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Diffstat (limited to 'src/emma.c')
-rw-r--r-- | src/emma.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/src/emma.c b/src/emma.c deleted file mode 100644 index 6709ec8..0000000 --- a/src/emma.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - - 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 */ |