553 if (dst_op.mode == MODE_REG_DIRECT) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3554 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3555 dst = rol_clr(dst, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3556 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3557 dst = ror_clr(dst, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3558 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3559 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3560 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3561 dst = rol_clrdisp8(dst, dst_op.base, dst_op.disp, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3562 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3563 dst = ror_clrdisp8(dst, dst_op.base, dst_op.disp, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3564 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3565 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3566 dst = setcc_r(dst, CC_C, FLAG_C);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3567 end_off = dst + 1;
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3568 dst = jmp(dst, dst+2);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3569 *zero_off = dst - (zero_off+1);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3570 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3571 *end_off = dst - (end_off+1);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3572 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3573 if (dst_op.mode == MODE_REG_DIRECT) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3574 dst = cmp_ir(dst, 0, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3575 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3576 dst = cmp_irdisp8(dst, 0, dst_op.base, dst_op.disp, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3577 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3578 dst = setcc_r(dst, CC_Z, FLAG_Z);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3579 dst = setcc_r(dst, CC_S, FLAG_N);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3580 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3581 break;
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3582 case M68K_ROXL:
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3583 case M68K_ROXR:
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3584 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3585 if (inst->src.addr_mode == MODE_UNUSED) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3586 dst = cycles(dst, BUS);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3587 //Memory rotate
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3588 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3589 if (inst->op == M68K_ROXL) {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3590 dst = rcl_ir(dst, 1, dst_op.base, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3591 } else {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3592 dst = rcr_ir(dst, 1, dst_op.base, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3593 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3594 dst = setcc_r(dst, CC_C, FLAG_C);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3595 dst = cmp_ir(dst, 0, dst_op.base, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3596 dst = setcc_r(dst, CC_Z, FLAG_Z);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3597 dst = setcc_r(dst, CC_S, FLAG_N);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3598 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3599 dst = m68k_save_result(inst, dst, opts);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3600 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3601 if (src_op.mode == MODE_IMMED) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3602 dst = cycles(dst, (inst->extra.size == OPSIZE_LONG ? 8 : 6) + src_op.disp*2);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3603 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3604 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3605 if (inst->op == M68K_ROXL) {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3606 dst = rcl_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3607 } else {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3608 dst = rcr_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3609 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3610 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3611 if (inst->op == M68K_ROXL) {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3612 dst = rcl_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3613 } else {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3614 dst = rcr_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3615 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3616 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3617 dst = setcc_r(dst, CC_C, FLAG_C);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3618 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3619 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3620 if (src_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3621 if (src_op.base != SCRATCH1) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3622 dst = mov_rr(dst, src_op.base, SCRATCH1, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3623 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3624 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3625 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH1, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3626 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3627 dst = and_ir(dst, 63, SCRATCH1, SZ_D);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3628 zero_off = dst+1;
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3629 dst = jcc(dst, CC_Z, dst+2);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3630 dst = add_rr(dst, SCRATCH1, CYCLES, SZ_D);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3631 dst = add_rr(dst, SCRATCH1, CYCLES, SZ_D);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3632 dst = cmp_ir(dst, 32, SCRATCH1, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3633 norm_off = dst+1;
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3634 dst = jcc(dst, CC_L, dst+2);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3635 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3636 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3637 if (inst->op == M68K_ROXL) {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3638 dst = rcl_ir(dst, 31, dst_op.base, inst->extra.size);
301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3639 dst = rcl_ir(dst, 1, dst_op.base, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3640 } else {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3641 dst = rcr_ir(dst, 31, dst_op.base, inst->extra.size);
