repos/blastem: m68k_to_x86.c annotate

annotate m68k_to_x86.c @ 183:2f08d9e90a4c

Fix (a7)+ src when size is byte, fix trap return address, make div with areg src decoded to invalid

author	Mike Pavone <pavone@retrodev.com>
date	Wed, 09 Jan 2013 22:31:07 -0800
parents	924af8b2f7a0
children	ebcbdd1c4cc8

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"
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	3 #include "mem.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	4 #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	5 #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	6 #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	7 #include <string.h>
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	8
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	9 #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	10 #define PREDEC_PENALTY 2
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	11 #define CYCLES RAX
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	12 #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	13 #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	14 #define SCRATCH2 RDI
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	15 #define CONTEXT RSI
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	16
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	17 #define FLAG_N RBX
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	18 #define FLAG_V BH
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	19 #define FLAG_Z RDX
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	20 #define FLAG_C DH
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	21
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	22 typedef struct {
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	23 int32_t disp;
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	24 uint8_t mode;
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	25 uint8_t base;
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	26 uint8_t index;
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	27 uint8_t cycles;
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	28 } x86_ea;
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	29
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	30 char disasm_buf[1024];
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	31
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	32 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	33 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	34 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	35 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	36 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	37 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	38 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	39 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	40 void 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	41 void m68k_modified_ret_addr();
53 44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	42 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	43 void m68k_native_addr_and_sync();
152 79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	44 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	45 void m68k_invalid();
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	46 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	47 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	48 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	49 void do_sync();
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	50 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	51
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	52 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	53 {
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	54 dst = add_ir(dst, num, CYCLES, SZ_D);
118 d9ff99ef5533 cycles should return dst Mike Pavone <pavone@retrodev.com> parents: 116 diff changeset	55 return dst;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	56 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	57
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	58 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	59 {
87 60b5c9e2f4e0 vertical interrupts now work Mike Pavone <pavone@retrodev.com> parents: 86 diff changeset	60 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	61 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	62 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	63 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	64 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	65 *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	66 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	67 }
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	68
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	69 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	70 {
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	71 if (op->addr_mode == MODE_REG) {
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	72 return opts->dregs[op->params.regs.pri];
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	73 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	74 if (op->addr_mode == MODE_AREG) {
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	75 return opts->aregs[op->params.regs.pri];
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 return -1;
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	78 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	79
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	80 //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	81 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	82 {
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	83 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	84 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	85 }
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	86 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	87 }
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	88
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	89 void print_regs_exit(m68k_context * context)
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	90 {
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	91 printf("XNVZC\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	92 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	93 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	94 }
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 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	96 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	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 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	99 }
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 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	102 {
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 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	104 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	105 int32_t dec_amount,inc_amount;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	106 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	107 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	108 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	109 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	110 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	111 } 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	112 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	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 return out;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	115 }
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	116 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	117 {
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 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	119 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	120 //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	121 //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	122 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	123 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	124 \|\| inst->op == M68K_EXG) {
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	125
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	126 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	127 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	128 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	129 } 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	130 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	131 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	132 } 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	133 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	134 }
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	135 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	136 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	137 //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	138 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	139 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	140 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	141 case MODE_AREG_PREDEC:
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 dec_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : 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	143 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	144 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	145 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	146 } else {
158 a2ab895d9708 Fix predec address mode when used as source Mike Pavone <pavone@retrodev.com> parents: 157 diff changeset	147 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	148 }
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 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	150 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	151 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	152 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	153 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	154 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	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 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	157 {
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 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	159 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	160 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	161 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	162 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	163 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	164 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	165 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	166 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	167 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	168
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 (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	170 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	171 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	172 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	173 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	174 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	175 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	176 }
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 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	178 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	179 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	180 case MODE_AREG_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	181 out = cycles(out, BUS);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	182 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	183 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	184 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	185 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	186 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	187 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	188 switch (inst->extra.size)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	189 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	190 case OPSIZE_BYTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	191 out = call(out, (char *)m68k_read_byte_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	192 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	193 case OPSIZE_WORD:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	194 out = call(out, (char *)m68k_read_word_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	195 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	196 case OPSIZE_LONG:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	197 out = call(out, (char *)m68k_read_long_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	198 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	199 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	200 ea->mode = MODE_REG_DIRECT;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	201 ea->base = SCRATCH1;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	202 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	203 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	204 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	205 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	206 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	207 } 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	208 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	209 }
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 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	211 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	212 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	213 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	214 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	215 } 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	216 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	217 }
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 } 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	219 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	220 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	221 } 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	222 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	223 }
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 }
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 } 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	226 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	227 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	228 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	229 } 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	230 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	231 }
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 } 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	233 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	234 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	235 } 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	236 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	237 }
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 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	240 }
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 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	242 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	243 }
97 c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	244 switch (inst->extra.size)
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	245 {
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	246 case OPSIZE_BYTE:
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	247 out = call(out, (char *)m68k_read_byte_scratch1);
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	248 break;
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	249 case OPSIZE_WORD:
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	250 out = call(out, (char *)m68k_read_word_scratch1);
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	251 break;
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	252 case OPSIZE_LONG:
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	253 out = call(out, (char *)m68k_read_long_scratch1);
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	254 break;
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	255 }
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	256 ea->mode = MODE_REG_DIRECT;
c7185fd840fc Fix address register indexed addressing (probably) Mike Pavone <pavone@retrodev.com> parents: 96 diff changeset	257 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	258 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	259 case MODE_PC_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	260 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	261 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	262 switch (inst->extra.size)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	263 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	264 case OPSIZE_BYTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	265 out = call(out, (char *)m68k_read_byte_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	266 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	267 case OPSIZE_WORD:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	268 out = call(out, (char *)m68k_read_word_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	269 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	270 case OPSIZE_LONG:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	271 out = call(out, (char *)m68k_read_long_scratch1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	272 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	273 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	274 ea->mode = MODE_REG_DIRECT;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	275 ea->base = SCRATCH1;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	276 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	277 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	278 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	279 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	280 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	281 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	282 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	283 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	284 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	285 } 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	286 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	287 }
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 } 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	289 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	290 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	291 } 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	292 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	293 }
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 }
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 } 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	296 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	297 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	298 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	299 } 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	300 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	301 }
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 } 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	303 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	304 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	305 } 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	306 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	307 }
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 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	310 }
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 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	312 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	313 }
96 f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	314 switch (inst->extra.size)
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	315 {
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	316 case OPSIZE_BYTE:
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	317 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	318 break;
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	319 case OPSIZE_WORD:
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	320 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	321 break;
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	322 case OPSIZE_LONG:
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	323 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	324 break;
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	325 }
f894f85cf39d Fix pc indexed addressing (probably) when used as a source Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	326 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	327 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	328 break;
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	329 case MODE_ABSOLUTE:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	330 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	331 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	332 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	333 } else {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	334 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	335 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	336 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	337 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	338 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	339 case OPSIZE_BYTE:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	340 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	341 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	342 case OPSIZE_WORD:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	343 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	344 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	345 case OPSIZE_LONG:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	346 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	347 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	348 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	349 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	350 ea->base = SCRATCH1;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	351 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	352 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	353 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	354 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	355 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	356 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	357 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	358 ea->disp = inst->src.params.immed;
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	359 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	360 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	361 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	362 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	363 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	364 }
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	365 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	366 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	367 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	368 } 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	369 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	370 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	371 }
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 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	373 }
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	374 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	375 }
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
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	377 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	378 {
98 104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	379 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	380 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	381 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	382 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	383 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	384 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	385 }
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 switch (inst->dst.addr_mode)
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	387 {
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	388 case MODE_REG:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	389 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	390 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	391 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	392 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	393 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	394 case MODE_AREG_PREDEC:
182 924af8b2f7a0 Fix -(a7) dest when size is byte Mike Pavone <pavone@retrodev.com> parents: 181 diff changeset	395 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	396 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	397 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	398 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	399 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	400 }
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 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	402 case MODE_AREG_POSTINC:
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	403 if (fake_read) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	404 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	405 } else {
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	406 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	407 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	408 } else {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	409 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	410 }
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	411 switch (inst->extra.size)
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	412 {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	413 case OPSIZE_BYTE:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	414 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	415 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	416 case OPSIZE_WORD:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	417 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	418 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	419 case OPSIZE_LONG:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	420 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	421 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	422 }
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	423 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	424 //save reg value in SCRATCH2 so we can use it to save the result in memory later
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	425 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	426 out = mov_rr(out, 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	427 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	428 out = mov_rdisp8r(out, 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	429 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	430
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	431 if (inst->dst.addr_mode == MODE_AREG_POSTINC) {
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	432 inc_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : 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	433 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	434 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	435 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	436 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	437 }
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 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	440 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	441 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	442 case MODE_AREG_DISPLACE:
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	443 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	444 reg = fake_read ? SCRATCH2 : SCRATCH1;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	445 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	446 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	447 } else {
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	448 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	449 }
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	450 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	451 if (!fake_read) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	452 out = push_r(out, SCRATCH1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	453 switch (inst->extra.size)
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	454 {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	455 case OPSIZE_BYTE:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	456 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	457 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	458 case OPSIZE_WORD:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	459 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	460 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	461 case OPSIZE_LONG:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	462 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	463 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	464 }
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	465 out = pop_r(out, SCRATCH2);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	466 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	467 ea->mode = MODE_REG_DIRECT;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	468 ea->base = SCRATCH1;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	469 break;
