Mercurial > repos > blastem
view ztestrun.c @ 589:2dde38c1744f
Split gen_mem_fun out of m68k_core_x86 and make it more generic so it can be used by the Z80 core
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 11 Mar 2014 09:44:47 -0700 |
parents | 140af5509ce7 |
children | 5ef3fe516da9 |
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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 "z80inst.h" #include "z80_to_x86.h" #include "mem.h" #include "vdp.h" #include <stdio.h> #include <stdlib.h> uint8_t z80_ram[0x2000]; uint16_t cart[0x200000]; #define MCLKS_PER_Z80 15 //TODO: Figure out the exact value for this #define MCLKS_PER_FRAME (MCLKS_LINE*262) #define VINT_CYCLE ((MCLKS_LINE * 226)/MCLKS_PER_Z80) #define CYCLE_NEVER 0xFFFFFFFF uint8_t z80_read_ym(uint16_t location, z80_context * context) { return 0xFF; } z80_context * z80_write_ym(uint16_t location, z80_context * context, uint8_t value) { return context; } z80_context * z80_vdp_port_write(uint16_t location, z80_context * context, uint8_t value) { return context; } int main(int argc, char ** argv) { long filesize; uint8_t *filebuf; x86_z80_options opts; z80_context context; if (argc < 2) { fputs("usage: transz80 zrom [cartrom]\n", stderr); exit(1); } FILE * f = fopen(argv[1], "rb"); if (!f) { fprintf(stderr, "unable to open file %s\n", argv[2]); exit(1); } fseek(f, 0, SEEK_END); filesize = ftell(f); fseek(f, 0, SEEK_SET); fread(z80_ram, 1, filesize < sizeof(z80_ram) ? filesize : sizeof(z80_ram), f); fclose(f); if (argc > 2) { f = fopen(argv[2], "rb"); if (!f) { fprintf(stderr, "unable to open file %s\n", argv[2]); exit(1); } fseek(f, 0, SEEK_END); filesize = ftell(f); fseek(f, 0, SEEK_SET); fread(cart, 1, filesize < sizeof(cart) ? filesize : sizeof(cart), f); fclose(f); for(unsigned short * cur = cart; cur - cart < (filesize/2); ++cur) { *cur = (*cur >> 8) | (*cur << 8); } } init_x86_z80_opts(&opts); init_z80_context(&context, &opts); //Z80 RAM context.mem_pointers[0] = z80_ram; context.sync_cycle = context.target_cycle = 1000; context.int_cycle = CYCLE_NEVER; //cartridge/bank context.mem_pointers[1] = context.mem_pointers[2] = (uint8_t *)cart; z80_reset(&context); while (context.current_cycle < 1000) { z80_run(&context); } printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\nIX: %X\nIY: %X\nSP: %X\n\nIM: %d, IFF1: %d, IFF2: %d\n", context.regs[Z80_A], context.regs[Z80_B], context.regs[Z80_C], context.regs[Z80_D], context.regs[Z80_E], (context.regs[Z80_H] << 8) | context.regs[Z80_L], (context.regs[Z80_IXH] << 8) | context.regs[Z80_IXL], (context.regs[Z80_IYH] << 8) | context.regs[Z80_IYL], context.sp, context.im, context.iff1, context.iff2); printf("Flags: SZVNC\n" " %d%d%d%d%d\n", context.flags[ZF_S], context.flags[ZF_Z], context.flags[ZF_PV], context.flags[ZF_N], context.flags[ZF_C]); puts("--Alternate Regs--"); printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\n", context.alt_regs[Z80_A], context.alt_regs[Z80_B], context.alt_regs[Z80_C], context.alt_regs[Z80_D], context.alt_regs[Z80_E], (context.alt_regs[Z80_H] << 8) | context.alt_regs[Z80_L]); return 0; }