X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=mappers%2F95.c;fp=mappers%2F95.c;h=0000000000000000000000000000000000000000;hb=e2d0dd92bfad989cce4270fc0ac5a712476c7c50;hp=11b6a8e5a44555ee8b64f7d4a3bc927cf2561b21;hpb=971a1d07d2f5b5a6f991ed5712275c04b933734f;p=fceu.git diff --git a/mappers/95.c b/mappers/95.c deleted file mode 100644 index 11b6a8e..0000000 --- a/mappers/95.c +++ /dev/null @@ -1,136 +0,0 @@ -/* FCE Ultra - NES/Famicom Emulator - * - * Copyright notice for this file: - * Copyright (C) 2002 Xodnizel - * - * 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 - */ - -#include "mapinc.h" - -static uint8 lastA; -static uint8 DRegs[8]; -static uint8 cmd; -static uint8 MirCache[8]; - -static SFORMAT DB_StateRegs[]={ - {DRegs, 8, "DREG"}, - {&cmd, 1, "CMD"}, - {&lastA, 1, "LAST"}, - {0} -}; - -static void FP_FASTAPASS(1) dragonbust_ppu(uint32 A) -{ - static int last=-1; - static uint8 z; - - if(A>=0x2000) return; - - A>>=10; - - lastA=A; - - z=MirCache[A]; - if(z!=last) - { - onemir(z); - last=z; - } -} - -static void toot(void) -{ - int x; - - MirCache[0]=MirCache[1]=(DRegs[0]>>4)&1; - MirCache[2]=MirCache[3]=(DRegs[1]>>4)&1; - - for(x=0;x<4;x++) - MirCache[4+x]=(DRegs[2+x]>>5)&1; - onemir(MirCache[lastA]); -} - -static DECLFW(Mapper95_write) -{ - switch(A&0xF001) - { - - case 0x8000: - cmd = V; - break; - - case 0x8001: - switch(cmd&0x07) - { - case 0: DRegs[0]=(V&0x3F)>>1;toot();V>>=1;setchr2(0x0000,V&0x1F);break; - case 1: DRegs[1]=(V&0x3F)>>1;toot();V>>=1;setchr2(0x0800,V&0x1F);break; - case 2: DRegs[2]=V&0x3F;toot();setchr1(0x1000,V&0x1F); break; - case 3: DRegs[3]=V&0x3F;toot();setchr1(0x1400,V&0x1F); break; - case 4: DRegs[4]=V&0x3F;toot();setchr1(0x1800,V&0x1F); break; - case 5: DRegs[5]=V&0x3F;toot();setchr1(0x1C00,V&0x1F); break; - case 6: DRegs[6]=V&0x3F; - setprg8(0x8000,V); - break; - case 7: DRegs[7]=V&0x3F; - setprg8(0xA000,V); - break; - } - break; - } -} - -static void DBSync() -{ - int x; - - setchr2(0x0000,DRegs[0]); - setchr2(0x0800,DRegs[1]); - - for(x=0;x<4;x++) - setchr1(0x1000+x*0x400,DRegs[2+x]); - - setprg8(0x8000,DRegs[6]); - setprg8(0xa000,DRegs[7]); - toot(); -} - -static void DBPower(void) -{ - memset(DRegs,0x3F,8); - DRegs[0]=DRegs[1]=0x1F; - - DBSync(); - - setprg8(0xc000,0x3E); - setprg8(0xe000,0x3F); - - SetReadHandler(0x8000,0xffff,CartBR); - SetWriteHandler(0x8000,0xffff,Mapper95_write); -} - -static void StateRestore(int version) -{ - DBSync(); -} - -void Mapper95_Init(CartInfo *info) -{ - info->Power=DBPower; - AddExState(DB_StateRegs, ~0, 0, 0); - PPU_hook=dragonbust_ppu; - GameStateRestore=StateRestore; -} -