98 104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	470 case MODE_AREG_INDEX_DISP8:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	471 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	472 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	473 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	474 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	475 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	476 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	477 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	478 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	479 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	480 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	481 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	482 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	483 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	484 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	485 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	486 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	487 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	488 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	489 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	490 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	491 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	492 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	493 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	494 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	495 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	496 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	497 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	498 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	499 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	500 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	501 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	502 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	503 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	504 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	505 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	506 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	507 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	508 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	509 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	510 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	511 if (fake_read) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	512 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	513 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	514 out = push_r(out, SCRATCH1);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	515 switch (inst->extra.size)
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 case OPSIZE_BYTE:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	518 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	519 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	520 case OPSIZE_WORD:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	521 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	522 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	523 case OPSIZE_LONG:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	524 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	525 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	526 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	527 out = pop_r(out, SCRATCH2);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	528 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	529 ea->mode = MODE_REG_DIRECT;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	530 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	531 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	532 case MODE_PC_DISPLACE:
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	533 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	534 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	535 if (!fake_read) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	536 out = push_r(out, SCRATCH1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	537 switch (inst->extra.size)
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	538 {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	539 case OPSIZE_BYTE:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	540 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	541 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	542 case OPSIZE_WORD:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	543 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	544 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	545 case OPSIZE_LONG:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	546 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	547 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	548 }
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	549 out = pop_r(out, SCRATCH2);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	550 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	551 ea->mode = MODE_REG_DIRECT;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	552 ea->base = SCRATCH1;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	553 break;
98 104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	554 case MODE_PC_INDEX_DISP8:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	555 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	556 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	557 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	558 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	559 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	560 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	561 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	562 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	563 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	564 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	565 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	566 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	567 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	568 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	569 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	570 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	571 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	572 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	573 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	574 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	575 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	576 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	577 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	578 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	579 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	580 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	581 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	582 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	583 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	584 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	585 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	586 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	587 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	588 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	589 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	590 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	591 if (fake_read) {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	592 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	593 } else {
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	594 out = push_r(out, SCRATCH1);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	595 switch (inst->extra.size)
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 case OPSIZE_BYTE:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	598 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	599 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	600 case OPSIZE_WORD:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	601 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	602 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	603 case OPSIZE_LONG:
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	604 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	605 break;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	606 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	607 out = pop_r(out, SCRATCH2);
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	608 }
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	609 ea->mode = MODE_REG_DIRECT;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	610 ea->base = SCRATCH1;
104e257fb93c Allow indexed modes to be used as a destination Mike Pavone <pavone@retrodev.com> parents: 97 diff changeset	611 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	612 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	613 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	614 //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	615 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	616 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	617 if (!fake_read) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	618 out = push_r(out, SCRATCH1);
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	619 switch (inst->extra.size)
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	620 {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	621 case OPSIZE_BYTE:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	622 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	623 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	624 case OPSIZE_WORD:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	625 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	626 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	627 case OPSIZE_LONG:
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	628 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	629 break;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	630 }
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	631 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	632 }
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	633 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	634 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	635 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	636 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	637 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	638 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	639 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	640 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	641 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	642 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	643
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	644 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	645 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	646 if (inst->dst.addr_mode != MODE_REG && inst->dst.addr_mode != 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	647 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	648 {
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 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	650 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	651 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	652 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	653 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	654 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	655 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	656 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	657 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	658 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	659 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	660 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	661 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	662
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 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	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 address &= 0xFFFFFF;
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	666 if (address > 0x400000) {
86 3d3966c254b2 RTE doesn't crash the emulator anymore Mike Pavone <pavone@retrodev.com> parents: 82 diff changeset	667 printf("get_native_address: %X\n", address);
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	668 }
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	669 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	670 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	671 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	672 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	673 }
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 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	675 if (native_code_map[chunk].offsets[offset] == INVALID_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	676 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	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 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	679 }
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 deferred_addr * defer_address(deferred_addr * old_head, uint32_t address, uint8_t *dest)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	682 {
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 deferred_addr * new_head = malloc(sizeof(deferred_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	684 new_head->next = old_head;
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 new_head->address = address & 0xFFFFFF;
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 new_head->dest = dest;
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 return new_head;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	688 }
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
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 void process_deferred(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	691 {
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 deferred_addr * cur = 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	693 deferred_addr **last_next = &(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	694 while(cur)
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	695 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	696 uint8_t * native = get_native_address(opts->native_code_map, cur->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	697 if (native) {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	698 int32_t disp = native - (cur->dest + 4);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	699 uint8_t * out = cur->dest;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	700 *(out++) = 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	701 disp >>= 8;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	702 *(out++) = 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	703 disp >>= 8;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	704 *(out++) = 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	705 disp >>= 8;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	706 *out = 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	707 *last_next = cur->next;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	708 free(cur);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	709 cur = *last_next;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	710 } 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	711 last_next = &(cur->next);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	712 cur = cur->next;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	713 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	714 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	715 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	716
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	717 void map_native_address(native_map_slot * native_code_map, uint32_t address, uint8_t * native_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	718 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	719 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	720 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	721 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	722 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	723 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	724 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	725 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	726 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	727 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	728 native_code_map[chunk].offsets[offset] = native_addr-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	729 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	730
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	731 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	732 {
99 8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	733 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	734 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	735 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	736 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	737 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	738 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	739 reg = native_reg(&(inst->dst), opts);
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	740 //update statically set flags
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	741 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	742 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	743
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	744 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	745 flags_reg = src.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	746 } 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	747 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	748 flags_reg = 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	749 } 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	750 if(src.mode == MODE_REG_DISPLACE8) {
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	751 dst = mov_rdisp8r(dst, src.base, src.disp, SCRATCH1, inst->extra.size);
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	752 } else {
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	753 dst = mov_ir(dst, src.disp, SCRATCH1, inst->extra.size);
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	754 }
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	755 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	756 flags_reg = 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	757 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	758 }
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	759 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	760 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	761 {
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	762 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	763 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	764 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	765 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	766 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	767 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	768 } 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	769 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	770 } 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	771 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	772 }
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 } 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	774 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	775 } 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	776 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	777 }
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	778 dst = cmp_ir(dst, 0, flags_reg, size);
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	779 dst = setcc_r(dst, CC_Z, FLAG_Z);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	780 dst = setcc_r(dst, CC_S, FLAG_N);
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	781 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	782 case MODE_AREG_PREDEC:
182 924af8b2f7a0 Fix -(a7) dest when size is byte Mike Pavone <pavone@retrodev.com> parents: 181 diff changeset	783 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	784 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	785 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	786 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	787 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	788 }
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	789 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	790 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	791 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	792 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	793 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	794 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	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 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	797 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	798 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	799 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	800 } 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	801 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	802 } 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	803 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	804 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	805 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	806 dst = setcc_r(dst, CC_Z, FLAG_Z);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	807 dst = setcc_r(dst, CC_S, FLAG_N);
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 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	809 {
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 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	811 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	812 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	813 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	814 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	815 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	816 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	817 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	818 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	819 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	820 if (inst->dst.addr_mode == 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	821 inc_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : 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	822 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	823 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	824 } else {
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	825 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	826 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	827 }
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	828 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	829 case MODE_AREG_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	830 dst = cycles(dst, BUS);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	831 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	832 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	833 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	834 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	835 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	836 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	837 if (src.mode == MODE_REG_DIRECT) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	838 if (src.base != SCRATCH1) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	839 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	840 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	841 } else if (src.mode == MODE_REG_DISPLACE8) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	842 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	843 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	844 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	845 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	846 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	847 dst = setcc_r(dst, CC_Z, FLAG_Z);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	848 dst = setcc_r(dst, CC_S, FLAG_N);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	849 switch (inst->extra.size)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	850 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	851 case OPSIZE_BYTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	852 dst = call(dst, (char *)m68k_write_byte);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	853 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	854 case OPSIZE_WORD:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	855 dst = call(dst, (char *)m68k_write_word);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	856 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	857 case OPSIZE_LONG:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	858 dst = call(dst, (char *)m68k_write_long_highfirst);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	859 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	860 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	861 break;
99 8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	862 case MODE_AREG_INDEX_DISP8:
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	863 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	864 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	865 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	866 } else {
107 9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	867 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	868 }
107 9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	869 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	870 if (inst->dst.params.regs.sec & 1) {
9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	871 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	872 if (opts->aregs[sec_reg] >= 0) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	873 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	874 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	875 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	876 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	877 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	878 if (opts->dregs[sec_reg] >= 0) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	879 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	880 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	881 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	882 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	883 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	884 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	885 if (src.base == SCRATCH1) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	886 dst = push_r(dst, SCRATCH1);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	887 }
107 9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	888 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	889 if (opts->aregs[sec_reg] >= 0) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	890 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	891 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	892 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	893 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	894 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	895 if (opts->dregs[sec_reg] >= 0) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	896 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	897 } else {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	898 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	899 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	900 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	901 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	902 if (src.base == SCRATCH1) {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	903 dst = pop_r(dst, SCRATCH1);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	904 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	905 }
107 9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	906 if (inst->dst.params.regs.displacement) {
9705075fcf36 Fix areg indexed mode for move dst Mike Pavone <pavone@retrodev.com> parents: 106 diff changeset	907 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	908 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	909 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	910 dst = setcc_r(dst, CC_Z, FLAG_Z);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	911 dst = setcc_r(dst, CC_S, FLAG_N);
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	912 switch (inst->extra.size)
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	913 {
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	914 case OPSIZE_BYTE:
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	915 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	916 break;
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	917 case OPSIZE_WORD:
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	918 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	919 break;
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	920 case OPSIZE_LONG:
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	921 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	922 break;
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	923 }
8491de5d6c06 Allow use of indexed modes as move dst Mike Pavone <pavone@retrodev.com> parents: 98 diff changeset	924 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	925 case MODE_PC_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	926 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	927 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	928 if (src.mode == MODE_REG_DIRECT) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	929 if (src.base != SCRATCH1) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	930 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	931 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	932 } else if (src.mode == MODE_REG_DISPLACE8) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	933 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	934 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	935 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	936 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	937 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	938 dst = setcc_r(dst, CC_Z, FLAG_Z);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	939 dst = setcc_r(dst, CC_S, FLAG_N);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	940 switch (inst->extra.size)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	941 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	942 case OPSIZE_BYTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	943 dst = call(dst, (char *)m68k_write_byte);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	944 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	945 case OPSIZE_WORD:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	946 dst = call(dst, (char *)m68k_write_word);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	947 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	948 case OPSIZE_LONG:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	949 dst = call(dst, (char *)m68k_write_long_highfirst);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	950 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	951 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	952 break;
