repos/blastem: m68k_core.c annotate

annotate m68k_core.c @ 580:5157bc966c1a

Refactor translate_m68k_cmp to use translate_m68k_arith

author	Michael Pavone <pavone@retrodev.com>
date	Wed, 05 Mar 2014 09:33:50 -0800
parents	1594525e2157
children	9f40aa5243c2

rev	line source
570 76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 /*
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 Copyright 2014 Michael Pavone
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 This file is part of BlastEm.
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 */
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 #include "m68k_core.h"
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	7 #include "m68k_internal.h"
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	8 #include "68kinst.h"
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	9 #include "backend.h"
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	10 #include "gen.h"
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	11 #include <stdio.h>
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	12 #include <stddef.h>
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	13 #include <stdlib.h>
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	14 #include <string.h>
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	15
574 1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	16 char disasm_buf[1024];
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	17
570 76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	18 int8_t native_reg(m68k_op_info * op, m68k_options * opts)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	19 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	20 if (op->addr_mode == MODE_REG) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	21 return opts->dregs[op->params.regs.pri];
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	22 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	23 if (op->addr_mode == MODE_AREG) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	24 return opts->aregs[op->params.regs.pri];
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	25 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	26 return -1;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	27 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	28
574 1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	29 size_t dreg_offset(uint8_t reg)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	30 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	31 return offsetof(m68k_context, dregs) + sizeof(uint32_t) * reg;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	32 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	33
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	34 size_t areg_offset(uint8_t reg)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	35 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	36 return offsetof(m68k_context, aregs) + sizeof(uint32_t) * reg;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	37 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	38
570 76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	39 //must be called with an m68k_op_info that uses a register
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	40 size_t reg_offset(m68k_op_info *op)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	41 {
574 1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	42 return op->addr_mode == MODE_REG ? dreg_offset(op->params.regs.pri) : areg_offset(op->params.regs.pri);
570 76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	43 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	44
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	45 void print_regs_exit(m68k_context * context)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	46 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	47 printf("XNZVC\n%d%d%d%d%d\n", context->flags[0], context->flags[1], context->flags[2], context->flags[3], context->flags[4]);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	48 for (int i = 0; i < 8; i++) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 printf("d%d: %X\n", i, context->dregs[i]);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	50 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	51 for (int i = 0; i < 8; i++) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	52 printf("a%d: %X\n", i, context->aregs[i]);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	53 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	54 exit(0);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	55 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	56
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	57 void m68k_read_size(m68k_options *opts, uint8_t size)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	58 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	59 switch (size)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	60 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	61 case OPSIZE_BYTE:
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	62 call(&opts->gen.code, opts->read_8);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	63 break;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	64 case OPSIZE_WORD:
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	65 call(&opts->gen.code, opts->read_16);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	66 break;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	67 case OPSIZE_LONG:
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	68 call(&opts->gen.code, opts->read_32);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	69 break;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	70 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	71 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	72
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	73 void m68k_write_size(m68k_options *opts, uint8_t size)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	74 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	75 switch (size)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	76 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	77 case OPSIZE_BYTE:
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	78 call(&opts->gen.code, opts->write_8);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	79 break;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	80 case OPSIZE_WORD:
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	81 call(&opts->gen.code, opts->write_16);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	82 break;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	83 case OPSIZE_LONG:
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	84 call(&opts->gen.code, opts->write_32_highfirst);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	85 break;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	86 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	87 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	88
574 1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	89 void translate_m68k_lea(m68k_options * opts, m68kinst * inst)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	90 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	91 code_info *code = &opts->gen.code;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	92 int8_t dst_reg = native_reg(&(inst->dst), opts);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	93 switch(inst->src.addr_mode)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	94 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	95 case MODE_AREG_INDIRECT:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	96 cycles(&opts->gen, BUS);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	97 if (dst_reg >= 0) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	98 areg_to_native(opts, inst->src.params.regs.pri, dst_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	99 } else {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	100 if (opts->aregs[inst->src.params.regs.pri] >= 0) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	101 native_to_areg(opts, opts->aregs[inst->src.params.regs.pri], inst->dst.params.regs.pri);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	102 } else {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	103 areg_to_native(opts, inst->src.params.regs.pri, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	104 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	105 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	106 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	107 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	108 case MODE_AREG_DISPLACE:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	109 cycles(&opts->gen, 8);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	110 calc_areg_displace(opts, &inst->src, dst_reg >= 0 ? dst_reg : opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	111 if (dst_reg < 0) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	112 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	113 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	114 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	115 case MODE_AREG_INDEX_DISP8:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	116 cycles(&opts->gen, 12);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	117 if (dst_reg < 0 \|\| inst->dst.params.regs.pri == inst->src.params.regs.pri \|\| inst->dst.params.regs.pri == (inst->src.params.regs.sec >> 1 & 0x7)) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	118 dst_reg = opts->gen.scratch1;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	119 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	120 calc_areg_index_disp8(opts, &inst->src, dst_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	121 if (dst_reg == opts->gen.scratch1) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	122 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	123 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	124 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	125 case MODE_PC_DISPLACE:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	126 cycles(&opts->gen, 8);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	127 ldi_areg(opts, inst->src.params.regs.displacement + inst->address+2, inst->dst.params.regs.pri);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	128 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	129 case MODE_PC_INDEX_DISP8:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	130 cycles(&opts->gen, BUS*3);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	131 if (dst_reg < 0 \|\| inst->dst.params.regs.pri == (inst->src.params.regs.sec >> 1 & 0x7)) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	132 dst_reg = opts->gen.scratch1;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	133 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	134 ldi_native(opts, inst->address+2, dst_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	135 calc_index_disp8(opts, &inst->src, dst_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	136 if (dst_reg == opts->gen.scratch1) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	137 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	138 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	139 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	140 case MODE_ABSOLUTE:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	141 case MODE_ABSOLUTE_SHORT:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	142 cycles(&opts->gen, (inst->src.addr_mode == MODE_ABSOLUTE) ? BUS * 3 : BUS * 2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	143 ldi_areg(opts, inst->src.params.immed, inst->dst.params.regs.pri);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	144 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	145 default:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	146 m68k_disasm(inst, disasm_buf);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	147 printf("%X: %s\naddress mode %d not implemented (lea src)\n", inst->address, disasm_buf, inst->src.addr_mode);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	148 exit(1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	149 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	150 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	151
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	152 void translate_m68k_pea(m68k_options * opts, m68kinst * inst)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	153 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	154 code_info *code = &opts->gen.code;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	155 switch(inst->src.addr_mode)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	156 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	157 case MODE_AREG_INDIRECT:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	158 cycles(&opts->gen, BUS);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	159 areg_to_native(opts, inst->src.params.regs.pri, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	160 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	161 case MODE_AREG_DISPLACE:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	162 cycles(&opts->gen, 8);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	163 calc_areg_displace(opts, &inst->src, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	164 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	165 case MODE_AREG_INDEX_DISP8:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	166 cycles(&opts->gen, 6);//TODO: Check to make sure this is correct
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	167 calc_areg_index_disp8(opts, &inst->src, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	168 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	169 case MODE_PC_DISPLACE:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	170 cycles(&opts->gen, 8);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	171 ldi_native(opts, inst->src.params.regs.displacement + inst->address+2, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	172 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	173 case MODE_PC_INDEX_DISP8:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	174 cycles(&opts->gen, BUS*3);//TODO: Check to make sure this is correct
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	175 ldi_native(opts, inst->address+2, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	176 calc_index_disp8(opts, &inst->src, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	177 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	178 case MODE_ABSOLUTE:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	179 case MODE_ABSOLUTE_SHORT:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	180 cycles(&opts->gen, (inst->src.addr_mode == MODE_ABSOLUTE) ? BUS * 3 : BUS * 2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	181 ldi_native(opts, inst->src.params.immed, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	182 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	183 default:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	184 m68k_disasm(inst, disasm_buf);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	185 printf("%X: %s\naddress mode %d not implemented (lea src)\n", inst->address, disasm_buf, inst->src.addr_mode);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	186 exit(1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	187 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	188 subi_areg(opts, 4, 7);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	189 areg_to_native(opts, 7, opts->gen.scratch2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	190 call(code, opts->write_32_lowfirst);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	191 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	192
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	193 void push_const(m68k_options *opts, int32_t value)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	194 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	195 ldi_native(opts, value, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	196 subi_areg(opts, 4, 7);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	197 areg_to_native(opts, 7, opts->gen.scratch2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	198 call(&opts->gen.code, opts->write_32_highfirst);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	199 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	200
