Mercurial > repos > blastem
annotate trans.c @ 546:90aca661542b
Make references to flags in the M68K core respect the flag_regs options array so that flags can be moved out of registers for the 32-bit port. set/get ccr/sr still need to be updated to support this, but everything else should be done.
author | Michael Pavone <pavone@retrodev.com> |
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date | Mon, 17 Feb 2014 19:58:37 -0800 |
parents | 140af5509ce7 |
children | 8e395210f50f |
rev | line source |
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Added copyright notice to source files and added GPL license text in COPYING
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1 /* |
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2 Copyright 2013 Michael Pavone |
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3 This file is part of BlastEm. |
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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. |
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5 */ |
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6 #include "68kinst.h" |
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7 #include "m68k_to_x86.h" |
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8 #include "mem.h" |
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9 #include <stdio.h> |
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10 #include <stdlib.h> |
440 | 11 #include <string.h> |
12 | |
13 m68k_context * sync_components(m68k_context * context, uint32_t address) | |
14 { | |
15 if (context->current_cycle > 0x80000000) { | |
16 context->current_cycle -= 0x80000000; | |
17 } | |
18 return context; | |
19 } | |
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20 |
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21 int main(int argc, char ** argv) |
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22 { |
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23 long filesize; |
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24 unsigned short *filebuf; |
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25 char disbuf[1024]; |
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26 unsigned short * cur; |
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27 x86_68k_options opts; |
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28 m68k_context context; |
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29 FILE * f = fopen(argv[1], "rb"); |
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30 fseek(f, 0, SEEK_END); |
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31 filesize = ftell(f); |
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32 fseek(f, 0, SEEK_SET); |
440 | 33 filebuf = malloc(filesize > 0x400000 ? filesize : 0x400000); |
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34 fread(filebuf, 2, filesize/2, f); |
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35 fclose(f); |
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36 for(cur = filebuf; cur - filebuf < (filesize/2); ++cur) |
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37 { |
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38 *cur = (*cur >> 8) | (*cur << 8); |
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39 } |
440 | 40 memmap_chunk memmap[2]; |
41 memset(memmap, 0, sizeof(memmap_chunk)*2); | |
42 memmap[0].end = 0x400000; | |
43 memmap[0].mask = 0xFFFFFF; | |
44 memmap[0].flags = MMAP_READ; | |
45 memmap[0].buffer = filebuf; | |
46 | |
47 memmap[1].start = 0xE00000; | |
48 memmap[1].end = 0x1000000; | |
49 memmap[1].mask = 0xFFFF; | |
50 memmap[1].flags = MMAP_READ | MMAP_WRITE | MMAP_CODE; | |
51 memmap[1].buffer = malloc(64 * 1024); | |
52 init_x86_68k_opts(&opts, memmap, 2); | |
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53 init_68k_context(&context, opts.native_code_map, &opts); |
440 | 54 context.mem_pointers[0] = memmap[0].buffer; |
55 context.mem_pointers[1] = memmap[1].buffer; | |
56 context.target_cycle = context.sync_cycle = 0x80000000; | |
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Fixed up trans for changes to translate_m68k_stream, but still need to deal with missing callbacks.
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57 uint32_t address; |
e657a99b5abf
Fixed up trans for changes to translate_m68k_stream, but still need to deal with missing callbacks.
Mike Pavone <pavone@retrodev.com>
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58 address = filebuf[2] << 16 | filebuf[3]; |
e657a99b5abf
Fixed up trans for changes to translate_m68k_stream, but still need to deal with missing callbacks.
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59 translate_m68k_stream(address, &context); |
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Initial support for M68k reset vector, rather than starting at an arbitrary address
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60 m68k_reset(&context); |
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61 return 0; |
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62 } |
440 | 63 |