Added mapper 473.

This commit is contained in:
NewRisingSun
2025-04-05 23:16:46 +02:00
committed by LibretroAdmin
parent 205b4417aa
commit c7a131c0e0
3 changed files with 64 additions and 0 deletions

62
src/boards/473.c Normal file
View File

@@ -0,0 +1,62 @@
/* FCEUmm - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2025 NewRisingSun
*
* 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 Mapper473_PRGWrap(uint32 A, uint8 V) {
int prgAND =EXPREGS[0] &0x20? (0xFF >> (7 -(EXPREGS[0] &7))): 0x00;
int prgOR =EXPREGS[0] &0x20? (EXPREGS[1] | EXPREGS[2] <<8): 0x3F;
setprg8(A, V &prgAND | prgOR &~prgAND);
SetWriteHandler(0x8000, 0xBFFF, EXPREGS[0] &0x40? CartBW: MMC3_CMDWrite);
SetWriteHandler(0xC000, 0xFFFF, EXPREGS[0] &0x40? CartBW: MMC3_IRQWrite);
}
static void Mapper473_CHRWrap(uint32 A, uint8 V) {
if (~EXPREGS[0] &0x80)
setchr8(EXPREGS[3]);
else
setchr1(A, V);
}
static DECLFW(Mapper473_WriteReg) {
EXPREGS[A &3] =V;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
static void Mapper473_Reset(void) {
EXPREGS[0] =EXPREGS[1] =EXPREGS[2] =EXPREGS[3] =0;
MMC3RegReset();
}
static void Mapper473_Power(void) {
EXPREGS[0] =EXPREGS[1] =EXPREGS[2] =EXPREGS[3] =0;
GenMMC3Power();
SetWriteHandler(0x4800, 0x4FFF, Mapper473_WriteReg);
}
void Mapper473_Init(CartInfo *info) {
GenMMC3_Init(info, 512, 256, (info->PRGRamSize +info->PRGRamSaveSize) >>10, info->battery);
cwrap = Mapper473_CHRWrap;
pwrap = Mapper473_PRGWrap;
info->Power = Mapper473_Power;
info->Reset = Mapper473_Reset;
AddExState(EXPREGS, 4, 0, "EXPR");
}

View File

@@ -854,6 +854,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "BlazePro CPLD", 468, Mapper468_Init )
INES_BOARD( "INX_007T_V01", 470, INX_007T_Init )
INES_BOARD( "830947", 472, Mapper472_Init )
INES_BOARD( "KJ01A-18", 473, Mapper473_Init )
INES_BOARD( "045N", 481, Mapper481_Init )
INES_BOARD( "AVE NINA-08", 487, Mapper487_Init )
INES_BOARD( "Yhc-000", 500, Mapper500_Init )

View File

@@ -365,6 +365,7 @@ void Mapper467_Init(CartInfo *);
void Mapper468_Init(CartInfo *);
void INX_007T_Init(CartInfo* info); /* Mapper 470 */
void Mapper472_Init(CartInfo *);
void Mapper473_Init(CartInfo *);
void Mapper481_Init(CartInfo *);
void Mapper487_Init(CartInfo *);
void Mapper500_Init(CartInfo *);