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	201 void jump_m68k_abs(m68k_options * opts, uint32_t address)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	202 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	203 code_info *code = &opts->gen.code;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	204 code_ptr dest_addr = get_native_address(opts->gen.native_code_map, address);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	205 if (!dest_addr) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	206 opts->gen.deferred = defer_address(opts->gen.deferred, address, code->cur + 1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	207 //dummy address to be replaced later, make sure it generates a 4-byte displacement
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	208 dest_addr = code->cur + 256;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	209 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	210 jmp(code, dest_addr);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	211 //this used to call opts->native_addr for destinations in RAM, but that shouldn't be needed
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	212 //since instruction retranslation patches the original native instruction location
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	213 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	214
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	215 void translate_m68k_bsr(m68k_options * opts, m68kinst * inst)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	216 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	217 code_info *code = &opts->gen.code;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	218 int32_t disp = inst->src.params.immed;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	219 uint32_t after = inst->address + (inst->variant == VAR_BYTE ? 2 : 4);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	220 //TODO: Add cycles in the right place relative to pushing the return address on the stack
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	221 cycles(&opts->gen, 10);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	222 push_const(opts, after);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	223 jump_m68k_abs(opts, inst->address + 2 + disp);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	224 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	225
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	226 void translate_m68k_jmp_jsr(m68k_options * opts, m68kinst * inst)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	227 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	228 uint8_t is_jsr = inst->op == M68K_JSR;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	229 code_info *code = &opts->gen.code;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	230 code_ptr dest_addr;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	231 uint8_t sec_reg;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	232 uint32_t after;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	233 uint32_t m68k_addr;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	234 switch(inst->src.addr_mode)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	235 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	236 case MODE_AREG_INDIRECT:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	237 cycles(&opts->gen, BUS*2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	238 if (is_jsr) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	239 push_const(opts, inst->address+2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	240 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	241 areg_to_native(opts, inst->src.params.regs.pri, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	242 call(code, opts->native_addr);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	243 jmp_r(code, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	244 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	245 case MODE_AREG_DISPLACE:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	246 cycles(&opts->gen, BUS*2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	247 if (is_jsr) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	248 push_const(opts, inst->address+4);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	249 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	250 calc_areg_displace(opts, &inst->src, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	251 call(code, opts->native_addr);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	252 jmp_r(code, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	253 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	254 case MODE_AREG_INDEX_DISP8:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	255 cycles(&opts->gen, BUS*3);//TODO: CHeck that this is correct
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	256 if (is_jsr) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	257 push_const(opts, inst->address+4);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	258 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	259 calc_areg_index_disp8(opts, &inst->src, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	260 call(code, opts->native_addr);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	261 jmp_r(code, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	262 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	263 case MODE_PC_DISPLACE:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	264 //TODO: Add cycles in the right place relative to pushing the return address on the stack
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	265 cycles(&opts->gen, 10);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	266 if (is_jsr) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	267 push_const(opts, inst->address+4);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	268 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	269 jump_m68k_abs(opts, inst->src.params.regs.displacement + inst->address + 2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	270 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	271 case MODE_PC_INDEX_DISP8:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	272 cycles(&opts->gen, BUS*3);//TODO: CHeck that this is correct
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	273 if (is_jsr) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	274 push_const(opts, inst->address+4);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	275 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	276 ldi_native(opts, inst->address+2, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	277 calc_index_disp8(opts, &inst->src, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	278 call(code, opts->native_addr);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	279 jmp_r(code, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	280 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	281 case MODE_ABSOLUTE:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	282 case MODE_ABSOLUTE_SHORT:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	283 //TODO: Add cycles in the right place relative to pushing the return address on the stack
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	284 cycles(&opts->gen, inst->src.addr_mode == MODE_ABSOLUTE ? 12 : 10);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	285 if (is_jsr) {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	286 push_const(opts, inst->address + (inst->src.addr_mode == MODE_ABSOLUTE ? 6 : 4));
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	287 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	288 jump_m68k_abs(opts, inst->src.params.immed);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	289 break;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	290 default:
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	291 m68k_disasm(inst, disasm_buf);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	292 printf("%s\naddress mode %d not yet supported (%s)\n", disasm_buf, inst->src.addr_mode, is_jsr ? "jsr" : "jmp");
