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/*
emma - Z80 testbed
Copyright (C) 2003 Ian Cowburn (ianc@noddybox.demon.co.uk)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-------------------------------------------------------------------------
*/
static const char id[]="$Id$";
#include <stdlib.h>
#include <stdio.h>
#include "z80.h"
/* ---------------------------------------- GLOBALS
*/
static Z80Byte mem[0x10000];
/* ---------------------------------------- PROTOS
*/
static Z80Byte ReadMem(Z80 *z80, Z80Word addr);
static void WriteMem(Z80 *z80, Z80Word addr, Z80Byte val);
static Z80Byte ReadPort(Z80 *z80, Z80Word addr);
static void WritePort(Z80 *z80, Z80Word addr, Z80Byte val);
static const char *Label(Z80 *z80, Z80Word addr);
/* ---------------------------------------- MAIN
*/
int main(int argc, char *argv[])
{
Z80 *z80;
FILE *fp;
Z80Word pc=0;
z80=Z80Init(WriteMem,ReadMem,WritePort,ReadPort,ReadMem,Label);
if (!z80)
{
printf("Failed to initialise Z80\n");
return EXIT_FAILURE;
}
if ((fp=fopen("/files/emu/ROM/zx81.rom","rb")))
{
fread(mem,1,0x10000,fp);
fclose(fp);
}
while(1)
{
Z80Word opc=pc;
printf("%4.4x: ",pc);
printf("%s\n",Z80Disassemble(z80,&pc));
if (pc<opc)
break;
}
return EXIT_SUCCESS;
}
/* ---------------------------------------- MEMORY
*/
static Z80Byte ReadMem(Z80 *z80, Z80Word addr)
{
return mem[addr];
}
static void WriteMem(Z80 *z80, Z80Word addr, Z80Byte val)
{
mem[addr]=val;
}
static Z80Byte ReadPort(Z80 *z80, Z80Word addr)
{
printf("Read from port 0x%4.4x\n",(int)addr);
return 0;
}
static void WritePort(Z80 *z80, Z80Word addr, Z80Byte val)
{
printf("Wrote 0x%2.2x to port 0x%4.4x\n",(int)val,(int)addr);
}
static const char *Label(Z80 *z80, Z80Word addr)
{
if (addr==0x0a2a)
return "CLS";
return NULL;
}
/* END OF FILE */
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