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	953 case MODE_ABSOLUTE:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	954 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	955 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	956 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	957 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	958 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	959 } 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	960 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	961 } else {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	962 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	963 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	964 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	965 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	966 } else {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	967 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	968 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	969 dst = mov_ir(dst, inst->dst.params.immed, SCRATCH2, SZ_D);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	970 dst = cmp_ir(dst, 0, flags_reg, inst->extra.size);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	971 dst = setcc_r(dst, CC_Z, FLAG_Z);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	972 dst = setcc_r(dst, CC_S, FLAG_N);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	973 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	974 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	975 case OPSIZE_BYTE:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	976 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	977 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	978 case OPSIZE_WORD:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	979 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	980 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	981 case OPSIZE_LONG:
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	982 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	983 break;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	984 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 53 diff changeset	985 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	986 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	987 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	988 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	989 exit(1);
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	990 }
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	991
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	992 //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	993 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	994 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	995 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	996
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	997 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	998 {
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	999 int8_t bit,reg,sec_reg;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1000 uint8_t early_cycles;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1001 if(inst->src.addr_mode == MODE_REG) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1002 //reg to mem
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1003 early_cycles = 8;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1004 int8_t dir;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1005 if (inst->dst.addr_mode == MODE_AREG_PREDEC) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1006 reg = 15;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1007 dir = -1;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1008 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1009 reg = 0;
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	1010 dir = 1;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1011 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1012 switch (inst->dst.addr_mode)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1013 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1014 case MODE_AREG_INDIRECT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1015 case MODE_AREG_PREDEC:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1016 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	1017 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	1018 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1019 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	1020 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1021 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	1022 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	1023 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	1024 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	1025 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	1026 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	1027 } 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	1028 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	1029 }
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	1030 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	1031 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	1032 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	1033 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	1034 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	1035 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	1036 } 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	1037 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	1038 }
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	1039 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	1040 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	1041 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	1042 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	1043 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	1044 } 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	1045 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	1046 }
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	1047 } 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	1048 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	1049 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	1050 } 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	1051 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	1052 }
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	1053 }
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	1054 } 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	1055 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	1056 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	1057 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	1058 } 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	1059 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	1060 }
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	1061 } 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	1062 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	1063 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	1064 } 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	1065 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	1066 }
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	1067 }
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	1068 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	1069 }
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	1070 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	1071 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	1072 }
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	1073 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	1074 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	1075 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	1076 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	1077 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	1078 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	1079 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	1080 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	1081 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	1082 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	1083 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	1084 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	1085 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	1086 } 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	1087 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	1088 }
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	1089 } 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	1090 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	1091 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	1092 } 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	1093 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	1094 }
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	1095 }
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	1096 } 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	1097 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	1098 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	1099 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	1100 } 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	1101 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	1102 }
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	1103 } 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	1104 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	1105 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	1106 } 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	1107 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	1108 }
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	1109 }
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	1110 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	1111 }
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	1112 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	1113 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	1114 }
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	1115 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1116 case MODE_ABSOLUTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1117 early_cycles += 4;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1118 case MODE_ABSOLUTE_SHORT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1119 early_cycles += 4;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1120 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	1121 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1122 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1123 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1124 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	1125 exit(1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1126 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1127 dst = cycles(dst, early_cycles);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1128 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	1129 if (inst->src.params.immed & (1 << bit)) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1130 if (inst->dst.addr_mode == MODE_AREG_PREDEC) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1131 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	1132 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1133 dst = push_r(dst, SCRATCH2);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1134 if (reg > 7) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1135 if (opts->aregs[reg-8] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1136 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	1137 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1138 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	1139 }
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 if (opts->dregs[reg] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1142 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	1143 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1144 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	1145 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1146 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1147 if (inst->extra.size == OPSIZE_LONG) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1148 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	1149 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1150 dst = call(dst, (uint8_t *)m68k_write_word);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1151 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1152 dst = pop_r(dst, SCRATCH2);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1153 if (inst->dst.addr_mode != MODE_AREG_PREDEC) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1154 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	1155 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1156 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1157 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1158 if (inst->dst.addr_mode == MODE_AREG_PREDEC) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1159 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	1160 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	1161 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1162 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	1163 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1164 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1165 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1166 //mem to reg
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1167 early_cycles = 4;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1168 switch (inst->src.addr_mode)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1169 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1170 case MODE_AREG_INDIRECT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1171 case MODE_AREG_POSTINC:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1172 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	1173 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	1174 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1175 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	1176 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1177 break;
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1178 case MODE_AREG_DISPLACE:
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1179 early_cycles += BUS;
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1180 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	1181 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	1182 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	1183 } 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	1184 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	1185 }
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	1186 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	1187 break;
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1188 case MODE_AREG_INDEX_DISP8:
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1189 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	1190 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	1191 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	1192 } 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	1193 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	1194 }
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	1195 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	1196 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	1197 if (inst->src.params.regs.sec & 0x10) {
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1198 if (opts->aregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1199 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	1200 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1201 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	1202 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1203 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1204 if (opts->dregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1205 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	1206 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1207 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	1208 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1209 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1210 } 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	1211 if (inst->src.params.regs.sec & 0x10) {
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1212 if (opts->aregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1213 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	1214 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1215 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	1216 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1217 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1218 if (opts->dregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1219 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	1220 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1221 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	1222 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1223 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1224 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1225 }
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	1226 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	1227 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	1228 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1229 break;
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1230 case MODE_PC_DISPLACE:
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1231 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	1232 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	1233 break;
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1234 case MODE_PC_INDEX_DISP8:
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1235 early_cycles += 6;
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1236 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	1237 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	1238 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	1239 if (inst->src.params.regs.sec & 0x10) {
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1240 if (opts->aregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1241 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	1242 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1243 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	1244 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1245 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1246 if (opts->dregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1247 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	1248 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1249 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	1250 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1251 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1252 } 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	1253 if (inst->src.params.regs.sec & 0x10) {
162 eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1254 if (opts->aregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1255 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	1256 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1257 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	1258 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1259 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1260 if (opts->dregs[sec_reg] >= 0) {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1261 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	1262 } else {
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1263 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	1264 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1265 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1266 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1267 }
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	1268 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	1269 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	1270 }
eba78ad49a11 Implement more movem modes src Mike Pavone <pavone@retrodev.com> parents: 161 diff changeset	1271 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1272 case MODE_ABSOLUTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1273 early_cycles += 4;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1274 case MODE_ABSOLUTE_SHORT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1275 early_cycles += 4;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1276 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	1277 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1278 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1279 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1280 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	1281 exit(1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1282 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1283 dst = cycles(dst, early_cycles);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1284 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	1285 if (inst->dst.params.immed & (1 << reg)) {
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1286 dst = push_r(dst, SCRATCH1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1287 if (inst->extra.size == OPSIZE_LONG) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1288 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	1289 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1290 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	1291 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1292 if (reg > 7) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1293 if (opts->aregs[reg-8] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1294 dst = mov_rr(dst, SCRATCH1, opts->aregs[reg-8], inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1295 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1296 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t) * (reg-8), inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1297 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1298 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1299 if (opts->dregs[reg] >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1300 dst = mov_rr(dst, SCRATCH1, opts->dregs[reg], inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1301 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1302 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t) * (reg), inst->extra.size);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1303 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1304 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1305 dst = pop_r(dst, SCRATCH1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1306 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	1307 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1308 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1309 if (inst->src.addr_mode == MODE_AREG_POSTINC) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1310 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	1311 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	1312 } else {
74 6396dc91f61e Fix some bugs in movem with a register list destination Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	1313 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	1314 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1315 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1316 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1317 //prefetch
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1318 dst = cycles(dst, 4);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1319 return dst;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1320 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1321
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1322 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	1323 {
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1324 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	1325 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	1326 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	1327 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	1328 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	1329 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	1330 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	1331 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	1332 }
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1333 x86_ea dst_op;
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1334 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	1335 if (dst_op.mode == MODE_REG_DIRECT) {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1336 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	1337 } else {
c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1338 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	1339 }
92 c3d034e076ee Fix some bugs in emulation of CLR Mike Pavone <pavone@retrodev.com> parents: 87 diff changeset	1340 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	1341 return dst;
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1342 }
f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	1343
93 f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1344 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	1345 {
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1346 x86_ea dst_op;
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1347 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	1348 inst->extra.size--;
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1349 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	1350 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	1351 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	1352 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	1353 } else {
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1354 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	1355 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	1356 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	1357 }
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1358 inst->extra.size = dst_size;
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1359 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	1360 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	1361 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	1362 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	1363 //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	1364 return dst;
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1365 }
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	1366
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	1367 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	1368 {
100 45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1369 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	1370 switch(inst->src.addr_mode)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1371 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1372 case MODE_AREG_INDIRECT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1373 dst = cycles(dst, BUS);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1374 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	1375 if (dst_reg >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1376 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	1377 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1378 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	1379 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1380 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1381 if (dst_reg >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1382 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	1383 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1384 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	1385 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	1386 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1387 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1388 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1389 case MODE_AREG_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1390 dst = cycles(dst, 8);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1391 if (dst_reg >= 0) {
168 7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1392 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	1393 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	1394 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	1395 } else {
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1396 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	1397 }
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1398 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1399 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	1400 } else {
168 7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1401 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	1402 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	1403 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	1404 } else {
7b099f2b382b Minor optimization and a cycle count fix to lea Mike Pavone <pavone@retrodev.com> parents: 167 diff changeset	1405 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	1406 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	1407 }
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1408 }
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	1409 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	1410 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1411 break;
100 45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1412 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	1413 dst = cycles(dst, 12);
