Mercurial > repos > blastem
annotate trans.c @ 180:8b846bcff6a2
Fix rendering of sprites at the top edge of screen
author | Mike Pavone <pavone@retrodev.com> |
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date | Tue, 08 Jan 2013 09:34:46 -0800 |
parents | 4717146a7606 |
children | e657a99b5abf |
rev | line source |
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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 size_t size = 1024 * 1024; |
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13 uint8_t * transbuf = alloc_code(&size); |
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14 uint8_t *trans_cur, *end; |
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15 unsigned short * cur; |
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16 x86_68k_options opts; |
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17 m68k_context context; |
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18 FILE * f = fopen(argv[1], "rb"); |
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19 fseek(f, 0, SEEK_END); |
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20 filesize = ftell(f); |
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21 fseek(f, 0, SEEK_SET); |
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22 filebuf = malloc(filesize); |
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23 fread(filebuf, 2, filesize/2, f); |
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24 fclose(f); |
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25 for(cur = filebuf; cur - filebuf < (filesize/2); ++cur) |
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26 { |
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27 *cur = (*cur >> 8) | (*cur << 8); |
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28 } |
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29 init_x86_68k_opts(&opts); |
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30 init_68k_context(&context, opts.native_code_map, &opts); |
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31 //cartridge ROM |
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32 context.mem_pointers[0] = filebuf; |
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33 context.target_cycle = 0x7FFFFFFF; |
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34 //work RAM |
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35 context.mem_pointers[1] = malloc(64 * 1024); |
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36 translate_m68k_stream(transbuf, transbuf + size, 0, &context); |
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4717146a7606
Initial support for M68k reset vector, rather than starting at an arbitrary address
Mike Pavone <pavone@retrodev.com>
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37 m68k_reset(&context); |
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38 return 0; |
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39 } |