X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2F179.c;fp=boards%2F179.c;h=91a530fe22cb365a049833f45f2c8c406e9c287f;hp=0000000000000000000000000000000000000000;hb=386f5371eb984fb9c2860c83e740890a75cd45c1;hpb=eec2623f6183dd0f9494b99065a16bf90f2a1ccf diff --git a/boards/179.c b/boards/179.c new file mode 100644 index 0000000..91a530f --- /dev/null +++ b/boards/179.c @@ -0,0 +1,94 @@ +/* FCE Ultra - NES/Famicom Emulator + * + * Copyright notice for this file: + * Copyright (C) 2007 CaH4e3 + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "mapinc.h" + +static uint8 reg[2]; + +static uint8 *WRAM=NULL; +static uint32 WRAMSIZE; + +static SFORMAT StateRegs[]= +{ + {reg, 2, "REG"}, + {0} +}; + +static void Sync(void) +{ + setchr8(0); + setprg8r(0x10,0x6000,0); + setprg32(0x8000,reg[1]>>1); + setmirror((reg[0]&1)^1); +} + +static DECLFW(M179Write) +{ + if(A==0xa000) reg[0]=V; + Sync(); +} + +static DECLFW(M179WriteLo) +{ + if(A==0x5ff1) reg[1]=V; + Sync(); +} + +static void M179Power(void) +{ + reg[0]=reg[1]=0; + Sync(); + SetWriteHandler(0x4020,0x5fff,M179WriteLo); + SetReadHandler(0x6000,0x7fff,CartBR); + SetWriteHandler(0x6000,0x7fff,CartBW); + SetReadHandler(0x8000,0xFFFF,CartBR); + SetWriteHandler(0x8000,0xFFFF,M179Write); +} + +static void M179Close(void) +{ + if(WRAM) + FCEU_gfree(WRAM); + WRAM=NULL; +} + +static void StateRestore(int version) +{ + Sync(); +} + +void Mapper179_Init(CartInfo *info) +{ + info->Power=M179Power; + info->Close=M179Close; + GameStateRestore=StateRestore; + + WRAMSIZE=8192; + WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE); + SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1); + AddExState(WRAM, WRAMSIZE, 0, "WRAM"); + if(info->battery) + { + info->SaveGame[0]=WRAM; + info->SaveGameLen[0]=WRAMSIZE; + } + + AddExState(&StateRegs, ~0, 0, 0); +}