libretro/libretro-fceumm
1
0
Fork 0
mirror of https://github.com/libretro/libretro-fceumm.git synced 2025-01-15 05:17:50 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add mapper 432

Browse Source
This commit is contained in:
negativeExponent 2022-02-07 14:54:31 +08:00
parent 34210282bc
commit 4dc7da8e26
3 changed files with 66 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
src/boards/432.c Normal file
View File

@ -0,0 +1,64 @@
/* 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
*
*
*/
#include "mapinc.h"
#include "mmc3.h"
static void M432CW(uint32 A, uint8 V) {
if (EXPREGS[0] & 4)
setchr1(A, (V & 0x7F) | ((EXPREGS[0] << 7) & 0x80) | ((EXPREGS[0] << 5) & 0x100));
else
setchr1(A, V | ((EXPREGS[0] << 5) & 0x100));
}
static void M432PW(uint32 A, uint8 V) {
if (EXPREGS[0] & 4)
setprg8(A, (V & 0x0F) | ((EXPREGS[0] << 4) & 0x10) | ((EXPREGS[0] << 1) & 0x20));
else
setprg8(A, (V & 0x1F) | ((EXPREGS[0] << 1) & 0x20));
}
static DECLFW(M432Write) {
EXPREGS[0] = V;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
static void M432Reset(void) {
EXPREGS[0] = 0;
MMC3RegReset();
}
static void M432Power(void) {
EXPREGS[0] = 0;
GenMMC3Power();
SetWriteHandler(0x6000, 0x7FFF, M432Write);
}
void Mapper432_Init(CartInfo *info) {
GenMMC3_Init(info, 256, 256, 0, 0);
cwrap = M432CW;
pwrap = M432PW;
info->Power = M432Power;
info->Reset = M432Reset;
AddExState(EXPREGS, 1, 0, "EXPR");
}

1
src/ines.c
View File

@ -712,6 +712,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "0353", 415, Mapper415_Init )
INES_BOARD( "4-in-1/N-32", 416, Mapper416_Init )
INES_BOARD( "BS-400R/BS-4040", 422, Mapper422_Init )
INES_BOARD( "Realtec 8090", 432, Mapper432_Init )
INES_BOARD( "Brilliant Com Cocoma Pack", 516, Mapper516_Init )
INES_BOARD( "Sachen 3014", 533, Mapper533_Init )
INES_BOARD( "NJ064", 534, Mapper534_Init )

1
src/ines.h
View File

@ -299,6 +299,7 @@ void Mapper421_Init(CartInfo *);
void Mapper422_Init(CartInfo *);
void Mapper428_Init(CartInfo *);
void Mapper429_Init(CartInfo *);
void Mapper432_Init(CartInfo *);
void Mapper434_Init(CartInfo *);
void Mapper436_Init(CartInfo *);
void Mapper437_Init(CartInfo *);