301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3642 dst = rcr_ir(dst, 1, dst_op.base, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3643 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3644 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3645 if (inst->op == M68K_ROXL) {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3646 dst = rcl_irdisp8(dst, 31, dst_op.base, dst_op.disp, inst->extra.size);
301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3647 dst = rcl_irdisp8(dst, 1, dst_op.base, dst_op.disp, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3648 } else {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3649 dst = rcr_irdisp8(dst, 31, dst_op.base, dst_op.disp, inst->extra.size);
301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3650 dst = rcr_irdisp8(dst, 1, dst_op.base, dst_op.disp, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3651 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3652 }
225 7348057e7a8c Fixed a couple bugs in roxl/roxr. X flag wasn't being saved properly and rotates of more than 31 bits were messed up as the X flag was being thrown away between the first 31 bits of rotate and the rest. Mike Pavone <pavone@retrodev.com> parents: 223 diff changeset	3653 dst = setcc_rind(dst, CC_C, CONTEXT);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3654 dst = sub_ir(dst, 32, SCRATCH1, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3655 *norm_off = dst - (norm_off+1);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3656 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3657 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3658 if (inst->op == M68K_ROXL) {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3659 dst = rcl_clr(dst, dst_op.base, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3660 } else {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3661 dst = rcr_clr(dst, dst_op.base, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3662 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3663 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3664 if (inst->op == M68K_ROXL) {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3665 dst = rcl_clrdisp8(dst, dst_op.base, dst_op.disp, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3666 } else {
157 301470eb870b Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction. Mike Pavone <pavone@retrodev.com> parents: 156 diff changeset	3667 dst = rcr_clrdisp8(dst, dst_op.base, dst_op.disp, inst->extra.size);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3668 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3669 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3670 dst = setcc_r(dst, CC_C, FLAG_C);
225 7348057e7a8c Fixed a couple bugs in roxl/roxr. X flag wasn't being saved properly and rotates of more than 31 bits were messed up as the X flag was being thrown away between the first 31 bits of rotate and the rest. Mike Pavone <pavone@retrodev.com> parents: 223 diff changeset	3671 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3672 end_off = dst + 1;
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3673 dst = jmp(dst, dst+2);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3674 *zero_off = dst - (zero_off+1);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3675 //Carry flag is set to X flag when count is 0, this is different from ROR/ROL
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3676 dst = mov_rindr(dst, CONTEXT, FLAG_C, SZ_B);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3677 *end_off = dst - (end_off+1);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3678 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3679 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3680 dst = cmp_ir(dst, 0, dst_op.base, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3681 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3682 dst = cmp_irdisp8(dst, 0, dst_op.base, dst_op.disp, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3683 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3684 dst = setcc_r(dst, CC_Z, FLAG_Z);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3685 dst = setcc_r(dst, CC_S, FLAG_N);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3686 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3687 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3688 case M68K_RTE:
170 7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3689 //TODO: Trap if not in system mode
175 7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 174 diff changeset	3690 //Read saved SR
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3691 dst = mov_rr(dst, opts->aregs[7], SCRATCH1, SZ_D);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3692 dst = call(dst, (uint8_t *)m68k_read_word_scratch1);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3693 dst = add_ir(dst, 2, opts->aregs[7], SZ_D);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3694 dst = call(dst, (uint8_t *)set_sr);
178 48eb62ba63bc Fix order of reading saved pc and swapping user and system stack pointers Mike Pavone <pavone@retrodev.com> parents: 177 diff changeset	3695 //Read saved PC
48eb62ba63bc Fix order of reading saved pc and swapping user and system stack pointers Mike Pavone <pavone@retrodev.com> parents: 177 diff changeset	3696 dst = mov_rr(dst, opts->aregs[7], SCRATCH1, SZ_D);
48eb62ba63bc Fix order of reading saved pc and swapping user and system stack pointers Mike Pavone <pavone@retrodev.com> parents: 177 diff changeset	3697 dst = call(dst, (uint8_t *)m68k_read_long_scratch1);
48eb62ba63bc Fix order of reading saved pc and swapping user and system stack pointers Mike Pavone <pavone@retrodev.com> parents: 177 diff changeset	3698 dst = add_ir(dst, 4, opts->aregs[7], SZ_D);
175 7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 174 diff changeset	3699 //Check if we've switched to user mode and swap stack pointers if needed
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3700 dst = bt_irdisp8(dst, 5, CONTEXT, offsetof(m68k_context, status), SZ_B);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3701 end_off = dst+1;
121 f848aad2abef Fix logic for switching between USP and SSP Mike Pavone <pavone@retrodev.com> parents: 119 diff changeset	3702 dst = jcc(dst, CC_C, dst+2);
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3703 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3704 dst = mov_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * 8, opts->aregs[7], SZ_D);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3705 dst = mov_rrdisp8(dst, SCRATCH2, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * 8, SZ_D);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3706 *end_off = dst - (end_off+1);
175 7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 174 diff changeset	3707 //Get native address, sync components, recalculate integer points and jump to returned address