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	293 exit(1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	294 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	295 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	296
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	297 void translate_m68k_unlk(m68k_options * opts, m68kinst * inst)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	298 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	299 cycles(&opts->gen, BUS);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	300 areg_to_native(opts, inst->dst.params.regs.pri, opts->aregs[7]);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	301 areg_to_native(opts, 7, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	302 call(&opts->gen.code, opts->read_32);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	303 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	304 addi_areg(opts, 4, 7);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	305 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	306
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	307 void translate_m68k_link(m68k_options * opts, m68kinst * inst)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	308 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	309 //compensate for displacement word
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	310 cycles(&opts->gen, BUS);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	311 subi_areg(opts, 4, 7);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	312 areg_to_native(opts, 7, opts->gen.scratch2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	313 areg_to_native(opts, inst->src.params.regs.pri, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	314 call(&opts->gen.code, opts->write_32_highfirst);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	315 native_to_areg(opts, opts->aregs[7], inst->src.params.regs.pri);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	316 addi_areg(opts, inst->dst.params.immed, 7);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	317 //prefetch
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	318 cycles(&opts->gen, BUS);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	319 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	320
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	321 void translate_m68k_rts(m68k_options * opts, m68kinst * inst)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	322 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	323 code_info *code = &opts->gen.code;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	324 //TODO: Add cycles
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	325 areg_to_native(opts, 7, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	326 addi_areg(opts, 4, 7);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	327 call(code, opts->read_32);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	328 call(code, opts->native_addr);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	329 jmp_r(code, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	330 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	331
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	332 void translate_m68k_rtr(m68k_options opts, m68kinst inst)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	333 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	334 code_info *code = &opts->gen.code;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	335 //Read saved CCR
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	336 areg_to_native(opts, 7, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	337 call(code, opts->read_16);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	338 addi_areg(opts, 2, 7);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	339 call(code, opts->set_ccr);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	340 //Read saved PC
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	341 areg_to_native(opts, 7, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	342 call(code, opts->read_32);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	343 addi_areg(opts, 4, 7);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	344 //Get native address and jump to it
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	345 call(code, opts->native_addr);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	346 jmp_r(code, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	347 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	348
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	349 void translate_m68k_trap(m68k_options opts, m68kinst inst)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	350 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	351 code_info *code = &opts->gen.code;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	352 ldi_native(opts, inst->src.params.immed + VECTOR_TRAP_0, opts->gen.scratch2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	353 ldi_native(opts, inst->address+2, opts->gen.scratch1);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	354 jmp(code, opts->trap);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	355 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	356
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	357 void swap_ssp_usp(m68k_options * opts)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	358 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	359 areg_to_native(opts, 7, opts->gen.scratch2);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	360 areg_to_native(opts, 8, opts->aregs[7]);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	361 native_to_areg(opts, opts->gen.scratch2, 8);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	362 }
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	363
570 76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	364 code_ptr get_native_address(native_map_slot * native_code_map, uint32_t address)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	365 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	366 address &= 0xFFFFFF;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	367 address /= 2;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	368 uint32_t chunk = address / NATIVE_CHUNK_SIZE;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	369 if (!native_code_map[chunk].base) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	370 return NULL;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	371 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	372 uint32_t offset = address % NATIVE_CHUNK_SIZE;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	373 if (native_code_map[chunk].offsets[offset] == INVALID_OFFSET \|\| native_code_map[chunk].offsets[offset] == EXTENSION_WORD) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	374 return NULL;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	375 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	376 return native_code_map[chunk].base + native_code_map[chunk].offsets[offset];
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	377 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	378
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	379 code_ptr get_native_from_context(m68k_context * context, uint32_t address)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	380 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	381 return get_native_address(context->native_code_map, address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	382 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	383
