X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=boards%2Fn625092.c;fp=boards%2Fn625092.c;h=30d829855f4abdf9976a947fb50bdfff0e9597c3;hb=386f5371eb984fb9c2860c83e740890a75cd45c1;hp=0000000000000000000000000000000000000000;hpb=eec2623f6183dd0f9494b99065a16bf90f2a1ccf;p=fceu.git diff --git a/boards/n625092.c b/boards/n625092.c new file mode 100644 index 0000000..30d8298 --- /dev/null +++ b/boards/n625092.c @@ -0,0 +1,97 @@ +/* FCE Ultra - NES/Famicom Emulator + * + * Copyright notice for this file: + * Copyright (C) 2006 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 + * 700in1 and 400in1 carts + */ + + +#include "mapinc.h" + +static uint16 cmd, bank; + +static SFORMAT StateRegs[]= +{ + {&cmd, 2, "CMD"}, + {&bank, 2, "BANK"}, + {0} +}; + +static void Sync(void) +{ + setmirror((cmd&1)^1); + setchr8(0); + if(cmd&2) + { + if(cmd&0x100) + { + setprg16(0x8000,((cmd&0xe0)>>2)|bank); + setprg16(0xC000,((cmd&0xe0)>>2)|7); + } + else + { + setprg16(0x8000,((cmd&0xe0)>>2)|(bank&6)); + setprg16(0xC000,((cmd&0xe0)>>2)|((bank&6)|1)); + } + } + else + { + setprg16(0x8000,((cmd&0xe0)>>2)|bank); + setprg16(0xC000,((cmd&0xe0)>>2)|bank); + } +} + +static DECLFW(UNLN625092WriteCommand) +{ + cmd=A; + Sync(); +} + +static DECLFW(UNLN625092WriteBank) +{ + bank=A&7; + Sync(); +} + +static void UNLN625092Power(void) +{ + cmd=0; + bank=0; + Sync(); + SetReadHandler(0x8000,0xFFFF,CartBR); + SetWriteHandler(0x8000,0xBFFF,UNLN625092WriteCommand); + SetWriteHandler(0xC000,0xFFFF,UNLN625092WriteBank); +} + +static void UNLN625092Reset(void) +{ + cmd=0; + bank=0; +} + +static void StateRestore(int version) +{ + Sync(); +} + +void UNLN625092_Init(CartInfo *info) +{ + info->Reset=UNLN625092Reset; + info->Power=UNLN625092Power; + GameStateRestore=StateRestore; + AddExState(&StateRegs, ~0, 0, 0); +}