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annotate trans.c @ 354:15dd6418fe67

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Initial PSG support. Mostly works, noise channel is borked though.
author Mike Pavone <pavone@retrodev.com>
date Thu, 23 May 2013 23:42:42 -0700
parents e657a99b5abf
children 306986209cba
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3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes
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1 #include "68kinst.h"
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2 #include "m68k_to_x86.h"
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3 #include "mem.h"
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4 #include <stdio.h>
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5 #include <stdlib.h>
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6
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7 int main(int argc, char ** argv)
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8 {
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9 long filesize;
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10 unsigned short *filebuf;
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11 char disbuf[1024];
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12 unsigned short * cur;
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13 x86_68k_options opts;
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14 m68k_context context;
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15 FILE * f = fopen(argv[1], "rb");
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16 fseek(f, 0, SEEK_END);
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17 filesize = ftell(f);
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18 fseek(f, 0, SEEK_SET);
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19 filebuf = malloc(filesize);
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20 fread(filebuf, 2, filesize/2, f);
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21 fclose(f);
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22 for(cur = filebuf; cur - filebuf < (filesize/2); ++cur)
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23 {
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24 *cur = (*cur >> 8) | (*cur << 8);
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25 }
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26 init_x86_68k_opts(&opts);
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27 init_68k_context(&context, opts.native_code_map, &opts);
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28 //cartridge ROM
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29 context.mem_pointers[0] = filebuf;
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30 context.target_cycle = 0x7FFFFFFF;
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31 //work RAM
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32 context.mem_pointers[1] = malloc(64 * 1024);
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33 uint32_t address;
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34 address = filebuf[2] << 16 | filebuf[3];
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35 translate_m68k_stream(address, &context);
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4717146a7606 Initial support for M68k reset vector, rather than starting at an arbitrary address
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36 m68k_reset(&context);
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37 return 0;
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38 }