Mercurial > repos > blastem
view trans.c @ 541:a59ac6b4b5b5
Get rid of the native stack option the 68K core. Trying to make it work with code that messes with the stack is not worth the trouble.
author | Michael Pavone <pavone@retrodev.com> |
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date | Sat, 15 Feb 2014 22:35:18 -0800 |
parents | 140af5509ce7 |
children | 8e395210f50f |
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/* Copyright 2013 Michael Pavone This file is part of BlastEm. BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. */ #include "68kinst.h" #include "m68k_to_x86.h" #include "mem.h" #include <stdio.h> #include <stdlib.h> #include <string.h> m68k_context * sync_components(m68k_context * context, uint32_t address) { if (context->current_cycle > 0x80000000) { context->current_cycle -= 0x80000000; } return context; } int main(int argc, char ** argv) { long filesize; unsigned short *filebuf; char disbuf[1024]; unsigned short * cur; x86_68k_options opts; m68k_context context; FILE * f = fopen(argv[1], "rb"); fseek(f, 0, SEEK_END); filesize = ftell(f); fseek(f, 0, SEEK_SET); filebuf = malloc(filesize > 0x400000 ? filesize : 0x400000); fread(filebuf, 2, filesize/2, f); fclose(f); for(cur = filebuf; cur - filebuf < (filesize/2); ++cur) { *cur = (*cur >> 8) | (*cur << 8); } memmap_chunk memmap[2]; memset(memmap, 0, sizeof(memmap_chunk)*2); memmap[0].end = 0x400000; memmap[0].mask = 0xFFFFFF; memmap[0].flags = MMAP_READ; memmap[0].buffer = filebuf; memmap[1].start = 0xE00000; memmap[1].end = 0x1000000; memmap[1].mask = 0xFFFF; memmap[1].flags = MMAP_READ | MMAP_WRITE | MMAP_CODE; memmap[1].buffer = malloc(64 * 1024); init_x86_68k_opts(&opts, memmap, 2); init_68k_context(&context, opts.native_code_map, &opts); context.mem_pointers[0] = memmap[0].buffer; context.mem_pointers[1] = memmap[1].buffer; context.target_cycle = context.sync_cycle = 0x80000000; uint32_t address; address = filebuf[2] << 16 | filebuf[3]; translate_m68k_stream(address, &context); m68k_reset(&context); return 0; }