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3708 dst = call(dst, (uint8_t *)m68k_native_addr_and_sync);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3709 dst = jmp_r(dst, SCRATCH1);
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3710 break;
170 7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3711 case M68K_RTR:
175 7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 174 diff changeset	3712 //Read saved CCR
170 7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3713 dst = mov_rr(dst, opts->aregs[7], SCRATCH1, SZ_D);
7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3714 dst = call(dst, (uint8_t *)m68k_read_word_scratch1);
7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3715 dst = add_ir(dst, 2, opts->aregs[7], SZ_D);
7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3716 dst = call(dst, (uint8_t *)set_ccr);
175 7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 174 diff changeset	3717 //Read saved PC
7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 174 diff changeset	3718 dst = mov_rr(dst, opts->aregs[7], SCRATCH1, SZ_D);
7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 174 diff changeset	3719 dst = call(dst, (uint8_t *)m68k_read_long_scratch1);
7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 174 diff changeset	3720 dst = add_ir(dst, 4, opts->aregs[7], SZ_D);
7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 174 diff changeset	3721 //Get native address and jump to it
7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 174 diff changeset	3722 dst = call(dst, (uint8_t *)m68k_native_addr);
170 7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3723 dst = jmp_r(dst, SCRATCH1);
7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3724 break;
194 811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3725 case M68K_SBCD:
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3726 if (src_op.base != SCRATCH2) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3727 if (src_op.mode == MODE_REG_DIRECT) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3728 dst = mov_rr(dst, src_op.base, SCRATCH2, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3729 } else {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3730 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH2, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3731 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3732 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3733 if (dst_op.base != SCRATCH1) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3734 if (dst_op.mode == MODE_REG_DIRECT) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3735 dst = mov_rr(dst, dst_op.base, SCRATCH1, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3736 } else {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3737 dst = mov_rdisp8r(dst, dst_op.base, dst_op.disp, SCRATCH1, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3738 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3739 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3740 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3741 dst = jcc(dst, CC_NC, dst+5);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3742 dst = sub_ir(dst, 1, SCRATCH1, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3743 dst = call(dst, (uint8_t *)bcd_sub);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3744 dst = mov_rr(dst, CH, FLAG_C, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3745 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3746 dst = cmp_ir(dst, 0, SCRATCH1, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3747 dst = jcc(dst, CC_Z, dst+4);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3748 dst = mov_ir(dst, 0, FLAG_Z, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3749 if (dst_op.base != SCRATCH1) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3750 if (dst_op.mode == MODE_REG_DIRECT) {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3751 dst = mov_rr(dst, SCRATCH1, dst_op.base, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3752 } else {
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3753 dst = mov_rrdisp8(dst, SCRATCH1, dst_op.base, dst_op.disp, SZ_B);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3754 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3755 }
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3756 dst = m68k_save_result(inst, dst, opts);
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3757 break;
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source. Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	3758 /*case M68K_STOP:
70 cebd0b5ac7f0 Make the translator bail out if it hits an instruction I haven't implemented yet Mike Pavone <pavone@retrodev.com> parents: 67 diff changeset	3759 break;*/
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3760 case M68K_SUB:
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3761 size = inst->dst.addr_mode == MODE_AREG ? OPSIZE_LONG : inst->extra.size;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3762 dst = cycles(dst, BUS);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3763 if (src_op.mode == MODE_REG_DIRECT) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3764 if (dst_op.mode == MODE_REG_DIRECT) {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3765 dst = sub_rr(dst, src_op.base, dst_op.base, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3766 } else {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3767 dst = sub_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3768 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3769 } else if (src_op.mode == MODE_REG_DISPLACE8) {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3770 dst = sub_rdisp8r(dst, src_op.base, src_op.disp, dst_op.base, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3771 } else {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3772 if (dst_op.mode == MODE_REG_DIRECT) {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3773 dst = sub_ir(dst, src_op.disp, dst_op.base, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3774 } else {
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3775 dst = sub_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, size);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3776 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3777 }
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3778 if (inst->dst.addr_mode != MODE_AREG) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3779 dst = setcc_r(dst, CC_C, FLAG_C);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3780 dst = setcc_r(dst, CC_Z, FLAG_Z);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3781 dst = setcc_r(dst, CC_S, FLAG_N);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3782 dst = setcc_r(dst, CC_O, FLAG_V);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3783 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3784 }
