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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"
#ifdef NEW_CORE
#include "z80.h"
#include <string.h>
#else
#include "z80_to_x86.h"
#endif
#include "mem.h"
#include "vdp.h"
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <stdarg.h>
void fatal_error(char *format, ...)
{
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
exit(1);
}
uint8_t z80_ram[0x2000];
uint8_t z80_unmapped_read(uint32_t location, void * context)
{
return 0xFF;
}
void * z80_unmapped_write(uint32_t location, void * context, uint8_t value)
{
return context;
}
const memmap_chunk z80_map[] = {
{ 0x0000, 0x4000, 0x1FFF, 0, 0, MMAP_READ | MMAP_WRITE | MMAP_CODE, z80_ram, NULL, NULL, NULL, NULL },
{ 0x4000, 0x10000, 0xFFFF, 0, 0, 0, NULL, NULL, NULL, z80_unmapped_read, z80_unmapped_write}
};
const memmap_chunk port_map[] = {
{ 0x0000, 0x100, 0xFF, 0, 0, 0, NULL, NULL, NULL, z80_unmapped_read, z80_unmapped_write}
};
#ifndef NEW_CORE
void z80_next_int_pulse(z80_context * context)
{
context->int_pulse_start = context->int_pulse_end = CYCLE_NEVER;
}
#endif
int main(int argc, char ** argv)
{
long filesize;
uint8_t *filebuf;
z80_options opts;
z80_context *context;
char *fname = NULL;
uint8_t retranslate = 0;
for (int i = 1; i < argc; i++)
{
if (argv[i][0] == '-') {
switch(argv[i][1])
{
case 'r':
retranslate = 1;
break;
default:
fprintf(stderr, "Unrecognized switch -%c\n", argv[i][1]);
exit(1);
}
} else if (!fname) {
fname = argv[i];
}
}
if (!fname) {
fputs("usage: ztestrun zrom [cartrom]\n", stderr);
exit(1);
}
FILE * f = fopen(fname, "rb");
if (!f) {
fprintf(stderr, "unable to open file %s\n", fname);
exit(1);
}
fseek(f, 0, SEEK_END);
filesize = ftell(f);
fseek(f, 0, SEEK_SET);
filesize = filesize < sizeof(z80_ram) ? filesize : sizeof(z80_ram);
if (fread(z80_ram, 1, filesize, f) != filesize) {
fprintf(stderr, "error reading %s\n",fname);
exit(1);
}
fclose(f);
init_z80_opts(&opts, z80_map, 2, port_map, 1, 1, 0xFF);
context = init_z80_context(&opts);
#ifdef NEW_CORE
z80_execute(context, 1000);
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->main[7], context->main[0], context->main[1],
context->main[2], context->main[3],
(context->main[4] << 8) | context->main[5],
context->ix,
context->iy,
context->sp, context->imode, context->iff1, context->iff2);
printf("Flags: SZYHXVNC\n"
" %d%d%d%d%d%d%d%d\n",
context->last_flag_result >> 7, context->zflag != 0, context->last_flag_result >> 5 & 1, context->chflags >> 3 & 1,
context->last_flag_result >> 3 & 1, context->pvflag != 0, context->nflag != 0, context->chflags >> 7 & 1
);
puts("--Alternate Regs--");
printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\n",
context->alt[7], context->alt[0], context->alt[1],
context->alt[2], context->alt[3],
(context->alt[4] << 8) | context->alt[5]);
#else
//Z80 RAM
context->mem_pointers[0] = z80_ram;
if (retranslate) {
//run core long enough to translate code
z80_run(context, 1);
for (int i = 0; i < filesize; i++)
{
z80_handle_code_write(i, context);
}
z80_assert_reset(context, context->current_cycle);
z80_clear_reset(context, context->current_cycle + 3);
z80_adjust_cycles(context, context->current_cycle);
}
z80_run(context, 1000);
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: SZYHXVNC\n"
" %d%d%d%d%d%d%d%d\n",
context->flags[ZF_S], context->flags[ZF_Z], context->flags[ZF_XY] >> 5 & 1, context->flags[ZF_H],
context->flags[ZF_XY] >> 3 & 1, 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]);
#endif
return 0;
}
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