Add mapper 544.

src/boards/544.c

@@ -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);	
+}

src/boards/vrc2and4.c

@@ -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;

src/boards/vrc2and4.h

@@ -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

src/ines.c

@@ -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         )

src/ines.h

@@ -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 *);