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3785 dst = m68k_save_result(inst, dst, opts);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3786 break;
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3787 case M68K_SUBX:
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3788 dst = cycles(dst, BUS);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3789 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3790 if (src_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3791 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3792 dst = sbb_rr(dst, src_op.base, dst_op.base, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3793 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3794 dst = sbb_rrdisp8(dst, src_op.base, dst_op.base, dst_op.disp, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3795 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3796 } else if (src_op.mode == MODE_REG_DISPLACE8) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3797 dst = sbb_rdisp8r(dst, src_op.base, src_op.disp, dst_op.base, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3798 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3799 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3800 dst = sbb_ir(dst, src_op.disp, dst_op.base, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3801 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3802 dst = sbb_irdisp8(dst, src_op.disp, dst_op.base, dst_op.disp, inst->extra.size);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3803 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3804 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3805 dst = setcc_r(dst, CC_C, FLAG_C);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3806 dst = jcc(dst, CC_Z, dst+4);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3807 dst = mov_ir(dst, 0, FLAG_Z, SZ_B);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3808 dst = setcc_r(dst, CC_S, FLAG_N);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3809 dst = setcc_r(dst, CC_O, FLAG_V);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3810 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3811 dst = m68k_save_result(inst, dst, opts);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3812 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3813 case M68K_SWAP:
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3814 dst = cycles(dst, BUS);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3815 if (src_op.mode == MODE_REG_DIRECT) {
129 691e4b147cea Fix swap Mike Pavone <pavone@retrodev.com> parents: 128 diff changeset	3816 dst = rol_ir(dst, 16, src_op.base, SZ_D);
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3817 } else{
129 691e4b147cea Fix swap Mike Pavone <pavone@retrodev.com> parents: 128 diff changeset	3818 dst = rol_irdisp8(dst, 16, src_op.base, src_op.disp, SZ_D);
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3819 }
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3820 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3821 dst = setcc_r(dst, CC_Z, FLAG_Z);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3822 dst = setcc_r(dst, CC_S, FLAG_N);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3823 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3824 break;
152 79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	3825 //case M68K_TAS:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3826 case M68K_TRAP:
226 28a6697e847b Implement CHK instruction (not fully tested). Mike Pavone <pavone@retrodev.com> parents: 225 diff changeset	3827 dst = mov_ir(dst, src_op.disp + VECTOR_TRAP_0, SCRATCH2, SZ_D);
183 2f08d9e90a4c Fix (a7)+ src when size is byte, fix trap return address, make div with areg src decoded to invalid Mike Pavone <pavone@retrodev.com> parents: 182 diff changeset	3828 dst = mov_ir(dst, inst->address+2, SCRATCH1, SZ_D);
152 79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	3829 dst = jmp(dst, (uint8_t *)m68k_trap);
79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	3830 break;
79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	3831 //case M68K_TRAPV:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3832 case M68K_TST:
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3833 dst = cycles(dst, BUS);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3834 if (src_op.mode == MODE_REG_DIRECT) {
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3835 dst = cmp_ir(dst, 0, src_op.base, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3836 } else { //M68000 doesn't support immedate operand for tst, so this must be MODE_REG_DISPLACE8
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3837 dst = cmp_irdisp8(dst, 0, src_op.base, src_op.disp, inst->extra.size);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3838 }
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3839 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3840 dst = setcc_r(dst, CC_Z, FLAG_Z);
d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3841 dst = setcc_r(dst, CC_S, FLAG_N);
181 3b4ef459aa8d Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions Mike Pavone <pavone@retrodev.com> parents: 179 diff changeset	3842 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
49 d2e43d64e999 Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations Mike Pavone <pavone@retrodev.com> parents: 46 diff changeset	3843 break;
78 463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3844 case M68K_UNLK:
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3845 dst = cycles(dst, BUS);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3846 if (dst_op.mode == MODE_REG_DIRECT) {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3847 dst = mov_rr(dst, dst_op.base, opts->aregs[7], SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3848 } else {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3849 dst = mov_rdisp8r(dst, dst_op.base, dst_op.disp, opts->aregs[7], SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3850 }
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3851 dst = mov_rr(dst, opts->aregs[7], SCRATCH1, SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3852 dst = call(dst, (uint8_t *)m68k_read_long_scratch1);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3853 if (dst_op.mode == MODE_REG_DIRECT) {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3854 dst = mov_rr(dst, SCRATCH1, dst_op.base, SZ_D);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3855 } else {
93 f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	3856 dst = mov_rrdisp8(dst, SCRATCH1, dst_op.base, dst_op.disp, SZ_D);
78 463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3857 }