100 45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1414 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	1415 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	1416 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1417 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	1418 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1419 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	1420 if (inst->src.params.regs.sec & 1) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1421 if (inst->src.params.regs.sec & 0x10) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1422 if (opts->aregs[sec_reg] >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1423 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	1424 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1425 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	1426 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1427 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1428 if (opts->dregs[sec_reg] >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1429 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	1430 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1431 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	1432 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1433 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1434 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1435 if (inst->src.params.regs.sec & 0x10) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1436 if (opts->aregs[sec_reg] >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1437 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	1438 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1439 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	1440 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1441 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1442 if (opts->dregs[sec_reg] >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1443 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	1444 } else {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1445 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	1446 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1447 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1448 dst = add_rr(dst, SCRATCH1, SCRATCH2, SZ_D);
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1449 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1450 if (inst->src.params.regs.displacement) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1451 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	1452 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1453 if (dst_reg >= 0) {
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1454 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	1455 } 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	1456 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	1457 }
45cd7d3e7918 Implement areg indexed mode for lea Mike Pavone <pavone@retrodev.com> parents: 99 diff changeset	1458 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1459 case MODE_PC_DISPLACE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1460 dst = cycles(dst, 8);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1461 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	1462 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	1463 } else {
74 6396dc91f61e Fix some bugs in movem with a register list destination Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	1464 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	1465 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1466 break;
133 c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1467 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	1468 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	1469 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	1470 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	1471 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	1472 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	1473 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	1474 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	1475 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1476 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	1477 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1478 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1479 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	1480 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	1481 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1482 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	1483 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1484 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1485 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1486 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	1487 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	1488 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	1489 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1490 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	1491 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1492 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1493 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	1494 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	1495 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1496 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	1497 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1498 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1499 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	1500 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1501 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	1502 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	1503 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1504 if (dst_reg >= 0) {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1505 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	1506 } else {
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1507 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	1508 }
c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1509 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1510 case MODE_ABSOLUTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1511 case MODE_ABSOLUTE_SHORT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1512 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	1513 if (dst_reg >= 0) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1514 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	1515 } else {
133 c4d10c2aaee2 Add support for pc indexed addressing mode to lea Mike Pavone <pavone@retrodev.com> parents: 132 diff changeset	1516 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	1517 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1518 break;
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1519 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1520 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1521 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	1522 exit(1);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1523 }
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	1524 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	1525 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1526
116 9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1527 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	1528 {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1529 uint8_t sec_reg;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1530 switch(inst->src.addr_mode)
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1531 {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1532 case MODE_AREG_INDIRECT:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1533 dst = cycles(dst, BUS);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1534 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1535 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	1536 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1537 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	1538 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1539 break;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1540 case MODE_AREG_DISPLACE:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1541 dst = cycles(dst, 8);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1542 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1543 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	1544 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1545 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	1546 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1547 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	1548 break;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1549 case MODE_AREG_INDEX_DISP8:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1550 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	1551 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1552 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	1553 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1554 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	1555 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1556 sec_reg = (inst->src.params.regs.sec >> 1) & 0x7;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1557 if (inst->src.params.regs.sec & 1) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1558 if (inst->src.params.regs.sec & 0x10) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1559 if (opts->aregs[sec_reg] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1560 dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1561 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1562 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	1563 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1564 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1565 if (opts->dregs[sec_reg] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1566 dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1567 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1568 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	1569 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1570 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1571 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1572 if (inst->src.params.regs.sec & 0x10) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1573 if (opts->aregs[sec_reg] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1574 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	1575 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1576 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	1577 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1578 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1579 if (opts->dregs[sec_reg] >= 0) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1580 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	1581 } else {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1582 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	1583 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1584 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1585 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1586 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1587 if (inst->src.params.regs.displacement) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1588 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	1589 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1590 break;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1591 case MODE_PC_DISPLACE:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1592 dst = cycles(dst, 8);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1593 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	1594 break;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1595 case MODE_ABSOLUTE:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1596 case MODE_ABSOLUTE_SHORT:
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1597 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	1598 dst = mov_ir(dst, inst->src.params.immed, SCRATCH1, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1599 break;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1600 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1601 m68k_disasm(inst, disasm_buf);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1602 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	1603 exit(1);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1604 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1605 dst = sub_ir(dst, 4, opts->aregs[7], SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1606 dst = mov_rr(dst, opts->aregs[7], SCRATCH2, SZ_D);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1607 dst = call(dst, (uint8_t *)m68k_write_long_lowfirst);
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1608 return dst;
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1609 }
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	1610
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	1611 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	1612 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1613 int32_t disp = inst->src.params.immed;
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1614 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	1615 //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	1616 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	1617 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	1618 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	1619 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	1620 }
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	1621 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	1622 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	1623 dst = call(dst, (char *)m68k_write_long_highfirst);
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1624 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	1625 if (!dest_addr) {
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	1626 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	1627 //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	1628 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	1629 }
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1630 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	1631 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	1632 //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	1633 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	1634 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1635 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	1636 }
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	1637 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	1638 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1639
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1640 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	1641 {
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	1642 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	1643 int32_t disp = inst->src.params.immed;
46 f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	1644 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	1645 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	1646 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	1647 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	1648 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	1649 //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	1650 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	1651 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1652 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	1653 } 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	1654 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	1655 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	1656 {
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 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	1658 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	1659 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	1660 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	1661 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	1662 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	1663 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	1664 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	1665 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	1666 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	1667 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	1668 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	1669 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	1670 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	1671 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	1672 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	1673 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	1674 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	1675 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	1676 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	1677 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	1678 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	1679 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	1680 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	1681 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	1682 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	1683 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	1684 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	1685 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	1686 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	1687 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	1688 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	1689 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	1690 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	1691 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	1692 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	1693 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	1694 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	1695 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1696 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	1697 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	1698 //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	1699 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	1700 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1701 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	1702 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1703 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	1704 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	1705
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1706 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	1707 {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1708 uint8_t cond = inst->extra.cond;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1709 x86_ea dst_op;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1710 inst->extra.size = OPSIZE_BYTE;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1711 dst = translate_m68k_dst(inst, &dst_op, dst, opts, 1);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1712 if (cond == COND_TRUE \|\| cond == COND_FALSE) {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1713 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	1714 dst = cycles(dst, 6);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1715 } else {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1716 dst = cycles(dst, BUS);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1717 }
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1718 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	1719 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	1720 } 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	1721 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	1722 }
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1723 } else {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1724 uint8_t cc = CC_NZ;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1725 switch (cond)
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1726 {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1727 case COND_HIGH:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1728 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1729 case COND_LOW_SAME:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1730 dst = mov_rr(dst, FLAG_Z, SCRATCH1, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1731 dst = or_rr(dst, FLAG_C, SCRATCH1, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1732 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1733 case COND_CARRY_CLR:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1734 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1735 case COND_CARRY_SET:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1736 dst = cmp_ir(dst, 0, FLAG_C, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1737 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1738 case COND_NOT_EQ:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1739 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1740 case COND_EQ:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1741 dst = cmp_ir(dst, 0, FLAG_Z, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1742 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1743 case COND_OVERF_CLR:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1744 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1745 case COND_OVERF_SET:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1746 dst = cmp_ir(dst, 0, FLAG_V, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1747 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1748 case COND_PLUS:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1749 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1750 case COND_MINUS:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1751 dst = cmp_ir(dst, 0, FLAG_N, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1752 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1753 case COND_GREATER_EQ:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1754 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1755 case COND_LESS:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1756 dst = cmp_rr(dst, FLAG_N, FLAG_V, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1757 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1758 case COND_GREATER:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1759 cc = CC_Z;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1760 case COND_LESS_EQ:
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1761 dst = mov_rr(dst, FLAG_V, SCRATCH1, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1762 dst = xor_rr(dst, FLAG_N, SCRATCH1, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1763 dst = or_rr(dst, FLAG_Z, SCRATCH1, SZ_B);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1764 break;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1765 }
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	1766 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	1767 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	1768 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	1769 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	1770 dst = mov_ir(dst, 0, dst_op.base, SZ_B);
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1771 } 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	1772 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	1773 }
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	1774 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	1775 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	1776 *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	1777 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	1778 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	1779 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	1780 } 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	1781 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	1782 }
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	1783 *end_off = dst - (end_off+1);
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1784 }
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1785 dst = m68k_save_result(inst, dst, opts);
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1786 return dst;
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1787 }
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	1788
53 44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	1789 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	1790 {
132 0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1791 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	1792 uint32_t m68k_addr;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1793 switch(inst->src.addr_mode)
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1794 {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1795 case MODE_AREG_INDIRECT:
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1796 dst = cycles(dst, BUS*2);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1797 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	1798 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	1799 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1800 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	1801 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1802 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	1803 dst = jmp_r(dst, SCRATCH1);
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1804 break;
132 0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1805 case MODE_AREG_INDEX_DISP8:
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1806 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	1807 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	1808 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	1809 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1810 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	1811 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1812 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	1813 if (inst->src.params.regs.sec & 1) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1814 if (inst->src.params.regs.sec & 0x10) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1815 if (opts->aregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1816 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	1817 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1818 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	1819 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1820 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1821 if (opts->dregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1822 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	1823 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1824 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	1825 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1826 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1827 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1828 if (inst->src.params.regs.sec & 0x10) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1829 if (opts->aregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1830 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	1831 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1832 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	1833 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1834 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1835 if (opts->dregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1836 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	1837 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1838 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	1839 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1840 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1841 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1842 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1843 if (inst->src.params.regs.displacement) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1844 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	1845 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1846 dst = call(dst, (uint8_t *)m68k_native_addr);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1847 dst = jmp_r(dst, SCRATCH1);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1848 break;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1849 case MODE_PC_DISPLACE:
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1850 dst = cycles(dst, 10);
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1851 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	1852 if ((m68k_addr & 0xFFFFFF) < 0x400000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1853 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	1854 if (!dest_addr) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1855 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	1856 //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	1857 dest_addr = dst + 256;
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1858 }
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1859 dst = jmp(dst, dest_addr);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1860 } else {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1861 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	1862 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	1863 dst = jmp_r(dst, SCRATCH1);
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1864 }
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1865 break;
132 0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1866 case MODE_PC_INDEX_DISP8:
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1867 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	1868 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	1869 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	1870 if (inst->src.params.regs.sec & 1) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1871 if (inst->src.params.regs.sec & 0x10) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1872 if (opts->aregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1873 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	1874 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1875 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	1876 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1877 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1878 if (opts->dregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1879 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	1880 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1881 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	1882 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1883 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1884 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1885 if (inst->src.params.regs.sec & 0x10) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1886 if (opts->aregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1887 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	1888 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1889 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	1890 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1891 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1892 if (opts->dregs[sec_reg] >= 0) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1893 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	1894 } else {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1895 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	1896 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1897 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1898 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1899 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1900 if (inst->src.params.regs.displacement) {
