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Add mapper 544.

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NewRisingSun
2025-04-10 18:26:58 +02:00
committed by LibretroAdmin
parent f6385585a6
commit 789a26549c
5 changed files with 117 additions and 4 deletions
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111
src/boards/544.c Normal file
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@@ -0,0 +1,111 @@
/* FCE Ultra - 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 "vrc2and4.h"
static uint8 *CHRRAM;
static uint32 CHRRAMSize;
static uint8 nt[4];
static uint8 prg;
static uint8 mask;
static uint8 compare;
extern uint32 RefreshAddr;
writefunc writePPU;
static SFORMAT stateRegs[] ={
{ nt, 4, "EXPN" },
{ &prg, 1, "PRGC" },
{ &mask, 1, "CHRM" },
{ &compare, 1, "CHRC" },
{ 0 }
};
static void sync () {
int bank;
VRC24_syncWRAM(0);
VRC24_syncPRG(0x01F, 0x000);
for (bank =0; bank <8; bank++) setchr1r((VRC24_chr[bank] &mask) ==compare? 0x10: 0x00, bank <<10, VRC24_chr[bank]);
setmirrorw(nt[0] &1, nt[1] &1, nt[2] &1, nt[3] &1);
}
static const uint8 compares[8] = { 0x28, 0x00, 0x4C, 0x64, 0x46, 0x7C, 0x04, 0xFF };
static DECLFW(Mapper544_interceptPPUWrite) {
if (~RefreshAddr &0x2000) {
int bank =VRC24_chr[RefreshAddr >>10 &7];
if (bank &0x80) {
if (bank &0x10) {
mask =0x00;
compare =0xFF;
} else {
int index =(bank &0x02? 1: 0) | (bank &0x08? 2: 0) | (bank &0x40? 4: 0);
mask =bank &0x40? 0xFE: 0xFC;
compare =compares[index];
}
VRC24_Sync();
}
}
writePPU(A, V);
}
int Mapper544_getPRGBank(int bank) {
return bank ==2? prg: VRC24_getPRGBank(bank);
}
DECLFW(Mapper544_externalSelect) {
if (A &4)
nt[A &3] =V;
else
prg =V;
VRC24_Sync();
}
void Mapper544_power (void) {
mask =0xFC;
compare =0x28;
nt[0] =nt[1] =0xE0;
nt[2] =nt[3] =0xE1;
prg =0xFE;
VRC24_power();
writePPU =GetWriteHandler(0x2007);
SetWriteHandler(0x2007, 0x2007, Mapper544_interceptPPUWrite);
}
void Mapper544_close(void) {
if (CHRRAM) {
FCEU_gfree(CHRRAM);
CHRRAM =NULL;
}
}
void Mapper544_Init (CartInfo *info) {
VRC24_init(info, sync, 0x400, 0x800, 1, 1, 0);
info->Power =Mapper544_power;
info->Close =Mapper544_close;
VRC24_GetPRGBank =Mapper544_getPRGBank;
VRC24_ExternalSelect =Mapper544_externalSelect;
AddExState(stateRegs, ~0, 0, 0);
CHRRAMSize =info->CHRRamSize +info->CHRRamSaveSize;
CHRRAM =(uint8*)FCEU_gmalloc(CHRRAMSize);
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);
}

4
src/boards/vrc2and4.c
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@@ -21,7 +21,7 @@
#include "mapinc.h"
#include "vrc2and4.h"
uint8 VRC24_A0, VRC24_A1; /* What cartridge connector address pins are connected to the chip's A0 and A1 input pins? */
int VRC24_A0, VRC24_A1; /* What cartridge connector address pins are connected to the chip's A0 and A1 input pins? */
uint8 VRC24_isVRC4; /* VRC2 or VRC4? VRC2 has no single-screen mirroring, no PRG A14 swap and no IRQ counter */
uint8 VRC24_useRepeatBit; /* VRC4 clones ignore the "repeat" bit in the IRQ Mode register */
uint8 VRC24_prg[2];
@@ -207,7 +207,7 @@ void VRC24_close(void) {
}
}
void VRC24_init(CartInfo *info, void (*_sync)(), uint8 _A0, uint8 _A1, uint8 _isVRC4, uint8 _useRepeatBit, uint8 defaultWRAMSizeKiB) {
void VRC24_init(CartInfo *info, void (*_sync)(), int _A0, int _A1, uint8 _isVRC4, uint8 _useRepeatBit, uint8 defaultWRAMSizeKiB) {
VRC24_Sync =_sync;
VRC24_A0 =_A0;
VRC24_A1 =_A1;

4
src/boards/vrc2and4.h
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@@ -1,7 +1,7 @@
#ifndef _VRC2AND4_H
#define _VRC2AND4_H
extern uint8 VRC24_A0, VRC24_A1;
extern int VRC24_A0, VRC24_A1;
extern uint8 VRC24_isVRC4;
extern uint8 VRC24_useRepeatBit;
extern uint8 VRC24_prg[2];
@@ -31,6 +31,6 @@ DECLFW(VRC24_writeReg);
void VRC24_power(void);
void VRC24_close(void);
void VRC24_init(CartInfo *info, void (*_sync)(), uint8 _A0, uint8 _A1, uint8 _isVRC4, uint8 _useRepeatBit, uint8 defaultWRAMSizeKiB);
void VRC24_init(CartInfo *info, void (*_sync)(), int _A0, int _A1, uint8 _isVRC4, uint8 _useRepeatBit, uint8 defaultWRAMSizeKiB);
#endif

1
src/ines.c
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@@ -887,6 +887,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "LittleCom 160-in-1", 541, Mapper541_Init )
INES_BOARD( "JYV610 830626C", 542, Mapper542_Init )
INES_BOARD( "5-in-1 (CH-501)", 543, Mapper543_Init )
INES_BOARD( "WAIXING FS306", 544, Mapper544_Init )
INES_BOARD( "", 551, Mapper178_Init )
INES_BOARD( "SACHEN 3013", 553, Mapper553_Init )
INES_BOARD( "KS-7010", 554, Mapper554_Init )

1
src/ines.h
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@@ -386,6 +386,7 @@ void Mapper540_Init(CartInfo *);
void Mapper541_Init(CartInfo *);
void Mapper542_Init(CartInfo *);
void Mapper543_Init(CartInfo *);
void Mapper544_Init(CartInfo *);
void Mapper550_Init(CartInfo *);
void Mapper553_Init(CartInfo *);
void Mapper554_Init(CartInfo *);