X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=boards%2Fa9711.c;fp=boards%2Fa9711.c;h=3fb546045854c70e4eacf4803d9fe57691856043;hb=386f5371eb984fb9c2860c83e740890a75cd45c1;hp=0000000000000000000000000000000000000000;hpb=eec2623f6183dd0f9494b99065a16bf90f2a1ccf;p=fceu.git diff --git a/boards/a9711.c b/boards/a9711.c new file mode 100644 index 0000000..3fb5460 --- /dev/null +++ b/boards/a9711.c @@ -0,0 +1,78 @@ +/* FCE Ultra - NES/Famicom Emulator + * + * Copyright notice for this file: + * Copyright (C) 2005 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" +#include "mmc3.h" + +//static uint8 m_perm[8] = {0, 1, 0, 3, 0, 5, 6, 7}; + +static void UNLA9711PW(uint32 A, uint8 V) +{ + if((EXPREGS[0]&0xFF) == 0x37) + { + setprg8(0x8000, 0x13); + setprg8(0xA000, 0x13); + setprg8(0xC000, 0x13); + setprg8(0xE000, 0x0); +// uint8 bank=EXPREGS[0]&0x1F; +// if(EXPREGS[0]&0x20) +// setprg32(0x8000,bank>>2); +// else +// { +// setprg16(0x8000,bank); +// setprg16(0xC000,bank); +// } + } + else + setprg8(A,V&0x3F); +} + +//static DECLFW(UNLA9711Write8000) +//{ +// FCEU_printf("bs %04x %02x\n",A,V); +// if(V&0x80) +// MMC3_CMDWrite(A,V); +// else +// MMC3_CMDWrite(A,m_perm[V&7]); +// if(V!=0x86) MMC3_CMDWrite(A,V); +//} + +static DECLFW(UNLA9711WriteLo) +{ + FCEU_printf("bs %04x %02x\n",A,V); + EXPREGS[0]=V; + FixMMC3PRG(MMC3_cmd); +} + +static void UNLA9711Power(void) +{ + EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=0; + GenMMC3Power(); + SetWriteHandler(0x5000,0x5FFF,UNLA9711WriteLo); +// SetWriteHandler(0x8000,0xbfff,UNLA9711Write8000); +} + +void UNLA9711_Init(CartInfo *info) +{ + GenMMC3_Init(info, 256, 256, 0, 0); + pwrap=UNLA9711PW; + info->Power=UNLA9711Power; + AddExState(EXPREGS, 3, 0, "EXPR"); +}