Merge pull request #502 from negativeExponent/mappers

Mappers
2022-02-26 22:37:58 +01:00
parent c8043b1d31 c42a1d8a8e
commit d8d59c9b85
59 changed files with 467 additions and 63 deletions
--- a/src/boards/208.c
+++ b/src/boards/208.c
@@ -2,7 +2,7 @@
 *
 * Copyright notice for this file:
 *  Copyright (C) 2005 CaH4e3
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * 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
--- a/src/boards/218.c
+++ b/src/boards/218.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- * Copyright (C) 2020 negativeExponent
+ * Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/225.c
+++ b/src/boards/225.c
@@ -3,7 +3,7 @@
 * Copyright notice for this file:
 *  Copyright (C) 2011 CaH4e3
  * Copyright (C) 2019 Libretro Team
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/235.c
+++ b/src/boards/235.c
@@ -2,7 +2,7 @@
 *
 * Copyright notice for this file:
 *  Copyright (C) 2005 CaH4e3
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/267.c
+++ b/src/boards/267.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- * Copyright (C) 2020 negativeExponent
+ * Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/269.c
+++ b/src/boards/269.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/272.c
+++ b/src/boards/272.c
@@ -1,7 +1,7 @@
 /* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * 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
--- a/src/boards/291.c
+++ b/src/boards/291.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/293.c
+++ b/src/boards/293.c
@@ -1,7 +1,7 @@
 /* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/326.c
+++ b/src/boards/326.c
@@ -0,0 +1,98 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2022
+ *
+ * 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 326 is used for a bootleg version of Contra/Gryzor.
+ * as implemented from
+ * http://forums.nesdev.org/viewtopic.php?f=9&t=17352&p=218722#p218722
+ */
+
+#include "mapinc.h"
+
+static uint8 PRG[3], CHR[8], NTAPage[4];
+
+static SFORMAT StateRegs[] =
+{
+	{ PRG, 3, "PRG" },
+	{ CHR, 8, "CHR" },
+	{ NTAPage, 4, "NT" },
+	{ 0 }
+};
+
+static void SyncPRG(void) {
+	setprg8(0x8000, PRG[0]);
+	setprg8(0xA000, PRG[1]);
+	setprg8(0xC000, PRG[2]);
+	setprg8(0xE000, ~0);
+}
+
+static void DoCHR(int x, uint8 V) {
+	CHR[x] = V;
+	setchr1(x << 10, V);
+}
+
+static void FixCHR(void) {
+	int x;
+	for (x = 0; x < 8; x++)
+		DoCHR(x, CHR[x]);
+}
+
+static void FASTAPASS(2) DoNTARAM(int w, uint8 V) {
+	NTAPage[w] = V;
+	setntamem(NTARAM + ((V & 1) << 10), 1, w);
+}
+
+static void FixNTAR(void) {
+	int x;
+	for (x = 0; x < 4; x++)
+		DoNTARAM(x, NTAPage[x]);
+}
+
+static DECLFW(M326Write) {
+	switch (A & 0xE010) {
+	case 0x8000: PRG[0] = V; SyncPRG(); break;
+	case 0xA000: PRG[1] = V; SyncPRG(); break;
+	case 0xC000: PRG[2] = V; SyncPRG(); break;
+	}
+
+	A &= 0x801F;
+	if ((A >= 0x8010) && (A <= 0x8017))
+		DoCHR(A - 0x8010, V);
+	else if ((A >= 0x8018) && (A <= 0x801B))
+		DoNTARAM(A - 0x8018, V);
+}
+
+static void M326Power(void) {
+	SyncPRG();
+	FixCHR();
+	FixNTAR();
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetWriteHandler(0x8000, 0xFFFF, M326Write);
+}
+
+static void StateRestore(int version) {
+	SyncPRG();
+	FixCHR();
+	FixNTAR();
+}
+
+void Mapper326_Init(CartInfo *info) {
+	info->Power = M326Power;
+	GameStateRestore = StateRestore;
+	AddExState(&StateRegs, ~0, 0, 0);
+}
--- a/src/boards/330.c
+++ b/src/boards/330.c
@@ -0,0 +1,137 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2022
+ *
+ * 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 330 is used for a bootleg version of Contra/Gryzor.