93 f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	3858 dst = add_ir(dst, 4, opts->aregs[7], SZ_D);
78 463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3859 break;
70 cebd0b5ac7f0 Make the translator bail out if it hits an instruction I haven't implemented yet Mike Pavone <pavone@retrodev.com> parents: 67 diff changeset	3860 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3861 m68k_disasm(inst, disasm_buf);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3862 printf("%X: %s\ninstruction %d not yet implemented\n", inst->address, disasm_buf, inst->op);
70 cebd0b5ac7f0 Make the translator bail out if it hits an instruction I haven't implemented yet Mike Pavone <pavone@retrodev.com> parents: 67 diff changeset	3863 exit(1);
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3864 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3865 return dst;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3866 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3867
319 0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3868 uint8_t m68k_is_terminal(m68kinst * inst)
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3869 {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3870 return inst->op == M68K_RTS \|\| inst->op == M68K_RTE \|\| inst->op == M68K_RTR \|\| inst->op == M68K_JMP
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3871 \|\| inst->op == M68K_TRAP \|\| inst->op == M68K_ILLEGAL \|\| inst->op == M68K_INVALID \|\| inst->op == M68K_RESET
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3872 \|\| (inst->op == M68K_BCC && inst->extra.cond == COND_TRUE);
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3873 }
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3874
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3875 void m68k_handle_deferred(m68k_context * context)
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3876 {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3877 x86_68k_options * opts = context->options;
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3878 process_deferred(&opts->deferred, context, (native_addr_func)get_native_from_context);
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3879 if (opts->deferred) {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3880 translate_m68k_stream(opts->deferred->address, context);
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3881 }
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3882 }
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3883
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3884 uint8_t * translate_m68k_stream(uint32_t address, m68k_context * context)
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3885 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3886 m68kinst instbuf;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3887 x86_68k_options * opts = context->options;
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3888 uint8_t * dst = opts->cur_code;
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3889 uint8_t * dst_end = opts->code_end;
188 062e3aa549eb Fix movem.w when dest is register list Mike Pavone <pavone@retrodev.com> parents: 187 diff changeset	3890 address &= 0xFFFFFF;
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3891 if(get_native_address(opts->native_code_map, address)) {
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3892 return dst;
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	3893 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3894 char disbuf[1024];
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3895 uint16_t encoded, next;
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3896 if ((address & 0xFFFFFF) < 0x400000) {
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3897 encoded = context->mem_pointers[0] + (address & 0xFFFFFF)/2;
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3898 } else if ((address & 0xFFFFFF) > 0xE00000) {
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3899 encoded = context->mem_pointers[1] + (address & 0xFFFF)/2;
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3900 } else {
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3901 printf("attempt to translate non-memory address: %X\n", address);
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3902 exit(1);
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3903 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3904 do {
197 7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler Mike Pavone <pavone@retrodev.com> parents: 196 diff changeset	3905 if (opts->address_log) {
7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler Mike Pavone <pavone@retrodev.com> parents: 196 diff changeset	3906 fprintf(opts->address_log, "%X\n", address);
7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler Mike Pavone <pavone@retrodev.com> parents: 196 diff changeset	3907 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3908 do {
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3909 if (dst_end-dst < MAX_NATIVE_SIZE) {
102 bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3910 if (dst_end-dst < 5) {
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3911 puts("out of code memory, not enough space for jmp to next chunk");
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3912 exit(1);
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3913 }
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3914 size_t size = 1024*1024;
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3915 opts->cur_code = alloc_code(&size);
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3916 opts->code_end = opts->cur_code + size;
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3917 jmp(dst, opts->cur_code);
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3918 dst = opts->cur_code;
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3919 dst_end = opts->code_end;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3920 }
159 c1530501c215 FIx movem when src is reg list and dst is not a areg predec mode Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	3921 if (address >= 0x400000 && address < 0xE00000) {
c1530501c215 FIx movem when src is reg list and dst is not a areg predec mode Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	3922 dst = xor_rr(dst, RDI, RDI, SZ_D);
c1530501c215 FIx movem when src is reg list and dst is not a areg predec mode Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	3923 dst = call(dst, (uint8_t *)exit);
c1530501c215 FIx movem when src is reg list and dst is not a areg predec mode Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	3924 break;
c1530501c215 FIx movem when src is reg list and dst is not a areg predec mode Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	3925 }
