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Add mapper 128
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LibretroAdmin committed Jun 10, 2024
1 parent bc9d865 commit a852437
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56 changes: 56 additions & 0 deletions src/boards/128.c
Original file line number Diff line number Diff line change
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/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2023
*
* 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 "latch.h"

static uint16 outerbank = 0;

static void Sync(void) {
setprg16(0x8000, (outerbank >> 2) | (latch.data & 7));
setprg16(0xC000, (outerbank >> 2) | 7);
setchr8(0);
setmirror(((outerbank >> 1) & 1) ^ 1);
}

static DECLFW(M128Write) {
if (outerbank < 0xF000) {
outerbank = A;
}
LatchWrite(A, V);
}

static void M128Reset() {
outerbank = 0;
LatchHardReset();
}

static void M128Power() {
outerbank = 0;
LatchPower();
SetWriteHandler(0x8000, 0xFFFF, M128Write);
}

void Mapper128_Init(CartInfo *info) {
Latch_Init(info, Sync, NULL, 0, 0);
info->Power = M128Power;
info->Reset = M128Reset;
AddExState(&outerbank, 2, 0, "BANK");
}
2 changes: 1 addition & 1 deletion src/ines.c
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Expand Up @@ -549,7 +549,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "FDS LH32", 125, LH32_Init )
INES_BOARD( "PowerJoy 84-in-1 PJ-008", 126, Mapper126_Init )
/* INES_BOARD( "", 127, Mapper127_Init ) */
/* INES_BOARD( "", 128, Mapper128_Init ) */
INES_BOARD( "1994 Super HiK 4-in-1", 128, Mapper128_Init )
/* INES_BOARD( "", 129, Mapper129_Init ) */
/* INES_BOARD( "", 130, Mapper130_Init ) */
/* INES_BOARD( "", 131, Mapper131_Init ) */
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1 change: 1 addition & 0 deletions src/ines.h
Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,7 @@ void Mapper120_Init(CartInfo *);
void Mapper121_Init(CartInfo *);
void Mapper125_Init(CartInfo *);
void Mapper126_Init(CartInfo *);
void Mapper128_Init(CartInfo *);
void Mapper132_Init(CartInfo *);
void Mapper134_Init(CartInfo *);
void Mapper136_Init(CartInfo *);
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