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1901 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	1902 }
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1903 dst = call(dst, (uint8_t *)m68k_native_addr);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1904 dst = jmp_r(dst, SCRATCH1);
0969d8363a20 Support more address modes for jmp Mike Pavone <pavone@retrodev.com> parents: 129 diff changeset	1905 break;
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1906 case MODE_ABSOLUTE:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1907 case MODE_ABSOLUTE_SHORT:
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1908 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	1909 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	1910 if ((m68k_addr & 0xFFFFFF) < 0x400000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1911 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	1912 if (!dest_addr) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1913 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	1914 //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	1915 dest_addr = dst + 256;
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1916 }
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1917 dst = jmp(dst, dest_addr);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1918 } else {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1919 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	1920 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	1921 dst = jmp_r(dst, SCRATCH1);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1922 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	1923 break;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1924 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1925 m68k_disasm(inst, disasm_buf);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	1926 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	1927 exit(1);
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1928 }
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1929 return dst;
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1930 }
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1931
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1932 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	1933 {
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	1934 uint8_t * dest_addr, sec_reg;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1935 uint32_t after;
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	1936 uint32_t m68k_addr;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1937 switch(inst->src.addr_mode)
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1938 {
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1939 case MODE_AREG_INDIRECT:
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1940 dst = cycles(dst, BUS*2);
119 ee19ddadb398 Fix return address pushed to stack for jsr Mike Pavone <pavone@retrodev.com> parents: 118 diff changeset	1941 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	1942 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	1943 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	1944 }
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	1945 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	1946 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	1947 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	1948 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	1949 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	1950 } else {
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1951 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	1952 }
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1953 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	1954 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	1955 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	1956 //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	1957 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	1958 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	1959 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	1960 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	1961 break;
174 a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1962 case MODE_AREG_DISPLACE:
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1963 dst = cycles(dst, BUS*2);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1964 dst = mov_ir(dst, inst->address + 2, SCRATCH1, SZ_D);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1965 if (opts->flags & OPT_NATIVE_CALL_STACK) {
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1966 dst = push_r(dst, SCRATCH1);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1967 }
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1968 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	1969 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	1970 dst = call(dst, (char *)m68k_write_long_highfirst);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1971 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	1972 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	1973 } else {
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1974 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	1975 }
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1976 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	1977 dst = call(dst, (uint8_t *)m68k_native_addr);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1978 if (opts->flags & OPT_NATIVE_CALL_STACK) {
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1979 dst = call_r(dst, SCRATCH1);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1980 //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	1981 dst = pop_r(dst, SCRATCH1);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1982 } else {
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1983 dst = jmp_r(dst, SCRATCH1);
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1984 }
a1c3ecb4823f Implement areg displacement mode for jsr Mike Pavone <pavone@retrodev.com> parents: 173 diff changeset	1985 break;
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	1986 case MODE_AREG_INDEX_DISP8:
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	1987 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	1988 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	1989 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	1990 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	1991 }
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	1992 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	1993 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	1994 dst = call(dst, (char *)m68k_write_long_highfirst);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	1995 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	1996 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	1997 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	1998 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	1999 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2000 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	2001 if (inst->src.params.regs.sec & 1) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2002 if (inst->src.params.regs.sec & 0x10) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2003 if (opts->aregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2004 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	2005 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2006 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	2007 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2008 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2009 if (opts->dregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2010 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	2011 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2012 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	2013 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2014 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2015 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2016 if (inst->src.params.regs.sec & 0x10) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2017 if (opts->aregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2018 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	2019 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2020 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	2021 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2022 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2023 if (opts->dregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2024 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	2025 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2026 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	2027 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2028 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2029 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2030 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2031 if (inst->src.params.regs.displacement) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2032 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	2033 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2034 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	2035 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	2036 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	2037 //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	2038 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	2039 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2040 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	2041 }
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2042 break;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2043 case MODE_PC_DISPLACE:
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2044 //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	2045 dst = cycles(dst, 10);
119 ee19ddadb398 Fix return address pushed to stack for jsr Mike Pavone <pavone@retrodev.com> parents: 118 diff changeset	2046 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	2047 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	2048 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	2049 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2050 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	2051 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	2052 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	2053 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	2054 if ((m68k_addr & 0xFFFFFF) < 0x400000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2055 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	2056 if (!dest_addr) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2057 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	2058 //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	2059 dest_addr = dst + 256;
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2060 }
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2061 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	2062 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	2063 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2064 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	2065 }
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2066 } else {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2067 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	2068 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	2069 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	2070 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	2071 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2072 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	2073 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2074 }
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2075 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	2076 //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	2077 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	2078 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2079 break;
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2080 case MODE_PC_INDEX_DISP8:
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2081 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	2082 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	2083 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	2084 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	2085 }
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2086 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	2087 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	2088 dst = call(dst, (char *)m68k_write_long_highfirst);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2089 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	2090 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	2091 if (inst->src.params.regs.sec & 1) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2092 if (inst->src.params.regs.sec & 0x10) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2093 if (opts->aregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2094 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	2095 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2096 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	2097 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2098 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2099 if (opts->dregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2100 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	2101 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2102 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	2103 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2104 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2105 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2106 if (inst->src.params.regs.sec & 0x10) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2107 if (opts->aregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2108 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	2109 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2110 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	2111 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2112 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2113 if (opts->dregs[sec_reg] >= 0) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2114 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	2115 } else {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2116 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	2117 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2118 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2119 dst = add_rr(dst, SCRATCH2, SCRATCH1, SZ_D);
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2120 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2121 if (inst->src.params.regs.displacement) {
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2122 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	2123 }
a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2124 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	2125 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	2126 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	2127 //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	2128 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	2129 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2130 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	2131 }
110 a575808dd90b Implement more address modes for jsr Mike Pavone <pavone@retrodev.com> parents: 107 diff changeset	2132 break;
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2133 case MODE_ABSOLUTE:
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2134 case MODE_ABSOLUTE_SHORT:
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2135 //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	2136 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	2137 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	2138 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	2139 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	2140 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2141 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	2142 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	2143 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	2144 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	2145 if ((m68k_addr & 0xFFFFFF) < 0x400000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2146 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	2147 if (!dest_addr) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2148 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	2149 //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	2150 dest_addr = dst + 256;
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2151 }
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2152 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	2153 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	2154 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2155 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	2156 }
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2157 } else {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	2158 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	2159 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	2160 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	2161 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	2162 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2163 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	2164 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2165 }
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2166 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	2167 //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	2168 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	2169 }
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2170 break;
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2171 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2172 m68k_disasm(inst, disasm_buf);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2173 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	2174 exit(1);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2175 }
53 44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	2176 return dst;
44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	2177 }
44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	2178
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	2179 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	2180 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2181 //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	2182 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	2183 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	2184 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	2185 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	2186 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	2187 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	2188 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	2189 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	2190 } else {
94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 154 diff changeset	2191 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	2192 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	2193 }
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	2194 return dst;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2195 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2196
46 f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2197 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	2198 {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2199 //best case duration
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2200 dst = cycles(dst, 10);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2201 uint8_t * skip_loc = NULL;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2202 //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	2203 //it's basically a slow NOP
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2204 if (inst->extra.cond != COND_FALSE) {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2205 uint8_t cond = CC_NZ;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2206 switch (inst->extra.cond)
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2207 {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2208 case COND_HIGH:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2209 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2210 case COND_LOW_SAME:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2211 dst = mov_rr(dst, FLAG_Z, SCRATCH1, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2212 dst = or_rr(dst, FLAG_C, SCRATCH1, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2213 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2214 case COND_CARRY_CLR:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2215 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2216 case COND_CARRY_SET:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2217 dst = cmp_ir(dst, 0, FLAG_C, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2218 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2219 case COND_NOT_EQ:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2220 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2221 case COND_EQ:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2222 dst = cmp_ir(dst, 0, FLAG_Z, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2223 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2224 case COND_OVERF_CLR:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2225 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2226 case COND_OVERF_SET:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2227 dst = cmp_ir(dst, 0, FLAG_V, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2228 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2229 case COND_PLUS:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2230 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2231 case COND_MINUS:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2232 dst = cmp_ir(dst, 0, FLAG_N, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2233 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2234 case COND_GREATER_EQ:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2235 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2236 case COND_LESS:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2237 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	2238 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2239 case COND_GREATER:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2240 cond = CC_Z;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2241 case COND_LESS_EQ:
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2242 dst = mov_rr(dst, FLAG_V, SCRATCH1, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2243 dst = xor_rr(dst, FLAG_N, SCRATCH1, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2244 dst = or_rr(dst, FLAG_Z, SCRATCH1, SZ_B);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2245 break;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2246 }
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2247 skip_loc = dst + 1;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2248 dst = jcc(dst, cond, dst + 2);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2249 }
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2250 if (opts->dregs[inst->dst.params.regs.pri] >= 0) {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2251 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	2252 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	2253 } else {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2254 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	2255 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	2256 }
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2257 uint8_t *loop_end_loc = dst+1;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2258 dst = jcc(dst, CC_Z, dst+2);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2259 uint32_t after = inst->address + 2;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2260 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	2261 if (!dest_addr) {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2262 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	2263 //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	2264 dest_addr = dst + 256;
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2265 }
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2266 dst = jmp(dst, dest_addr);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2267 *loop_end_loc = dst - (loop_end_loc+1);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2268 if (skip_loc) {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2269 dst = cycles(dst, 2);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2270 *skip_loc = dst - (skip_loc+1);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2271 dst = cycles(dst, 2);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2272 } else {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2273 dst = cycles(dst, 4);
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2274 }
52 f02ba3808757 Implement CLR, minor refactor of register offset calculation in context struct Mike Pavone <pavone@retrodev.com> parents: 51 diff changeset	2275 return dst;
46 f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2276 }
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2277
78 463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2278 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	2279 {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2280 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	2281 //compensate for displacement word
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2282 dst = cycles(dst, BUS);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2283 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	2284 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	2285 if (reg >= 0) {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2286 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	2287 } else {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2288 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	2289 }
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2290 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	2291 if (reg >= 0) {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2292 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	2293 } else {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2294 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	2295 }
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2296 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	2297 //prefetch
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2298 dst = cycles(dst, BUS);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2299 return dst;
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2300 }
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2301
172 c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2302 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	2303 {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2304 int8_t reg;
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2305 dst = cycles(dst, BUS*2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2306 if (inst->src.addr_mode == MODE_REG) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2307 if (opts->aregs[inst->dst.params.regs.pri] >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2308 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	2309 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2310 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2311 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2312 if (inst->dst.params.regs.displacement) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2313 dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2314 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2315 reg = native_reg(&(inst->src), opts);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2316 if (inst->extra.size == OPSIZE_LONG) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2317 if (reg >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2318 dst = mov_rr(dst, reg, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2319 dst = shr_ir(dst, 24, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2320 dst = push_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2321 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2322 dst = pop_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2323 dst = mov_rr(dst, reg, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2324 dst = shr_ir(dst, 16, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2325