+ * as implemented from
+ * http://forums.nesdev.org/viewtopic.php?f=9&t=17352&p=218722#p218722
+ */
+
+#include "mapinc.h"
+
+static uint8 *WRAM;
+
+static uint8 PRG[3], CHR[8], NTAPage[4];
+static uint8 IRQa;
+static uint16 IRQCount;
+
+static SFORMAT StateRegs[] =
+{
+	{ PRG, 3, "PRG" },
+	{ CHR, 8, "CHR" },
+	{ NTAPage, 4, "NT" },
+	{ &IRQa, 1, "IRQA" },
+	{ &IRQCount, 2, "IRQC" },
+	{ 0 }
+};
+
+static void SyncPRG(void) {
+	setprg8(0x8000, PRG[0]);
+	setprg8(0xA000, PRG[1]);
+	setprg8(0xC000, PRG[2]);
+	setprg8(0xE000, ~0);
+}
+
+static void DoCHR(int x, uint8 V) {
+	CHR[x] = V;
+	setchr1(x << 10, V);
+}
+
+static void FixCHR(void) {
+	int x;
+	for (x = 0; x < 8; x++)
+		DoCHR(x, CHR[x]);
+}
+
+static void FASTAPASS(2) DoNTARAM(int w, uint8 V) {
+	NTAPage[w] = V;
+	setntamem(NTARAM + ((V & 1) << 10), 1, w);
+}
+
+static void FixNTAR(void) {
+	int x;
+	for (x = 0; x < 4; x++)
+		DoNTARAM(x, NTAPage[x]);
+}
+
+static DECLFW(M330Write) {
+	if (!(A & 0x400)) {
+		if (A >= 0x8000 && A <= 0xB800)
+			DoCHR((A - 0x8000) >> 11, V);
+		else if (A >= 0xC000 && A <= 0xD800)
+			DoNTARAM((A - 0xC000) >> 11, V);
+		else if (A >= 0xE000 && A <= 0xF000) {
+			PRG[(A - 0xE000) >> 11] = V;
+			SyncPRG();
+		}
+	} else if ((A < 0xC000) && !(A & 0x4000)) {
+		if (A & 0x2000) {
+			IRQCount &= 0x00FF;
+			IRQCount |= (V & 0x7F) << 8;
+			IRQa = V & 0x80;
+			X6502_IRQEnd(FCEU_IQEXT);
+		} else {
+			IRQCount &= 0xFF00;
+			IRQCount |= V;
+		}
+	}
+}
+
+static void M330Power(void) {
+	int i;
+	for (i = 0; i < 4; i++)
+		PRG[i] = i;
+	for (i = 0; i < 8; i++)
+		CHR[i] = i;
+	for (i = 0; i < 4; i++)
+		NTAPage[i] = ~0;
+	IRQa = 0;
+	IRQCount = 0;
+	SyncPRG();
+	FixCHR();
+	FixNTAR();
+	SetReadHandler(0x6000, 0xFFFF, CartBR);
+	SetWriteHandler(0x8000, 0xFFFF, M330Write);
+}
+
+static void FP_FASTAPASS(1) M330IRQHook(int a) {
+	if (IRQa) {
+		IRQCount += a;
+		if (IRQCount > 0x7FFF) {
+			X6502_IRQBegin(FCEU_IQEXT);
+			IRQa = 0;
+			IRQCount = 0;
+		}
+	}
+}
+
+static void StateRestore(int version) {
+	SyncPRG();
+	FixCHR();
+	FixNTAR();
+}
+
+void Mapper330_Init(CartInfo *info) {
+	info->Power = M330Power;
+	MapIRQHook = M330IRQHook;
+	GameStateRestore = StateRestore;
+	AddExState(&StateRegs, ~0, 0, 0);
+	WRAM = (uint8 *)FCEU_gmalloc(8192);
+	SetupCartPRGMapping(0x10, WRAM, 8192, 1);
+	AddExState(WRAM, 8192, 0, "WRAM");
+}
--- a/src/boards/334.c
+++ b/src/boards/334.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/353.c
+++ b/src/boards/353.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- * Copyright (C) 2020 negativeExponent
+ * Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/356.c
+++ b/src/boards/356.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/357.c
+++ b/src/boards/357.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/359.c
+++ b/src/boards/359.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/360.c
+++ b/src/boards/360.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- * Copyright (C) 2020 negativeExponent
+ * Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/364.c
+++ b/src/boards/364.c
@@ -1,7 +1,7 @@
 /* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * 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
--- a/src/boards/368.c
+++ b/src/boards/368.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/369.c
+++ b/src/boards/369.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/370.c
+++ b/src/boards/370.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/372.c
+++ b/src/boards/372.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
@@ -18,7 +18,7 @@
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

