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Replaced mapper 436. The previous mapper 436 was a duplicate of 49.

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This commit is contained in:
NewRisingSun
2025-04-05 21:13:59 +02:00
committed by LibretroAdmin
parent 7bc763e5ff
commit d362485d08
3 changed files with 30 additions and 64 deletions
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63
src/boards/436.c
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@@ -1,63 +0,0 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2008 CaH4e3
* Copyright (C) 2019 Libretro Team
*
* 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 436: 820401/T-217 */
#include "mapinc.h"
#include "mmc3.h"
static void Mapper436_PWrap(uint32 A, uint8 V) {
if (EXPREGS[0] &0x01)
setprg8(A, V &0x0F | EXPREGS[0] >>2 &0x30);
else
if (A == 0x8000)
setprg32(A, (EXPREGS[0] >>4));
}
static void Mapper436_CWrap(uint32 A, uint8 V) {
setchr1(A, V &0x7F | EXPREGS[0] <<1 &~0x7F);
}
static DECLFW(Mapper436_Write) {
EXPREGS[0] = A &0xFF;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
static void Mapper436_Reset(void) {
EXPREGS[0] = 0;
MMC3RegReset();
}
static void Mapper436_Power(void) {
EXPREGS[0] = 0;
GenMMC3Power();
SetWriteHandler(0x6000, 0x7FFF, Mapper436_Write);
}
void Mapper436_Init(CartInfo *info) {
GenMMC3_Init(info, 128, 128, 8, 0);
pwrap = Mapper436_PWrap;
cwrap = Mapper436_CWrap;
info->Power = Mapper436_Power;
info->Reset = Mapper436_Reset;
AddExState(EXPREGS, 1, 0, "EXPR");
}

29
src/boards/onebus.c
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@@ -323,6 +323,7 @@ static void UNLOneBusPower(void) {
memset(cpu410x, 0x00, sizeof(cpu410x));
memset(ppu201x, 0x00, sizeof(ppu201x));
memset(apu40xx, 0x00, sizeof(apu40xx));
cpu410x[0x0F] =0xFF;
cpu410x[0x1C] =submapper ==14? 0x40: 0x00;
SetupCartCHRMapping(0, PRGptr[0], PRGsize[0], 0);
@@ -354,6 +355,7 @@ static void UNLOneBusReset(void) {
memset(cpu410x, 0x00, sizeof(cpu410x));
memset(ppu201x, 0x00, sizeof(ppu201x));
memset(apu40xx, 0x00, sizeof(apu40xx));
cpu410x[0x0F] =0xFF;
cpu410x[0x1C] =submapper ==14? 0x40: 0x00;
reg4242 =0;
dipswitch ^=8;
@@ -430,3 +432,30 @@ void Mapper270_Init(CartInfo *info) {
Sync =Sync270;
}
static void Sync436(void) {
int AND =0xFFFF, OR =0;
switch(submapper) {
case 1: OR = cpu410x[0x1C] &0x01 && ~cpu410x[0x1C] &0x04? 0x0800: 0x0000;
PSync(0xF7FF, OR);
CSync(0xBFFF, OR <<3);
break;
default: PSync(0xF3FF, (cpu410x[0x0F] &0x20? 0x0400: 0x0000) | (cpu410x[0x00] &0x40? 0x0800: 0x0000));
CSync(0x9FFF, (cpu410x[0x0F] &0x20? 0x2000: 0x0000) | (cpu410x[0x00] &0x04? 0x4000: 0x0000));
break;
}
}
void Mapper436_Init(CartInfo *info) {
UNLOneBus_Init(info);
cpuMangle =cpuMangles[0];
ppuMangle =ppuMangles[0];
mmc3Mangle =mmc3Mangles[0];
CHRRAMSIZE = 8192;
CHRRAM = (uint8*)FCEU_gmalloc(CHRRAMSIZE);
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSIZE, 1);
AddExState(CHRRAM, CHRRAMSIZE, 0, "CHRR");
Sync =Sync436;
}

2
src/ines.c
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@@ -825,7 +825,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "NC-20MB", 433, Mapper433_Init )
INES_BOARD( "S-009", 434, Mapper434_Init )
INES_BOARD( "F-1002", 435, Mapper435_Init )
INES_BOARD( "820401/T-217", 436, Mapper436_Init )
INES_BOARD( "ZLX-08", 436, Mapper436_Init )
INES_BOARD( "NTDEC TH2348", 437, Mapper437_Init )
INES_BOARD( "K-3071", 438, Mapper438_Init )
INES_BOARD( "YS2309", 439, Mapper439_Init )