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2326 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2327 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	2328 dst = push_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2329 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2330 dst = pop_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2331 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	2332 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2333 dst = add_ir(dst, 2, SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2334 dst = push_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2335 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2336 dst = pop_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2337 dst = add_ir(dst, 2, SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2338 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2339 if (reg >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2340 dst = mov_rr(dst, reg, SCRATCH1, SZ_W);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2341 dst = shr_ir(dst, 8, SCRATCH1, SZ_W);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2342 dst = push_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2343 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2344 dst = pop_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2345 dst = mov_rr(dst, reg, SCRATCH1, SZ_W);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2346 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2347 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	2348 dst = push_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2349 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2350 dst = pop_r(dst, SCRATCH2);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2351 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2352 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2353 dst = add_ir(dst, 2, SCRATCH2, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2354 dst = call(dst, (uint8_t *)m68k_write_byte);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2355 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2356 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2357 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	2358 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2359 dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2360 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2361 if (inst->src.params.regs.displacement) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2362 dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2363 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2364 reg = native_reg(&(inst->dst), opts);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2365 if (inst->extra.size == OPSIZE_LONG) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2366 if (reg >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2367 dst = push_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2368 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2369 dst = shl_ir(dst, 24, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2370 dst = mov_rr(dst, SCRATCH1, reg, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2371 dst = pop_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2372 dst = add_ir(dst, 2, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2373 dst = push_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2374 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2375 dst = shl_ir(dst, 16, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2376 dst = or_rr(dst, SCRATCH1, reg, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2377 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2378 dst = push_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2379 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2380 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	2381 dst = pop_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2382 dst = add_ir(dst, 2, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2383 dst = push_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2384 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2385 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	2386 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2387 dst = pop_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2388 dst = add_ir(dst, 2, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2389 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2390 dst = push_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2391 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2392 if (reg >= 0) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2393
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2394 dst = shl_ir(dst, 8, SCRATCH1, SZ_W);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2395 dst = mov_rr(dst, SCRATCH1, reg, SZ_W);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2396 dst = pop_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2397 dst = add_ir(dst, 2, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2398 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2399 dst = mov_rr(dst, SCRATCH1, reg, SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2400 } else {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2401 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	2402 dst = pop_r(dst, SCRATCH1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2403 dst = add_ir(dst, 2, SCRATCH1, SZ_D);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2404 dst = call(dst, (uint8_t *)m68k_read_byte_scratch1);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2405 dst = mov_rrdisp8(dst, SCRATCH1, CONTEXT, reg_offset(&(inst->dst)), SZ_B);
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2406 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2407 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2408 return dst;
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2409 }
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2410
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	2411 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	2412 {
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	2413 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	2414 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	2415 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	2416 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	2417 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	2418 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	2419 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	2420 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	2421 } 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	2422 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	2423 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	2424 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	2425 }
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	2426 }
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	2427 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	2428 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	2429 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	2430 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	2431 } 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	2432 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	2433 }
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	2434 } 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	2435 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	2436 } 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	2437 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	2438 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	2439 } 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	2440 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	2441 }
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	2442 }
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	2443 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	2444 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	2445 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	2446 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	2447 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	2448 }
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	2449
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	2450 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	2451 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	2452 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	2453 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	2454
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	2455 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	2456 {
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	2457 uint8_t * end_off = 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	2458 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	2459 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	2460 //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	2461 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	2462 } 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	2463 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	2464 if (src_op->mode == MODE_IMMED) {
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	2465 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	2466 dst = shift_ir(dst, src_op->disp, 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	2467 } 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	2468 dst = shift_irdisp8(dst, src_op->disp, 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	2469 }
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	2470 } 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	2471 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	2472 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	2473 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	2474 } 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	2475 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	2476 }
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	2477 }
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	2478 dst = and_ir(dst, 63, RCX, 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	2479 //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	2480 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	2481 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	2482 //x86 shifts modulo 32 for operand sizes less than 64-bits
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	2483 //but M68K shifts modulo 64, so we need to check for large shifts here
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	2484 dst = cmp_ir(dst, 32, 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	2485 uint8_t * norm_shift_off = dst + 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	2486 dst = jcc(dst, CC_L, dst+2);
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	2487 if (special) {
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	2488 if (inst->extra.size == OPSIZE_LONG) {
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	2489 uint8_t * neq_32_off = dst + 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	2490 dst = jcc(dst, CC_NZ, dst+2);
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	2491
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	2492 //set the carry bit to the lsb
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	2493 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	2494 dst = special(dst, 1, dst_op->base, 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	2495 } 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	2496 dst = special_disp8(dst, 1, dst_op->base, dst_op->disp, 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	2497 }
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	2498 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	2499 dst = jmp(dst, dst+4);
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	2500 *neq_32_off = dst - (neq_32_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	2501 }
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	2502 dst = mov_ir(dst, 0, FLAG_C, 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	2503 dst = mov_ir(dst, 1, FLAG_Z, 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	2504 dst = mov_ir(dst, 0, FLAG_N, 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	2505 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	2506 dst = xor_rr(dst, dst_op->base, 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	2507 } 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	2508 dst = mov_irdisp8(dst, 0, 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	2509 }
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	2510 } 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	2511 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	2512 dst = shift_ir(dst, 31, 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	2513 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	2514 } 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	2515 dst = shift_irdisp8(dst, 31, 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	2516 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	2517 }
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	2518
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	2519 }
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	2520 end_off = dst+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	2521 dst = jmp(dst, dst+2);
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	2522 *norm_shift_off = dst - (norm_shift_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	2523 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	2524 dst = shift_clr(dst, 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	2525 } 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	2526 dst = shift_clrdisp8(dst, 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	2527 }
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	2528
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	2529 }
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	2530
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	2531 }
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	2532 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	2533 *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	2534 }
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	2535 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	2536 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	2537 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	2538 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	2539 *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	2540 }
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	2541 dst = mov_ir(dst, 0, FLAG_V, 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	2542 //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	2543 dst = mov_rrind(dst, FLAG_C, CONTEXT, 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	2544 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	2545 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	2546 }
66 7a22a0e6c004 Gamepad support Mike Pavone <pavone@retrodev.com> parents: 64 diff changeset	2547 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	2548 }
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	2549
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2550 #define BIT_SUPERVISOR 5
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2551
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2552 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	2553 {
122 0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	2554 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	2555 uint8_t dst_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	2556 map_native_address(opts->native_code_map, inst->address, dst);
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	2557 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	2558 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	2559 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	2560 } 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	2561 return translate_m68k_lea(dst, inst, opts);
116 9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	2562 } else if(inst->op == M68K_PEA) {
9eaba47c429d Implement pea (untested). Mike Pavone <pavone@retrodev.com> parents: 113 diff changeset	2563 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	2564 } 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	2565 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	2566 } 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	2567 return translate_m68k_bcc(dst, inst, opts);
53 44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	2568 } else if(inst->op == M68K_JMP) {
44e661913a51 Add preliminary support for JMP Mike Pavone <pavone@retrodev.com> parents: 52 diff changeset	2569 return translate_m68k_jmp(dst, inst, opts);
76 187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2570 } else if(inst->op == M68K_JSR) {
187c65f40a64 Implement JSR for some addressing modes Mike Pavone <pavone@retrodev.com> parents: 74 diff changeset	2571 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	2572 } 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	2573 return translate_m68k_rts(dst, inst, opts);
46 f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2574 } else if(inst->op == M68K_DBCC) {
f2aaaf36c875 Add support for dbcc instruction Mike Pavone <pavone@retrodev.com> parents: 19 diff changeset	2575 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	2576 } 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	2577 return translate_m68k_clr(dst, inst, opts);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2578 } else if(inst->op == M68K_MOVEM) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2579 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	2580 } else if(inst->op == M68K_LINK) {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	2581 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	2582 } else if(inst->op == M68K_EXT) {
f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	2583 return translate_m68k_ext(dst, inst, opts);
112 e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	2584 } else if(inst->op == M68K_SCC) {
e3594572fb98 Implement scc (untested) Mike Pavone <pavone@retrodev.com> parents: 110 diff changeset	2585 return translate_m68k_scc(dst, inst, opts);
172 c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2586 } else if(inst->op == M68K_MOVEP) {
c61507f897e4 Implement movep Mike Pavone <pavone@retrodev.com> parents: 171 diff changeset	2587 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	2588 } else if(inst->op == M68K_INVALID) {
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	2589 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	2590 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	2591 } 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	2592 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	2593 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2594 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	2595 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	2596 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	2597 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2598 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	2599 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	2600 }
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	2601 uint8_t size;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2602 switch(inst->op)
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2603 {
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	2604 //case M68K_ABCD:
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	2605 // break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2606 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	2607 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	2608 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	2609 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	2610 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	2611 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	2612 } 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	2613 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	2614 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2615 } 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	2616 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	2617 } 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	2618 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	2619 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	2620 } 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	2621 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	2622 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2623 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2624 dst = setcc_r(dst, CC_C, FLAG_C);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2625 dst = setcc_r(dst, CC_Z, FLAG_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	2626 dst = setcc_r(dst, CC_S, FLAG_N);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2627 dst = setcc_r(dst, CC_O, FLAG_V);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	2628 dst = mov_rrind(dst, FLAG_C, CONTEXT, 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	2629 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	2630 break;
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2631 case M68K_ADDX:
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2632 dst = cycles(dst, BUS);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2633 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	2634 if (src_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2635 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2636 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	2637 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2638 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	2639 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2640 } else if (src_op.mode == MODE_REG_DISPLACE8) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2641 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	2642 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2643 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2644 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	2645 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2646 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	2647 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2648 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2649 dst = setcc_r(dst, CC_C, FLAG_C);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2650 dst = setcc_r(dst, CC_Z, FLAG_Z);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2651 dst = setcc_r(dst, CC_S, FLAG_N);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2652 dst = setcc_r(dst, CC_O, FLAG_V);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2653 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	2654 dst = m68k_save_result(inst, dst, opts);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	2655 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2656 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	2657 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	2658 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	2659 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	2660 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	2661 } 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	2662 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	2663 }
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	2664 } 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	2665 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	2666 } 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	2667 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	2668 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	2669 } 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	2670 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	2671 }
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	2672 }
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	2673 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	2674 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	2675 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	2676 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	2677 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	2678 break;
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2679 case M68K_ANDI_CCR:
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2680 case M68K_ANDI_SR:
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2681 dst = cycles(dst, 20);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2682 //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	2683 if (!(inst->src.params.immed & 0x1)) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2684 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	2685 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2686 if (!(inst->src.params.immed & 0x2)) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2687 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	2688 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2689 if (!(inst->src.params.immed & 0x4)) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2690 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	2691 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2692 if (!(inst->src.params.immed & 0x8)) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2693 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	2694 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2695 if (!(inst->src.params.immed & 0x10)) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2696 dst = mov_irind(dst, 0, CONTEXT, SZ_B);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2697 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2698 if (inst->op == M68K_ANDI_SR) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2699 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	2700 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	2701 //leave supervisor mode
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2702 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	2703 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	2704 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	2705 }
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	2706 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	2707 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	2708 }
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2709 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2710 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2711 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	2712 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	2713 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	2714 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2715 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	2716 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	2717 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	2718 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	2719 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	2720 break;
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2721 case M68K_BCHG:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2722 case M68K_BCLR:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2723 case M68K_BSET:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2724 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	2725 dst = cycles(dst, inst->extra.size == OPSIZE_BYTE ? 4 : 6);
67 534eb4976423 Fix BTST Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	2726 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	2727 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	2728 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	2729 }
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2730 if (inst->op == M68K_BTST) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2731 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	2732 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	2733 } 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	2734 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	2735 }
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2736 } else if (inst->op == M68K_BSET) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2737 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	2738 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	2739 } 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	2740 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	2741 }
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2742 } else if (inst->op == M68K_BCLR) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2743 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	2744 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	2745 } 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	2746 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	2747 }
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	2748 } else {
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2749 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	2750 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	2751 } 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	2752 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	2753 }
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	2754 }
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	2755 } else {
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	2756 if (src_op.mode == MODE_REG_DISPLACE8) {
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	2757 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	2758 dst = push_r(dst, SCRATCH2);
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	2759 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH2, SZ_B);
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	2760 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	2761 } else {
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	2762 dst = mov_rdisp8r(dst, src_op.base, src_op.disp, SCRATCH1, SZ_B);
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	2763 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	2764 }
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	2765 }
154 4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2766 if (dst_op.mode == MODE_REG_DISPLACE8) {
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2767 if (src_op.base != SCRATCH1 && src_op.base != SCRATCH2) {
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2768 if (src_op.mode == MODE_REG_DIRECT) {
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2769 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	2770 } else {
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2771 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	2772 src_op.mode = MODE_REG_DIRECT;
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2773 }
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2774 src_op.base = SCRATCH1;
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2775 }
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2776 dst = and_ir(dst, 31, SCRATCH1, SZ_D);
