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Diffstat (limited to 'src/emma.c')
-rw-r--r-- | src/emma.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/emma.c b/src/emma.c new file mode 100644 index 0000000..6bbf117 --- /dev/null +++ b/src/emma.c @@ -0,0 +1,90 @@ +/* + + 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); + + +/* ---------------------------------------- MAIN +*/ +int main(int argc, char *argv[]) +{ + Z80 *z80; + + z80=Z80Init(WriteMem,ReadMem,WritePort,ReadPort); + + if (!z80) + { + printf("Failed to initialise Z80\n"); + return EXIT_FAILURE; + } + + 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); +} + + +/* END OF FILE */ |