-/* added 2020-1-28 - negativeExponent */
+/* added 2020-1-28 - */
 /* NES 2.0 Mapper 372 is used for a revision of the Rockman I-VI multicart (PCB ID SFC-12).
 * It is INES Mapper 045 but with one bit of outer bank register #2 working as a CHR-ROM/RAM switch.
 */
--- a/src/boards/375.c
+++ b/src/boards/375.c
@@ -0,0 +1,125 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ * Copyright (C) 2022
+ *
+ * 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"
+
+static uint8 *WRAM = NULL;
+static uint32 WRAMSIZE;
+
+static uint16 addrlatch;
+static uint8 datalatch;
+
+static void Sync(void) {
+	uint32 S = addrlatch & 1;
+	uint32 p = ((addrlatch >> 2) & 0x1F) + ((addrlatch & 0x100) >> 3) + ((addrlatch & 0x400) >> 4);
+	uint32 L = (addrlatch >> 9) & 1;
+	uint32 p_8000 = p;
+
+	if ((addrlatch >> 11) & 1)
+		p_8000 = (p & 0x7E) | (datalatch & 7);
+
+	if ((addrlatch >> 7) & 1) {
+		if (S) {
+			setprg32(0x8000, p >> 1);
+		} else {
+			setprg16(0x8000, p_8000);
+			setprg16(0xC000, p);
+		}
+	} else {
+		if (S) {
+			if (L) {
+				setprg16(0x8000, p_8000 & 0x7E);
+				setprg16(0xC000, p | 7);
+			} else {
+				setprg16(0x8000, p_8000 & 0x7E);
+				setprg16(0xC000, p & 0x78);
+			}
+		} else {
+			if (L) {
+				setprg16(0x8000, p_8000);
+				setprg16(0xC000, p | 7);
+			} else {
+				setprg16(0x8000, p_8000);
+				setprg16(0xC000, p & 0x78);
+			}
+		}
+	}
+
+	if ((addrlatch & 0x80) == 0x80)
+		/* CHR-RAM write protect hack, needed for some multicarts */
+		SetupCartCHRMapping(0, CHRptr[0], 0x2000, 0);
+	else
+		SetupCartCHRMapping(0, CHRptr[0], 0x2000, 1);
+
+	setmirror(((addrlatch >> 1) & 1) ^ 1);
+	setchr8(0);
+	setprg8r(0x10, 0x6000, 0);
+}
+
+static DECLFR(M375Read) {
+	return CartBR(A);
+}
+
+static DECLFW(M375Write) {
+	if (addrlatch & 0x800)
+		datalatch = V;
+	else {
+		addrlatch = A;
+		datalatch = V;
+	}
+	Sync();
+}
+
+static void M375Reset(void) {
+	addrlatch = 0;
+	datalatch = 0;
+	Sync();
+}
+
+static void M375Power(void) {
+	addrlatch = 0;
+	datalatch = 0;
+	Sync();
+	setchr8(0);
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetWriteHandler(0x8000, 0xFFFF, M375Write);
+	if (WRAMSIZE) {
+		SetReadHandler(0x6000, 0xFFFF, CartBR);
+		SetWriteHandler(0x6000, 0x7FFF, CartBW);
+		FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
+	}
+}
+
+static void StateRestore(int version) {
+	Sync();
+}
+
+void Mapper375_Init(CartInfo *info) {
+	info->Power = M375Power;
+	info->Reset = M375Reset;
+	GameStateRestore = StateRestore;
+	AddExState(&addrlatch, 2, 0, "ADDR");
+	AddExState(&datalatch, 1, 0, "DATA");
+
+	WRAMSIZE = 8192;
+	WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
+	SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
+	AddExState(WRAM, WRAMSIZE, 0, "WRAM");
+}
--- a/src/boards/377.c
+++ b/src/boards/377.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- * Copyright (C) 2022 negativeExponent
+ * Copyright (C) 2022
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/380.c
+++ b/src/boards/380.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- * Copyright (C) 2020 negativeExponent
+ * Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/382.c
+++ b/src/boards/382.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/389.c
+++ b/src/boards/389.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/390.c
+++ b/src/boards/390.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- * Copyright (C) 2020 negativeExponent
+ * Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/393.c
+++ b/src/boards/393.c
@@ -1,7 +1,7 @@
 /* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * 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
--- a/src/boards/395.c
+++ b/src/boards/395.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/396.c
+++ b/src/boards/396.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * 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
@@ -51,7 +51,7 @@ static void M396Reset(void) {
 	Sync();
 }

