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comparison trans.c @ 18:3e7bfde7606e

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M68K to x86 translation works for a limited subset of instructions and addressing modes
author Mike Pavone <pavone@retrodev.com>
date Tue, 04 Dec 2012 19:13:12 -0800
parents
children 4717146a7606
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17:de0085d4ea40 18:3e7bfde7606e
1 #include "68kinst.h"
2 #include "m68k_to_x86.h"
3 #include "mem.h"
4 #include <stdio.h>
5 #include <stdlib.h>
6
7 int main(int argc, char ** argv)
8 {
9 long filesize;
10 unsigned short *filebuf;
11 char disbuf[1024];
12 size_t size = 1024 * 1024;
13 uint8_t * transbuf = alloc_code(&size);
14 uint8_t *trans_cur, *end;
15 unsigned short * cur;
16 x86_68k_options opts;
17 m68k_context context;
18 FILE * f = fopen(argv[1], "rb");
19 fseek(f, 0, SEEK_END);
20 filesize = ftell(f);
21 fseek(f, 0, SEEK_SET);
22 filebuf = malloc(filesize);
23 fread(filebuf, 2, filesize/2, f);
24 fclose(f);
25 for(cur = filebuf; cur - filebuf < (filesize/2); ++cur)
26 {
27 *cur = (*cur >> 8) | (*cur << 8);
28 }
29 init_x86_68k_opts(&opts);
30 init_68k_context(&context, opts.native_code_map, &opts);
31 //cartridge ROM
32 context.mem_pointers[0] = filebuf;
33 context.target_cycle = 0x7FFFFFFF;
34 //work RAM
35 context.mem_pointers[1] = malloc(64 * 1024);
36 translate_m68k_stream(transbuf, transbuf + size, 0, &context);
37 start_68k_context(&context, 0);
38 return 0;
39 }