diff --git a/src/boards/267.c b/src/boards/267.c new file mode 100644 index 0000000..7993d1e --- /dev/null +++ b/src/boards/267.c @@ -0,0 +1,60 @@ +/* FCEUmm - NES/Famicom Emulator + * + * Copyright notice for this file: + * Copyright (C) 2020 negativeExponent + * + * 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. + */ + +/* NES 2.0 Mapper 267 - 8-in-1 JY-119 */ + +#include "mapinc.h" +#include "mmc3.h" + +#define OUTER_BANK (((EXPREGS[0] & 0x20) >> 2) | (EXPREGS[0] & 0x06)) + +static void M267CW(uint32 A, uint8 V) { + setchr1(A, (V & 0x7F) | (OUTER_BANK << 6)); +} + +static void M267PW(uint32 A, uint8 V) { + setprg8(A, (V & 0x1F) | (OUTER_BANK << 4)); +} + +static DECLFW(M267Write) { + EXPREGS[0] = V; + FixMMC3PRG(MMC3_cmd); + FixMMC3CHR(MMC3_cmd); +} + +static void M267Reset(void) { + EXPREGS[0] = 0; + MMC3RegReset(); +} + +static void M267Power(void) { + EXPREGS[0] = 0; + GenMMC3Power(); + SetWriteHandler(0x6000, 0x6FFF, M267Write); +} + +void Mapper267_Init(CartInfo *info) { + GenMMC3_Init(info, 128, 128, 0, 0); + cwrap = M267CW; + pwrap = M267PW; + info->Reset = M267Reset; + info->Power = M267Power; + AddExState(EXPREGS, 4, 0, "EXPR"); +} diff --git a/src/ines.c b/src/ines.c index 10b5fff..590e0e1 100644 --- a/src/ines.c +++ b/src/ines.c @@ -668,6 +668,7 @@ static BMAPPINGLocal bmap[] = { {(uint8_t*)"Realtec 8031", 390, Mapper390_Init }, {(uint8_t*)"60-1064-16L (FDS)", 538, Mapper538_Init }, {(uint8_t*)"LittleCom 160-in-1", 541, Mapper541_Init }, + {(uint8_t*)"8-in-1 JY-119", 267, Mapper267_Init }, /* UNIF to NES 2.0 BOARDS */ diff --git a/src/ines.h b/src/ines.h index cb50850..c8bc211 100644 --- a/src/ines.h +++ b/src/ines.h @@ -243,6 +243,7 @@ void Bs5652_Init(CartInfo *); void NC7000M_Init(CartInfo *); void J2282_Init(CartInfo *); +void Mapper267_Init(CartInfo *); void Mapper288_Init(CartInfo *); void Mapper357_Init(CartInfo *); void Mapper372_Init(CartInfo *);