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3926 uint8_t * existing = get_native_address(opts->native_code_map, address);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3927 if (existing) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3928 dst = jmp(dst, existing);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3929 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	3930 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3931 next = m68k_decode(encoded, &instbuf, address);
208 3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 207 diff changeset	3932 if (instbuf.op == M68K_INVALID) {
3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 207 diff changeset	3933 instbuf.src.params.immed = *encoded;
3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 207 diff changeset	3934 }
192 1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	3935 uint16_t m68k_size = (next-encoded)*2;
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	3936 address += m68k_size;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3937 encoded = next;
150 3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	3938 //m68k_disasm(&instbuf, disbuf);
3e68e517cc01 Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed. Mike Pavone <pavone@retrodev.com> parents: 146 diff changeset	3939 //printf("%X: %s\n", instbuf.address, disbuf);
192 1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	3940 uint8_t * after = translate_m68k(dst, &instbuf, opts);
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	3941 map_native_address(context, instbuf.address, dst, m68k_size, after-dst);
1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	3942 dst = after;
319 0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3943 } while(!m68k_is_terminal(&instbuf));
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 228 diff changeset	3944 process_deferred(&opts->deferred, context, (native_addr_func)get_native_from_context);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3945 if (opts->deferred) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3946 address = opts->deferred->address;
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3947 if ((address & 0xFFFFFF) < 0x400000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3948 encoded = context->mem_pointers[0] + (address & 0xFFFFFF)/2;
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3949 } else if ((address & 0xFFFFFF) > 0xE00000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3950 encoded = context->mem_pointers[1] + (address & 0xFFFF)/2;
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3951 } else {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3952 printf("attempt to translate non-memory address: %X\n", address);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3953 exit(1);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3954 }
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3955 } else {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3956 encoded = NULL;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3957 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3958 } while(encoded != NULL);
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3959 opts->cur_code = dst;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3960 return dst;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3961 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3962
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3963 uint8_t * get_native_address_trans(m68k_context * context, uint32_t address)
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3964 {
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3965 address &= 0xFFFFFF;
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3966 uint8_t * ret = get_native_address(context->native_code_map, address);
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3967 if (!ret) {
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3968 translate_m68k_stream(address, context);
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3969 ret = get_native_address(context->native_code_map, address);
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3970 }
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3971 return ret;
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3972 }
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	3973
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3974 void * m68k_retranslate_inst(uint32_t address, m68k_context * context)
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3975 {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3976 x86_68k_options * opts = context->options;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3977 uint8_t orig_size = get_native_inst_size(opts, address);
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3978 uint8_t * orig_start = get_native_address(context->native_code_map, address);
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3979 uint32_t orig = address;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3980 address &= 0xFFFF;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3981 uint8_t * dst = opts->cur_code;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3982 uint8_t * dst_end = opts->code_end;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3983 uint16_t after, inst = context->mem_pointers[1] + address/2;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3984 m68kinst instbuf;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3985 after = m68k_decode(inst, &instbuf, orig);
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3986 if (orig_size != MAX_NATIVE_SIZE) {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3987 if (dst_end - dst < 128) {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3988 size_t size = 1024*1024;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3989 dst = alloc_code(&size);
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3990 opts->code_end = dst_end = dst + size;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3991 opts->cur_code = dst;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3992 }
319 0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3993 deferred_addr * orig_deferred = opts->deferred;
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3994 uint8_t * native_end = translate_m68k(dst, &instbuf, opts);
319 0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3995 uint8_t is_terminal = m68k_is_terminal(&instbuf);
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	3996 if ((native_end - dst) <= orig_size) {
319 0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3997 uint8_t * native_next;
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3998 if (!is_terminal) {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	3999 native_next = get_native_address(context->native_code_map, orig + (after-inst)*2);