-static void StateRestore(void) {
+static void StateRestore(int version) {
 	Sync();
 }

--- a/src/boards/401.c
+++ b/src/boards/401.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/403.c
+++ b/src/boards/403.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/410.c
+++ b/src/boards/410.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * 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
--- a/src/boards/411.c
+++ b/src/boards/411.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/414.c
+++ b/src/boards/414.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * 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
--- a/src/boards/416.c
+++ b/src/boards/416.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/417.c
+++ b/src/boards/417.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * 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
--- a/src/boards/431.c
+++ b/src/boards/431.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * 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
--- a/src/boards/432.c
+++ b/src/boards/432.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/433.c
+++ b/src/boards/433.c
@@ -1,7 +1,7 @@
 /* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2022 negativeExponent
+ *  Copyright (C) 2022
 *
 * 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
--- a/src/boards/444.c
+++ b/src/boards/444.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/516.c
+++ b/src/boards/516.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/533.c
+++ b/src/boards/533.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- * Copyright (C) 2020 negativeExponent
+ * Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/539.c
+++ b/src/boards/539.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/554.c
+++ b/src/boards/554.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/60.c
+++ b/src/boards/60.c
@@ -1,7 +1,7 @@
 /* FCEUmm - NES/Famicom Emulator
 *
 * Copyright notice for this file:
- * Copyright (C) 2020 negativeExponent
+ * Copyright (C) 2020
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
--- a/src/boards/91.c
+++ b/src/boards/91.c
@@ -2,7 +2,7 @@
 *
 * Copyright notice for this file:
 *  Copyright (C) 2012 CaH4e3
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/addrlatch.c
+++ b/src/boards/addrlatch.c
@@ -544,6 +544,21 @@ void Mapper288_Init(CartInfo *info) {
 	AddExState(&dipswitch, 1, 0, "DIPSW");
 }

+/*------------------ Map 385 ---------------------------*/
+
+static void M385Sync(void) {
+	int32 mirror = latche & 1;
+	int32 bank = (latche >> 1) & 0x7;
+	setprg16(0x8000, bank);
+	setprg16(0xc000, bank);
+	setmirror(mirror ^ 1);
+	setchr8(0);
+}
+
+void Mapper385_Init(CartInfo *info) {
+	Latch_Init(info, M385Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
+}
+
 /*------------------ Map 541 ---------------------------*/
 /* LittleCom 160-in-1 multicart */
 static void M541Sync(void) {
--- a/src/boards/datalatch.c
+++ b/src/boards/datalatch.c
@@ -460,6 +460,18 @@ void Mapper241_Init(CartInfo *info) {
 	Latch_Init(info, M241Sync, 0, 0x8000, 0xFFFF, 1, 0);
 }