4791c0204410 Small fix for bit instructions Mike Pavone <pavone@retrodev.com> parents: 152 diff changeset	2777 }
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2778 if (inst->op == M68K_BTST) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2779 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	2780 dst = bt_rr(dst, src_op.base, dst_op.base, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2781 } 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	2782 dst = bt_rrdisp8(dst, src_op.base, 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	2783 }
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2784 } else if (inst->op == M68K_BSET) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2785 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	2786 dst = bts_rr(dst, src_op.base, dst_op.base, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2787 } 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	2788 dst = bts_rrdisp8(dst, src_op.base, 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	2789 }
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2790 } else if (inst->op == M68K_BCLR) {
bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2791 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	2792 dst = btr_rr(dst, src_op.base, dst_op.base, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2793 } 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	2794 dst = btr_rrdisp8(dst, src_op.base, 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	2795 }
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	2796 } else {
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2797 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	2798 dst = btc_rr(dst, src_op.base, dst_op.base, inst->extra.size);
123 bd3858121ab0 Implement the rest of the bit instructions Mike Pavone <pavone@retrodev.com> parents: 122 diff changeset	2799 } 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	2800 dst = btc_rrdisp8(dst, src_op.base, 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	2801 }
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	2802 }
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	2803 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	2804 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	2805 }
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	2806 }
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	2807 //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	2808 //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	2809 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	2810 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	2811 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	2812 }
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	2813 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	2814 /*case M68K_CHK:
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	2815 break;*/
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2816 case M68K_DIVS:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2817 case M68K_DIVU:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2818 //TODO: Trap on division by zero
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2819 dst = cycles(dst, inst->op == M68K_DIVS ? 158 : 140);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2820 dst = push_r(dst, RDX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2821 dst = push_r(dst, RAX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2822 if (dst_op.mode == MODE_REG_DIRECT) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2823 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	2824 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2825 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	2826 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2827 if (src_op.mode == MODE_IMMED) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2828 dst = mov_ir(dst, src_op.disp, SCRATCH2, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2829 } else if (src_op.mode == MODE_REG_DIRECT) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2830 if (inst->op == M68K_DIVS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2831 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	2832 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2833 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	2834 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2835 } else if (src_op.mode == MODE_REG_DISPLACE8) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2836 if (inst->op == M68K_DIVS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2837 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	2838 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2839 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	2840 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2841 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2842 if (inst->op == M68K_DIVS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2843 dst = cdq(dst);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2844 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2845 dst = xor_rr(dst, RDX, RDX, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2846 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2847 if (inst->op == M68K_DIVS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2848 dst = idiv_r(dst, SCRATCH2, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2849 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2850 dst = div_r(dst, SCRATCH2, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2851 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2852 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	2853 if (inst->op == M68K_DIVS) {
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	2854 uint8_t * skip_sec_check = 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	2855 dst = jcc(dst, CC_C, 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	2856 dst = cmp_ir(dst, -0x10000, RAX, 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	2857 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	2858 dst = jcc(dst, CC_LE, 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	2859 *skip_sec_check = dst - (skip_sec_check+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	2860 } 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	2861 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	2862 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	2863 }
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2864 if (dst_op.mode == MODE_REG_DIRECT) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2865 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	2866 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	2867 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	2868 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2869 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	2870 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	2871 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	2872 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2873 dst = pop_r(dst, RAX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2874 dst = pop_r(dst, RDX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2875 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	2876 dst = cmp_ir(dst, 0, RAX, SZ_W);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2877 dst = setcc_r(dst, CC_Z, FLAG_Z);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2878 dst = setcc_r(dst, CC_S, FLAG_N);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2879 end_off = dst+1;
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2880 dst = jmp(dst, dst+2);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2881 *norm_off = dst - (norm_off + 1);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2882 dst = pop_r(dst, RAX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2883 dst = pop_r(dst, RDX);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2884 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	2885 *end_off = dst - (end_off + 1);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	2886 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	2887 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2888 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	2889 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	2890 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	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 = 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	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 = 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	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 } 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	2897 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	2898 } 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	2899 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	2900 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	2901 } 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	2902 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	2903 }
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	2904 }
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	2905 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	2906 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	2907 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	2908 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	2909 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	2910 break;
171 f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2911 case M68K_EORI_CCR:
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2912 case M68K_EORI_SR:
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2913 dst = cycles(dst, 20);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2914 //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	2915 if (inst->src.params.immed & 0x1) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2916 dst = xor_ir(dst, 1, FLAG_C, SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2917 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2918 if (inst->src.params.immed & 0x2) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2919 dst = xor_ir(dst, 1, FLAG_V, SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2920 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2921 if (inst->src.params.immed & 0x4) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2922 dst = xor_ir(dst, 1, FLAG_Z, SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2923 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2924 if (inst->src.params.immed & 0x8) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2925 dst = xor_ir(dst, 1, FLAG_N, SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2926 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2927 if (inst->src.params.immed & 0x10) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2928 dst = xor_irdisp8(dst, 1, CONTEXT, 0, SZ_B);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2929 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2930 if (inst->op == M68K_ORI_SR) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2931 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	2932 if (inst->src.params.immed & 0x700) {
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2933 dst = call(dst, (uint8_t *)do_sync);
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2934 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2935 }
f03db3db48fb Implement EORI CCR/SR Mike Pavone <pavone@retrodev.com> parents: 170 diff changeset	2936 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2937 case M68K_EXG:
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2938 dst = cycles(dst, 6);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2939 if (dst_op.mode == MODE_REG_DIRECT) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2940 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	2941 if (src_op.mode == MODE_REG_DIRECT) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2942 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	2943 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	2944 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2945 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	2946 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	2947 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2948 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2949 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	2950 if (src_op.mode == MODE_REG_DIRECT) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2951 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	2952 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	2953 } else {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2954 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	2955 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	2956 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	2957 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2958 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2959 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2960 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	2961 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	2962 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	2963 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	2964 break;
105 1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	2965 case M68K_MOVE_FROM_SR:
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	2966 //TODO: Trap if not in system mode
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	2967 dst = call(dst, (uint8_t *)get_sr);
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	2968 if (dst_op.mode == MODE_REG_DIRECT) {
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	2969 dst = mov_rr(dst, SCRATCH1, dst_op.base, SZ_W);
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	2970 } else {
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	2971 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	2972 }
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	2973 dst = m68k_save_result(inst, dst, opts);
1a0fd122ca8f Implemented move from SR Mike Pavone <pavone@retrodev.com> parents: 104 diff changeset	2974 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2975 case M68K_MOVE_CCR:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	2976 case M68K_MOVE_SR:
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2977 //TODO: Privilege check for MOVE to SR
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2978 if (src_op.mode == MODE_IMMED) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2979 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	2980 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	2981 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	2982 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	2983 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	2984 if (inst->op == M68K_MOVE_SR) {
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2985 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	2986 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	2987 //leave supervisor mode
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	2988 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	2989 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	2990 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	2991 }
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	2992 dst = call(dst, (uint8_t *)do_sync);
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2993 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2994 dst = cycles(dst, 12);
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2995 } 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	2996 if (src_op.base != SCRATCH1) {
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	2997 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	2998 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	2999 } 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	3000 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	3001 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3002 }
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	3003 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	3004 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	3005
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3006 }
f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3007 break;
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3008 case M68K_MOVE_USP:
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3009 dst = cycles(dst, BUS);
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3010 //TODO: Trap if not in supervisor mode
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3011 //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	3012 if (inst->src.addr_mode == MODE_UNUSED) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3013 if (dst_op.mode == MODE_REG_DIRECT) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3014 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	3015 } else {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3016 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	3017 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	3018 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3019 } else {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3020 if (src_op.mode == MODE_REG_DIRECT) {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3021 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	3022 } else {
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3023 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	3024 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	3025 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3026 }
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 71 diff changeset	3027 break;
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3028 //case M68K_MOVEP:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3029 case M68K_MULS:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3030 case M68K_MULU:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3031 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	3032 if (src_op.mode == MODE_IMMED) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3033 //immediate value should already be sign extended to 32-bits
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3034 dst = mov_ir(dst, inst->op == M68K_MULU ? (src_op.disp & 0xFFFF) : src_op.disp, SCRATCH1, SZ_D);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3035 } else if (src_op.mode == MODE_REG_DIRECT) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3036 if (inst->op == M68K_MULS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3037 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	3038 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3039 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	3040 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3041 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3042 if (inst->op == M68K_MULS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3043 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	3044 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3045 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	3046 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3047 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3048 if (dst_op.mode == MODE_REG_DIRECT) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3049 dst_reg = dst_op.base;
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3050 if (inst->op == M68K_MULS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3051 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	3052 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3053 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	3054 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3055 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3056 dst_reg = SCRATCH2;
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3057 if (inst->op == M68K_MULS) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3058 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	3059 } else {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3060 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	3061 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3062 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3063 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	3064 if (dst_op.mode == MODE_REG_DISPLACE8) {
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3065 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	3066 }
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3067 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	3068 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	3069 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	3070 dst = setcc_r(dst, CC_Z, FLAG_Z);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3071 dst = setcc_r(dst, CC_S, FLAG_N);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3072 break;
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3073 //case M68K_NBCD:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3074 case M68K_NEG:
173 47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3075 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	3076 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	3077 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	3078 } 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	3079 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	3080 }
173 47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3081 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	3082 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	3083 dst = setcc_r(dst, CC_S, FLAG_N);
173 47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3084 dst = setcc_r(dst, CC_O, FLAG_V);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3085 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	3086 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	3087 break;
173 47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3088 case M68K_NEGX:
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3089 dst = cycles(dst, BUS);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3090 if (dst_op.mode == MODE_REG_DIRECT) {
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3091 if (dst_op.base == SCRATCH1) {
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3092 dst = push_r(dst, SCRATCH2);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3093 dst = xor_rr(dst, SCRATCH2, SCRATCH2, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3094 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3095 dst = sbb_rr(dst, dst_op.base, SCRATCH2, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3096 dst = mov_rr(dst, SCRATCH2, dst_op.base, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3097 dst = pop_r(dst, SCRATCH2);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3098 } else {
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3099 dst = xor_rr(dst, SCRATCH1, SCRATCH1, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3100 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3101 dst = sbb_rr(dst, dst_op.base, SCRATCH1, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3102 dst = mov_rr(dst, SCRATCH1, dst_op.base, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3103 }
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3104 } else {
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3105 dst = xor_rr(dst, SCRATCH1, SCRATCH1, inst->extra.size);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3106 dst = bt_irdisp8(dst, 0, CONTEXT, 0, SZ_B);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3107 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	3108 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	3109 }
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3110 dst = setcc_r(dst, CC_C, FLAG_C);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3111 dst = jcc(dst, CC_NZ, dst+4);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3112 dst = mov_ir(dst, 1, FLAG_Z, SZ_B);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3113 dst = setcc_r(dst, CC_S, FLAG_N);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3114 dst = setcc_r(dst, CC_O, FLAG_V);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3115 dst = mov_rrind(dst, FLAG_C, CONTEXT, SZ_B);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3116 dst = m68k_save_result(inst, dst, opts);
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3117 break;
47b2796fb277 Implement negx Mike Pavone <pavone@retrodev.com> parents: 172 diff changeset	3118 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3119 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	3120 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	3121 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	3122 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	3123 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	3124 dst = not_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	3125 } 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	3126 dst = not_rdisp8(dst, dst_op.base, dst_op.disp, 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	3127 }
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	3128 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	3129 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	3130 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	3131 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	3132 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	3133 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3134 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	3135 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	3136 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	3137 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	3138 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	3139 } 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	3140 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	3141 }
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	3142 } 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	3143 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	3144 } 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	3145 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	3146 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	3147 } 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	3148 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	3149 }
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	3150 }
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	3151 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	3152 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	3153 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	3154 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	3155 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	3156 break;
106 1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3157 case M68K_ORI_CCR:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3158 case M68K_ORI_SR:
106 1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3159 dst = cycles(dst, 20);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3160 //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	3161 if (inst->src.params.immed & 0x1) {
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3162 dst = mov_ir(dst, 1, FLAG_C, SZ_B);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3163 }
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3164 if (inst->src.params.immed & 0x2) {
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3165 dst = mov_ir(dst, 1, FLAG_V, SZ_B);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3166 }
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3167 if (inst->src.params.immed & 0x4) {
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3168 dst = mov_ir(dst, 1, FLAG_Z, SZ_B);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3169 }
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3170 if (inst->src.params.immed & 0x8) {
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3171 dst = mov_ir(dst, 1, FLAG_N, SZ_B);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3172 }
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3173 if (inst->src.params.immed & 0x10) {
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3174 dst = mov_irind(dst, 1, CONTEXT, SZ_B);
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3175 }
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	3176 if (inst->op == M68K_ORI_SR) {
106 1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3177 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	3178 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	3179 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	3180 }
106 1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3181 }
1eba2b9455f8 Implement ORI to CCR/SR Mike Pavone <pavone@retrodev.com> parents: 105 diff changeset	3182 break;
122 0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3183 /case M68K_RESET:/
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3184 case M68K_ROL:
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3185 case M68K_ROR:
122 0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3186 dst = mov_ir(dst, 0, FLAG_V, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3187 if (inst->src.addr_mode == MODE_UNUSED) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3188 dst = cycles(dst, BUS);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3189 //Memory rotate