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4000 }
319 0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4001 if (is_terminal \|\| (native_next && ((native_next == orig_start + orig_size) \|\| (orig_size - (native_end - dst)) > 5))) {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4002 remove_deferred_until(&opts->deferred, orig_deferred);
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4003 native_end = translate_m68k(orig_start, &instbuf, opts);
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4004 if (!is_terminal) {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4005 if (native_next == orig_start + orig_size && (native_next-native_end) < 2) {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4006 while (native_end < orig_start + orig_size) {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4007 *(native_end++) = 0x90; //NOP
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4008 }
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4009 } else {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4010 jmp(native_end, native_next);
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4011 }
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4012 }
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4013 m68k_handle_deferred(context);
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4014 return orig_start;
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4015 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4016 }
319 0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4017
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4018 map_native_address(context, instbuf.address, dst, (after-inst)*2, MAX_NATIVE_SIZE);
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4019 opts->cur_code = dst+MAX_NATIVE_SIZE;
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4020 jmp(orig_start, dst);
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4021 if (!m68k_is_terminal(&instbuf)) {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4022 jmp(native_end, get_native_address_trans(context, orig + (after-inst)*2));
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4023 }
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4024 m68k_handle_deferred(context);
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4025 return dst;
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4026 } else {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4027 dst = translate_m68k(orig_start, &instbuf, opts);
319 0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4028 if (!m68k_is_terminal(&instbuf)) {
0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4029 dst = jmp(dst, get_native_address_trans(context, orig + (after-inst)*2));
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4030 }
319 0bcab0475a7f Port instruction retranslation improvements from Z80 core to M68K core Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	4031 m68k_handle_deferred(context);
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4032 return orig_start;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4033 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4034 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4035
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4036 m68k_context * m68k_handle_code_write(uint32_t address, m68k_context * context)
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4037 {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4038 uint32_t inst_start = get_instruction_start(context->native_code_map, address \| 0xFF0000);
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4039 if (inst_start) {
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4040 uint8_t * dst = get_native_address(context->native_code_map, inst_start);
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4041 dst = mov_ir(dst, inst_start, SCRATCH2, SZ_D);
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4042 dst = jmp(dst, (uint8_t *)m68k_retrans_stub);
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4043 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4044 return context;
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4045 }
c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4046
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4047 void insert_breakpoint(m68k_context * context, uint32_t address, uint8_t * bp_handler)
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4048 {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4049 static uint8_t * bp_stub = NULL;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4050 uint8_t * native = get_native_address_trans(context, address);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4051 uint8_t * start_native = native;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4052 native = mov_ir(native, address, SCRATCH1, SZ_D);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4053 if (!bp_stub) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4054 x86_68k_options * opts = context->options;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4055 uint8_t * dst = opts->cur_code;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4056 uint8_t * dst_end = opts->code_end;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4057 if (dst_end - dst < 128) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4058 size_t size = 1024*1024;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4059 dst = alloc_code(&size);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4060 opts->code_end = dst_end = dst + size;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4061 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4062 bp_stub = dst;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4063 native = call(native, bp_stub);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4064
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4065 //Calculate length of prologue
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4066 dst = check_cycles_int(dst, address);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4067 int check_int_size = dst-bp_stub;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4068 dst = bp_stub;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4069
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4070 //Save context and call breakpoint handler
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4071 dst = call(dst, (uint8_t *)m68k_save_context);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4072 dst = push_r(dst, SCRATCH1);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4073 dst = mov_rr(dst, CONTEXT, RDI, SZ_Q);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4074 dst = mov_rr(dst, SCRATCH1, RSI, SZ_D);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4075 dst = call(dst, bp_handler);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4076 dst = mov_rr(dst, RAX, CONTEXT, SZ_Q);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4077 //Restore context