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	384 uint32_t get_instruction_start(native_map_slot * native_code_map, uint32_t address)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	385 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	386 address &= 0xFFFFFF;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	387 address /= 2;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	388 uint32_t chunk = address / NATIVE_CHUNK_SIZE;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	389 if (!native_code_map[chunk].base) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	390 return 0;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	391 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	392 uint32_t offset = address % NATIVE_CHUNK_SIZE;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	393 if (native_code_map[chunk].offsets[offset] == INVALID_OFFSET) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	394 return 0;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	395 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	396 while (native_code_map[chunk].offsets[offset] == EXTENSION_WORD) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	397 --address;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	398 chunk = address / NATIVE_CHUNK_SIZE;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	399 offset = address % NATIVE_CHUNK_SIZE;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	400 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	401 return address*2;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	402 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	403
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	404 void map_native_address(m68k_context * context, uint32_t address, code_ptr native_addr, uint8_t size, uint8_t native_size)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	405 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	406 native_map_slot * native_code_map = context->native_code_map;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	407 m68k_options * opts = context->options;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	408 address &= 0xFFFFFF;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	409 if (address > 0xE00000) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	410 context->ram_code_flags[(address & 0xC000) >> 14] \|= 1 << ((address & 0x3800) >> 11);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	411 if (((address & 0x3FFF) + size) & 0xC000) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	412 context->ram_code_flags[((address+size) & 0xC000) >> 14] \|= 1 << (((address+size) & 0x3800) >> 11);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	413 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	414 uint32_t slot = (address & 0xFFFF)/1024;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	415 if (!opts->gen.ram_inst_sizes[slot]) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	416 opts->gen.ram_inst_sizes[slot] = malloc(sizeof(uint8_t) * 512);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	417 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	418 opts->gen.ram_inst_sizes[slot][((address & 0xFFFF)/2)%512] = native_size;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	419 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	420 address/= 2;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	421 uint32_t chunk = address / NATIVE_CHUNK_SIZE;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	422 if (!native_code_map[chunk].base) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	423 native_code_map[chunk].base = native_addr;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	424 native_code_map[chunk].offsets = malloc(sizeof(int32_t) * NATIVE_CHUNK_SIZE);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	425 memset(native_code_map[chunk].offsets, 0xFF, sizeof(int32_t) * NATIVE_CHUNK_SIZE);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	426 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	427 uint32_t offset = address % NATIVE_CHUNK_SIZE;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	428 native_code_map[chunk].offsets[offset] = native_addr-native_code_map[chunk].base;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	429 for(address++,size-=2; size; address++,size-=2) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	430 chunk = address / NATIVE_CHUNK_SIZE;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	431 offset = address % NATIVE_CHUNK_SIZE;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	432 if (!native_code_map[chunk].base) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	433 native_code_map[chunk].base = native_addr;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	434 native_code_map[chunk].offsets = malloc(sizeof(int32_t) * NATIVE_CHUNK_SIZE);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	435 memset(native_code_map[chunk].offsets, 0xFF, sizeof(int32_t) * NATIVE_CHUNK_SIZE);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	436 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	437 native_code_map[chunk].offsets[offset] = EXTENSION_WORD;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	438 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	439 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	440
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	441 uint8_t get_native_inst_size(m68k_options * opts, uint32_t address)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	442 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	443 if (address < 0xE00000) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	444 return 0;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	445 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	446 uint32_t slot = (address & 0xFFFF)/1024;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	447 return opts->gen.ram_inst_sizes[slot][((address & 0xFFFF)/2)%512];
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	448 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	449
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	450 uint8_t m68k_is_terminal(m68kinst * inst)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	451 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	452 return inst->op == M68K_RTS \|\| inst->op == M68K_RTE \|\| inst->op == M68K_RTR \|\| inst->op == M68K_JMP
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	453 \|\| inst->op == M68K_TRAP \|\| inst->op == M68K_ILLEGAL \|\| inst->op == M68K_INVALID \|\| inst->op == M68K_RESET
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	454 \|\| (inst->op == M68K_BCC && inst->extra.cond == COND_TRUE);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	455 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	456
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	457 void m68k_handle_deferred(m68k_context * context)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	458 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	459 m68k_options * opts = context->options;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	460 process_deferred(&opts->gen.deferred, context, (native_addr_func)get_native_from_context);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	461 if (opts->gen.deferred) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	462 translate_m68k_stream(opts->gen.deferred->address, context);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	463 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	464 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	465
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	466 void translate_m68k_stream(uint32_t address, m68k_context * context)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	467 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	468 m68kinst instbuf;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	469 m68k_options * opts = context->options;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	470 code_info *code = &opts->gen.code;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	471 address &= 0xFFFFFF;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	472 if(get_native_address(opts->gen.native_code_map, address)) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	473 return;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	474 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	475 char disbuf[1024];