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3190 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3191 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	3192 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3193 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	3194 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3195 dst = setcc_r(dst, CC_C, FLAG_C);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3196 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	3197 dst = setcc_r(dst, CC_Z, FLAG_Z);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3198 dst = setcc_r(dst, CC_S, FLAG_N);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3199 dst = m68k_save_result(inst, dst, opts);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3200 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3201 if (src_op.mode == MODE_IMMED) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3202 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	3203 if (dst_op.mode == MODE_REG_DIRECT) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3204 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3205 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	3206 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3207 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	3208 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3209 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3210 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3211 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	3212 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3213 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	3214 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3215 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3216 dst = setcc_r(dst, CC_C, FLAG_C);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3217 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3218 if (src_op.mode == MODE_REG_DIRECT) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3219 if (src_op.base != SCRATCH1) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3220 dst = mov_rr(dst, src_op.base, SCRATCH1, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3221 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3222 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3223 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	3224 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3225 dst = and_ir(dst, 63, SCRATCH1, SZ_D);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3226 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	3227 dst = jcc(dst, CC_Z, dst+2);
122 0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3228 dst = add_rr(dst, SCRATCH1, CYCLES, SZ_D);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3229 dst = add_rr(dst, SCRATCH1, CYCLES, SZ_D);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3230 dst = cmp_ir(dst, 32, SCRATCH1, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3231 norm_off = dst+1;
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3232 dst = jcc(dst, CC_L, dst+2);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3233 if (dst_op.mode == MODE_REG_DIRECT) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3234 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3235 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	3236 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	3237 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3238 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	3239 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	3240 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3241 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3242 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3243 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	3244 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	3245 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3246 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	3247 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	3248 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3249 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3250 dst = sub_ir(dst, 32, SCRATCH1, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3251 *norm_off = dst - (norm_off+1);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3252 if (dst_op.mode == MODE_REG_DIRECT) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3253 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3254 dst = rol_clr(dst, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3255 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3256 dst = ror_clr(dst, dst_op.base, inst->extra.size);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3257 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3258 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3259 if (inst->op == M68K_ROL) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3260 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	3261 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3262 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	3263 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3264 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3265 dst = setcc_r(dst, CC_C, FLAG_C);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3266 end_off = dst + 1;
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3267 dst = jmp(dst, dst+2);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3268 *zero_off = dst - (zero_off+1);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3269 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3270 *end_off = dst - (end_off+1);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3271 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3272 if (dst_op.mode == MODE_REG_DIRECT) {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3273 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	3274 } else {
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3275 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	3276 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3277 dst = setcc_r(dst, CC_Z, FLAG_Z);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3278 dst = setcc_r(dst, CC_S, FLAG_N);
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3279 }
0a6da6c7c463 Implemented ROL and ROR Mike Pavone <pavone@retrodev.com> parents: 121 diff changeset	3280 break;
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3281 case M68K_ROXL:
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3282 case M68K_ROXR:
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3283 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	3284 if (inst->src.addr_mode == MODE_UNUSED) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3285 dst = cycles(dst, BUS);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3286 //Memory rotate
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3287 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	3288 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	3289 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	3290 } 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	3291 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	3292 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3293 dst = setcc_r(dst, CC_C, FLAG_C);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3294 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	3295 dst = setcc_r(dst, CC_Z, FLAG_Z);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3296 dst = setcc_r(dst, CC_S, FLAG_N);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3297 dst = m68k_save_result(inst, dst, opts);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3298 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3299 if (src_op.mode == MODE_IMMED) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3300 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	3301 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	3302 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3303 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	3304 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	3305 } 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	3306 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	3307 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3308 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3309 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	3310 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	3311 } 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	3312 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	3313 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3314 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3315 dst = setcc_r(dst, CC_C, FLAG_C);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3316 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3317 if (src_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3318 if (src_op.base != SCRATCH1) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3319 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	3320 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3321 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3322 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	3323 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3324 dst = and_ir(dst, 63, SCRATCH1, SZ_D);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3325 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	3326 dst = jcc(dst, CC_Z, dst+2);
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3327 dst = add_rr(dst, SCRATCH1, CYCLES, SZ_D);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3328 dst = add_rr(dst, SCRATCH1, CYCLES, SZ_D);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3329 dst = cmp_ir(dst, 32, SCRATCH1, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3330 norm_off = dst+1;
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3331 dst = jcc(dst, CC_L, dst+2);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3332 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	3333 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3334 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	3335 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	3336 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	3337 } 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	3338 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	3339 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	3340 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3341 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3342 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	3343 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	3344 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	3345 } 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	3346 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	3347 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	3348 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3349 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3350 dst = sub_ir(dst, 32, SCRATCH1, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3351 *norm_off = dst - (norm_off+1);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3352 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	3353 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3354 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	3355 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	3356 } 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	3357 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	3358 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3359 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3360 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	3361 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	3362 } 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	3363 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	3364 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3365 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3366 dst = setcc_r(dst, CC_C, FLAG_C);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3367 end_off = dst + 1;
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3368 dst = jmp(dst, dst+2);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3369 *zero_off = dst - (zero_off+1);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3370 dst = mov_ir(dst, 0, FLAG_C, SZ_B);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3371 *end_off = dst - (end_off+1);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3372 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3373 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3374 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	3375 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3376 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	3377 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3378 dst = setcc_r(dst, CC_Z, FLAG_Z);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3379 dst = setcc_r(dst, CC_S, FLAG_N);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3380 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3381 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3382 case M68K_RTE:
170 7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3383 //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	3384 //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	3385 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	3386 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	3387 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	3388 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	3389 //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	3390 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	3391 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	3392 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	3393 //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	3394 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	3395 end_off = dst+1;
121 f848aad2abef Fix logic for switching between USP and SSP Mike Pavone <pavone@retrodev.com> parents: 119 diff changeset	3396 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	3397 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	3398 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	3399 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	3400 *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	3401 //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	3402 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	3403 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	3404 break;
170 7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3405 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	3406 //Read saved CCR
170 7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3407 dst = mov_rr(dst, opts->aregs[7], SCRATCH1, SZ_D);
7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3408 dst = call(dst, (uint8_t *)m68k_read_word_scratch1);
7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3409 dst = add_ir(dst, 2, opts->aregs[7], SZ_D);
7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3410 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	3411 //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	3412 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	3413 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	3414 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	3415 //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	3416 dst = call(dst, (uint8_t *)m68k_native_addr);
170 7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3417 dst = jmp_r(dst, SCRATCH1);
7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3418 break;
7d1b04537377 Implement RTR Mike Pavone <pavone@retrodev.com> parents: 169 diff changeset	3419 /*case M68K_SBCD:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3420 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	3421 break;*/
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3422 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	3423 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	3424 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	3425 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	3426 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	3427 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	3428 } 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	3429 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	3430 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3431 } 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	3432 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	3433 } 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	3434 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	3435 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	3436 } 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	3437 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	3438 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3439 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3440 dst = setcc_r(dst, CC_C, FLAG_C);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3441 dst = setcc_r(dst, CC_Z, FLAG_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	3442 dst = setcc_r(dst, CC_S, FLAG_N);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3443 dst = setcc_r(dst, CC_O, FLAG_V);
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3444 dst = mov_rrind(dst, FLAG_C, CONTEXT, 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	3445 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	3446 break;
146 5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3447 case M68K_SUBX:
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3448 dst = cycles(dst, BUS);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3449 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	3450 if (src_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3451 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3452 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	3453 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3454 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	3455 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3456 } else if (src_op.mode == MODE_REG_DISPLACE8) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3457 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	3458 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3459 if (dst_op.mode == MODE_REG_DIRECT) {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3460 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	3461 } else {
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3462 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	3463 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3464 }
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3465 dst = setcc_r(dst, CC_C, FLAG_C);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3466 dst = setcc_r(dst, CC_Z, FLAG_Z);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3467 dst = setcc_r(dst, CC_S, FLAG_N);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3468 dst = setcc_r(dst, CC_O, FLAG_V);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3469 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	3470 dst = m68k_save_result(inst, dst, opts);
5416a5c4628e Implement most of the "X" instructions Mike Pavone <pavone@retrodev.com> parents: 133 diff changeset	3471 break;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3472 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	3473 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	3474 if (src_op.mode == MODE_REG_DIRECT) {
129 691e4b147cea Fix swap Mike Pavone <pavone@retrodev.com> parents: 128 diff changeset	3475 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	3476 } else{
129 691e4b147cea Fix swap Mike Pavone <pavone@retrodev.com> parents: 128 diff changeset	3477 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	3478 }
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	3479 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	3480 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	3481 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	3482 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	3483 break;
152 79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	3484 //case M68K_TAS:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3485 case M68K_TRAP:
152 79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	3486 dst = mov_ir(dst, src_op.disp, 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	3487 dst = mov_ir(dst, inst->address+2, SCRATCH1, SZ_D);
152 79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	3488 dst = jmp(dst, (uint8_t *)m68k_trap);
79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	3489 break;
79958b95526f Implement TRAP (untested) Mike Pavone <pavone@retrodev.com> parents: 151 diff changeset	3490 //case M68K_TRAPV:
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3491 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	3492 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	3493 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	3494 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	3495 } 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	3496 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	3497 }
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	3498 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	3499 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	3500 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	3501 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	3502 break;
78 463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3503 case M68K_UNLK:
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3504 dst = cycles(dst, BUS);
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3505 if (dst_op.mode == MODE_REG_DIRECT) {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3506 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	3507 } else {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3508 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	3509 }
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3510 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	3511 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	3512 if (dst_op.mode == MODE_REG_DIRECT) {
463641032588 Added untested support for LINK and UNLK Mike Pavone <pavone@retrodev.com> parents: 77 diff changeset	3513 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	3514 } else {
93 f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	3515 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	3516 }
93 f63b0e58e2d5 Implement EXT, add some fixes to LINK/UNLK Mike Pavone <pavone@retrodev.com> parents: 92 diff changeset	3517 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	3518 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	3519 default:
151 6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3520 m68k_disasm(inst, disasm_buf);
6b593ea0ed90 Implement MULU/MULS and DIVU/DIVS Mike Pavone <pavone@retrodev.com> parents: 150 diff changeset	3521 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	3522 exit(1);
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3523 }
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	3524 return dst;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3525 }
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	3526
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	3527 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	3528 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3529 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	3530 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	3531 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	3532 uint8_t * dst_end = opts->code_end;
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	3533 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	3534 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	3535 }
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	3536 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	3537 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	3538 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	3539 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	3540 } 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	3541 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	3542 } 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	3543 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	3544 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	3545 }
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	3546 do {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3547 do {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3548 if (dst_end-dst < 128) {
102 bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3549 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	3550 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	3551 exit(1);
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3552 }
bfaca67eeb78 allocate a new native code chunk when we run out of space Mike Pavone <pavone@retrodev.com> parents: 100 diff changeset	3553 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	3554 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	3555 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	3556 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	3557 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	3558 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	3559 }
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	3560 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	3561 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	3562 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	3563 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	3564 }
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	3565 next = m68k_decode(encoded, &instbuf, 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	3566 address += (next-encoded)*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	3567 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	3568 //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	3569 //printf("%X: %s\n", instbuf.address, disbuf);
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	3570 dst = translate_m68k(dst, &instbuf, opts);
177 09761d4391e1 Make sure we bail out of translation after translating an invalid instruction Mike Pavone <pavone@retrodev.com> parents: 176 diff changeset	3571 } while(instbuf.op != M68K_ILLEGAL && instbuf.op != M68K_INVALID && instbuf.op != M68K_TRAP && instbuf.op != M68K_RTS && instbuf.op != M68K_RTR && instbuf.op != M68K_RTE && !(instbuf.op == M68K_BCC && instbuf.extra.cond == COND_TRUE) && instbuf.op != M68K_JMP);
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	3572 process_deferred(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	3573 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	3574 address = opts->deferred->address;
124 da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3575 if ((address & 0xFFFFFF) < 0x400000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3576 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	3577 } else if ((address & 0xFFFFFF) > 0xE00000) {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3578 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	3579 } else {
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3580 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	3581 exit(1);
da95566514f3 Some fixes for translating code in located in RAM Mike Pavone <pavone@retrodev.com> parents: 123 diff changeset	3582 }
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	3583 } 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	3584 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	3585 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3586 } 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	3587 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	3588 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	3589 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3590
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	3591 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	3592 {
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	3593 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	3594 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	3595 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	3596 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	3597 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	3598 }
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	3599 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	3600 }
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	3601
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	3602 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	3603 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3604 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	3605 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	3606 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3607
19 4717146a7606 Initial support for M68k reset vector, rather than starting at an arbitrary address Mike Pavone <pavone@retrodev.com> parents: 18 diff changeset	3608 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	3609 {
71 f80fa1776507 Implement more instructions and address modes Mike Pavone <pavone@retrodev.com> parents: 70 diff changeset	3610 //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	3611 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	3612 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	3613 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	3614 }
4717146a7606 Initial support for M68k reset vector, rather than starting at an arbitrary address Mike Pavone <pavone@retrodev.com> parents: 18 diff changeset	3615
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	3616 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	3617 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3618 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	3619 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	3620 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	3621 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	3622 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	3623 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	3624 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	3625 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	3626 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	3627 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	3628 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	3629 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	3630 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	3631 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	3632 opts->code_end = opts->cur_code + 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	3633 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3634
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3635 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	3636 {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3637 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	3638 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	3639 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	3640 context->int_cycle = 0xFFFFFFFF;
167 f6c7fea1ecf7 Initialize status register to proper value on startup Mike Pavone <pavone@retrodev.com> parents: 165 diff changeset	3641 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	3642 }
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	3643

Mercurial > repos > blastem

annotate m68k_to_x86.c @ 183:2f08d9e90a4c