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4078 dst = call(dst, (uint8_t *)m68k_load_context);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4079 dst = pop_r(dst, SCRATCH1);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4080 //do prologue stuff
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4081 dst = cmp_rr(dst, CYCLES, LIMIT, SZ_D);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4082 uint8_t * jmp_off = dst+1;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4083 dst = jcc(dst, CC_NC, dst + 7);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4084 dst = call(dst, (uint8_t *)handle_cycle_limit_int);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4085 *jmp_off = dst - (jmp_off+1);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4086 //jump back to body of translated instruction
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4087 dst = pop_r(dst, SCRATCH1);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4088 dst = add_ir(dst, check_int_size - (native-start_native), SCRATCH1, SZ_Q);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4089 dst = jmp_r(dst, SCRATCH1);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4090 opts->cur_code = dst;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4091 } else {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4092 native = call(native, bp_stub);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4093 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4094 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4095
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4096 void remove_breakpoint(m68k_context * context, uint32_t address)
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4097 {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4098 uint8_t * native = get_native_address(context->native_code_map, address);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4099 check_cycles_int(native, address);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4100 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 183 diff changeset	4101
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4102 void start_68k_context(m68k_context * context, uint32_t address)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4103 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4104 uint8_t * addr = get_native_address(context->native_code_map, address);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4105 m68k_start_context(addr, context);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4106 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4107
19 4717146a7606 Initial support for M68k reset vector, rather than starting at an arbitrary address Mike Pavone <pavone@retrodev.com> parents: 18 diff changeset	4108 void m68k_reset(m68k_context * context)
4717146a7606 Initial support for M68k reset vector, rather than starting at an arbitrary address Mike Pavone <pavone@retrodev.com> parents: 18 diff changeset	4109 {
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	4110 //TODO: Make this actually use the normal read functions
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	4111 context->aregs[7] = context->mem_pointers[0][0] << 16 \| context->mem_pointers[0][1];
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	4112 uint32_t address = context->mem_pointers[0][2] << 16 \| context->mem_pointers[0][3];
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	4113 start_68k_context(context, address);
19 4717146a7606 Initial support for M68k reset vector, rather than starting at an arbitrary address Mike Pavone <pavone@retrodev.com> parents: 18 diff changeset	4114 }
4717146a7606 Initial support for M68k reset vector, rather than starting at an arbitrary address Mike Pavone <pavone@retrodev.com> parents: 18 diff changeset	4115
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4116 void init_x86_68k_opts(x86_68k_options * opts)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4117 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4118 opts->flags = 0;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4119 for (int i = 0; i < 8; i++)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4120 opts->dregs[i] = opts->aregs[i] = -1;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4121 opts->dregs[0] = R10;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4122 opts->dregs[1] = R11;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4123 opts->dregs[2] = R12;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4124 opts->aregs[0] = R13;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4125 opts->aregs[1] = R14;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4126 opts->aregs[7] = R15;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4127 opts->native_code_map = malloc(sizeof(native_map_slot) * NATIVE_MAP_CHUNKS);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4128 memset(opts->native_code_map, 0, sizeof(native_map_slot) * NATIVE_MAP_CHUNKS);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4129 opts->deferred = NULL;
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	4130 size_t size = 1024 * 1024;
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	4131 opts->cur_code = alloc_code(&size);
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 93 diff changeset	4132 opts->code_end = opts->cur_code + size;
192 1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 188 diff changeset	4133 opts->ram_inst_sizes = malloc(sizeof(uint8_t ) 64);
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	4134 memset(opts->ram_inst_sizes, 0, sizeof(uint8_t ) 64);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4135 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4136
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4137 void init_68k_context(m68k_context * context, native_map_slot * native_code_map, void * opts)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4138 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4139 memset(context, 0, sizeof(m68k_context));
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4140 context->native_code_map = native_code_map;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4141 context->options = opts;
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 81 diff changeset	4142 context->int_cycle = 0xFFFFFFFF;
167 f6c7fea1ecf7 Initialize status register to proper value on startup Mike Pavone <pavone@retrodev.com> parents: 165 diff changeset	4143 context->status = 0x27;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4144 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	4145

Mercurial > repos > blastem

annotate m68k_to_x86.c @ 319:0bcab0475a7f