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	476 uint16_t encoded, next;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	477 if ((address & 0xFFFFFF) < 0x400000) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	478 encoded = context->mem_pointers[0] + (address & 0xFFFFFF)/2;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	479 } else if ((address & 0xFFFFFF) > 0xE00000) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	480 encoded = context->mem_pointers[1] + (address & 0xFFFF)/2;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	481 } else {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	482 printf("attempt to translate non-memory address: %X\n", address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	483 exit(1);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	484 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	485 do {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	486 if (opts->address_log) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	487 fprintf(opts->address_log, "%X\n", address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	488 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	489 do {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	490 if (address >= 0x400000 && address < 0xE00000) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	491 translate_out_of_bounds(code);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	492 break;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	493 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	494 code_ptr existing = get_native_address(opts->gen.native_code_map, address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	495 if (existing) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	496 jmp(code, existing);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	497 break;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	498 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	499 next = m68k_decode(encoded, &instbuf, address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	500 if (instbuf.op == M68K_INVALID) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	501 instbuf.src.params.immed = *encoded;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	502 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	503 uint16_t m68k_size = (next-encoded)*2;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	504 address += m68k_size;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	505 encoded = next;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	506 //m68k_disasm(&instbuf, disbuf);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	507 //printf("%X: %s\n", instbuf.address, disbuf);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	508
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	509 //make sure the beginning of the code for an instruction is contiguous
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	510 check_code_prologue(code);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	511 code_ptr start = code->cur;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	512 translate_m68k(opts, &instbuf);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	513 code_ptr after = code->cur;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	514 map_native_address(context, instbuf.address, start, m68k_size, after-start);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	515 } while(!m68k_is_terminal(&instbuf));
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	516 process_deferred(&opts->gen.deferred, context, (native_addr_func)get_native_from_context);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	517 if (opts->gen.deferred) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	518 address = opts->gen.deferred->address;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	519 if ((address & 0xFFFFFF) < 0x400000) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	520 encoded = context->mem_pointers[0] + (address & 0xFFFFFF)/2;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	521 } else if ((address & 0xFFFFFF) > 0xE00000) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	522 encoded = context->mem_pointers[1] + (address & 0xFFFF)/2;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	523 } else {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	524 printf("attempt to translate non-memory address: %X\n", address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	525 exit(1);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	526 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	527 } else {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	528 encoded = NULL;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	529 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	530 } while(encoded != NULL);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	531 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	532
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	533 code_ptr get_native_address_trans(m68k_context * context, uint32_t address)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	534 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	535 address &= 0xFFFFFF;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	536 code_ptr ret = get_native_address(context->native_code_map, address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	537 if (!ret) {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	538 translate_m68k_stream(address, context);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	539 ret = get_native_address(context->native_code_map, address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	540 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	541 return ret;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	542 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	543
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	544 void remove_breakpoint(m68k_context * context, uint32_t address)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	545 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	546 code_ptr native = get_native_address(context->native_code_map, address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	547 check_cycles_int(context->options, address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	548 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	549
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	550 void start_68k_context(m68k_context * context, uint32_t address)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	551 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	552 code_ptr addr = get_native_address_trans(context, address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	553 m68k_options * options = context->options;
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	554 options->start_context(addr, context);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	555 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	556
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	557 void m68k_reset(m68k_context * context)
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	558 {
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	559 //TODO: Make this actually use the normal read functions
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	560 context->aregs[7] = context->mem_pointers[0][0] << 16 \| context->mem_pointers[0][1];
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	561 uint32_t address = context->mem_pointers[0][2] << 16 \| context->mem_pointers[0][3];
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	562 start_68k_context(context, address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	563 }
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts. Michael Pavone <pavone@retrodev.com> parents: diff changeset	564
574 1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	565
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	566 void init_68k_context(m68k_context * context, native_map_slot * native_code_map, void * opts)
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	567 {
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	568 memset(context, 0, sizeof(m68k_context));
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	569 context->native_code_map = native_code_map;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	570 context->options = opts;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	571 context->int_cycle = 0xFFFFFFFF;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	572 context->status = 0x27;
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts Michael Pavone <pavone@retrodev.com> parents: 570 diff changeset	573 }

Mercurial > repos > blastem

annotate m68k_core.c @ 580:5157bc966c1a