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comparison m68k_to_x86.c @ 559:6b248602ab84

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blastem builds and almost works on OS X now
author Mike Pavone <pavone@retrodev.com>
date Tue, 17 Jun 2014 01:50:29 -0400
parents dc9f178085a0
children f9431cb3a39c
comparison
equal deleted inserted replaced
558:dc9f178085a0 559:6b248602ab84
37 37
38 char disasm_buf[1024]; 38 char disasm_buf[1024];
39 39
40 m68k_context * sync_components(m68k_context * context, uint32_t address); 40 m68k_context * sync_components(m68k_context * context, uint32_t address);
41 41
42 void m68k_invalid(); 42 extern void bcd_add() asm("bcd_add");
43 void bcd_add(); 43 extern void bcd_sub() asm("bcd_sub");
44 void bcd_sub(); 44
45 void m68k_invalid(uint32_t address, m68k_context * context)
46 {
47 printf("Invalid instruction at %X\n", address);
48 exit(1);
49 }
45 50
46 code_ptr cycles(code_ptr dst, uint32_t num) 51 code_ptr cycles(code_ptr dst, uint32_t num)
47 { 52 {
48 dst = add_ir(dst, num, CYCLES, SZ_D); 53 dst = add_ir(dst, num, CYCLES, SZ_D);
49 return dst; 54 return dst;
2862 return translate_m68k_movep(dst, inst, opts); 2867 return translate_m68k_movep(dst, inst, opts);
2863 } else if(inst->op == M68K_INVALID) { 2868 } else if(inst->op == M68K_INVALID) {
2864 if (inst->src.params.immed == 0x7100) { 2869 if (inst->src.params.immed == 0x7100) {
2865 return retn(dst); 2870 return retn(dst);
2866 } 2871 }
2867 dst = mov_ir(dst, inst->address, SCRATCH1, SZ_D); 2872 dst = mov_ir(dst, inst->address, SCRATCH2, SZ_D);
2873 #ifdef X86_32
2874 dst = push_r(dst, CONTEXT);
2875 dst = push_r(dst, SCRATCH2);
2876 #endif
2868 return call(dst, (code_ptr)m68k_invalid); 2877 return call(dst, (code_ptr)m68k_invalid);
2869 } else if(inst->op == M68K_CMP) { 2878 } else if(inst->op == M68K_CMP) {
2870 return translate_m68k_cmp(dst, inst, opts); 2879 return translate_m68k_cmp(dst, inst, opts);
2871 } 2880 }
2872 x86_ea src_op, dst_op; 2881 x86_ea src_op, dst_op;