+/*------------------ Map 271 ---------------------------*/
+
+static void M271Sync(void) {
+	setchr8(latche & 0x0F);
+	setprg32(0x8000, latche >> 4);
+	setmirror((latche >> 5) & 1);
+}
+
+void Mapper271_Init(CartInfo *info) {
+	Latch_Init(info, M271Sync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
 /*------------------ Map 381 ---------------------------*/
 /* 2-in-1 High Standard Game (BC-019), reset-based */
 static uint8 reset = 0;
@@ -512,33 +524,34 @@ void Mapper538_Init(CartInfo *info) {
 * mode (one screen) and 32K bankswitching, second one have only
 * 16 bankswitching mode and normal mirroring... But there is no any
 * correlations between modes and they can be used in one mapper code.
+ *
+ * Submapper 0 - 3-in-1 (N068)
+ * Submapper 0 - 3-in-1 (N080)
+ * Submapper 1 - 4-in-1 (JY-066)
 */
+
 static int A65ASsubmapper;
 static void BMCA65ASSync(void) {
 	if (latche & 0x40)
 		setprg32(0x8000, (latche >> 1) & 0x0F);
 	else {
 		if (A65ASsubmapper == 1) {
-			setprg16(0x8000, ((latche & 0x38) >> 0) | (latche & 7));
-			setprg16(0xC000, ((latche & 0x38) >> 0) | 7);
-		} else {
 			setprg16(0x8000, ((latche & 0x30) >> 1) | (latche & 7));
 			setprg16(0xC000, ((latche & 0x30) >> 1) | 7);
+		} else {
+			setprg16(0x8000, latche & 0x0F);
+			setprg16(0xC000, latche & 0x0F | 7);
 		}
 	}
 	setchr8(0);
 	if (latche & 0x80)
 		setmirror(MI_0 + (((latche >> 5) & 1)));
-	else {
-		if (A65ASsubmapper == 1) /* added as workaround since games for this cart uses vertical mirroring */
-			setmirror(MI_V);
-		else
-			setmirror(((latche >> 3) & 1) ^ 1);
-	}
+	else
+		setmirror(((latche >> 3) & 1) ^ 1);
 }

 void BMCA65AS_Init(CartInfo *info) {
-	A65ASsubmapper = info->submapper; /* not a real submapper */
+	A65ASsubmapper = info->submapper;
 	Latch_Init(info, BMCA65ASSync, 0, 0x8000, 0xFFFF, 0, 0);
 }

--- a/src/boards/fk23c.c
+++ b/src/boards/fk23c.c
@@ -2,7 +2,7 @@
 *
 * Copyright notice for this file:
 *  Copyright (C) 2006 CaH4e3
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/mmc1.c
+++ b/src/boards/mmc1.c
@@ -549,11 +549,16 @@ static void M297Power(void) {
 	SetWriteHandler(0x8000, 0xFFFF, M297Latch);
 }

+static void M297StateRestore(int version) {
+	Sync();
+}
+
 void Mapper297_Init(CartInfo *info) {
 	GenMMC1Init(info, 256, 256, 0, 0);
 	info->Power = M297Power;
 	MMC1CHRHook4 = M297CHR;
 	MMC1PRGHook16 = M297PRG;
+	GameStateRestore = M297StateRestore;
 	AddExState(&latch, 1, 0, "LATC");
 	AddExState(&mode, 1, 0, "MODE");
 }
--- a/src/boards/resettxrom.c
+++ b/src/boards/resettxrom.c
@@ -2,7 +2,7 @@
 *
 * Copyright notice for this file:
 *  Copyright (C) 2019 Libretro Team
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/sachen.c
+++ b/src/boards/sachen.c
@@ -2,7 +2,7 @@
 *
 * Copyright notice for this file:
 *  Copyright (C) 2002 Xodnizel
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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
--- a/src/boards/txcchip.c
+++ b/src/boards/txcchip.c
@@ -3,7 +3,7 @@
 * Copyright notice for this file:
 *  Copyright (C) 2012 CaH4e3
 *  Copyright (C) 2019 Libretro Team
- *  Copyright (C) 2020 negativeExponent
+ *  Copyright (C) 2020
 *
 * 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