Add support for BMC-K-3033

src/boards/bcmk3033.c

@@ -0,0 +1,89 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  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 322
+ * BMC-K-3033
+ * 35-in-1 (K-3033)
+ * http://wiki.nesdev.com/w/index.php/NES_2.0_Mapper_322
+ */
+
+#include "mapinc.h"
+#include "mmc3.h"
+
+static void BMCK3033CW(uint32 A, uint8 V) {
+	if (EXPREGS[2]) {
+		if (EXPREGS[3]) {							// MMC3-256
+			setchr1r(EXPREGS[1] & ~0x01, A, (V & 0xFF));
+		} else {									// MMC3-128
+			setchr1r(EXPREGS[1], A, (V & 0x7F));
+		}
+	} else {										// NROM
+		setchr1r(EXPREGS[1], A, (V & 0x7F));
+	}
+}
+
+static void BMCK3033PW(uint32 A, uint8 V) {
+	if (EXPREGS[2]) {
+		if (EXPREGS[3] ) {
+/*			FCEU_printf("MMC3-256 A:%04x V:%02x chip:%02x\n", A, V, EXPREGS[1] & ~0x01); */
+			setprg8r((EXPREGS[1] & ~0x01), A, (V & 0x1F));
+		} else {
+/*			FCEU_printf("MMC3-128 A:%04x V:%02x chip:%02x\n", A, V, EXPREGS[1]); */
+			setprg8r(EXPREGS[1], A, (V & 0x0F));
+		}
+	} else {
+		if (EXPREGS[0] & 0x03) {
+/*			FCEU_printf("NROM-256 base:%02x chip:%02x\n", EXPREGS[0] >> 1, EXPREGS[1]); */
+			setprg32r(EXPREGS[1], 0x8000, EXPREGS[0] >> 1);
+		} else {
+/*			FCEU_printf("NROM-128 base:%02x chip:%02x\n", EXPREGS[0], EXPREGS[1]); */
+			setprg16r(EXPREGS[1], 0x8000, EXPREGS[0]);
+			setprg16r(EXPREGS[1], 0xC000, EXPREGS[0]);
+		}
+	}
+}
+
+static DECLFW(BMCK3033Write) {
+	EXPREGS[0] = (A & 0x07);
+	EXPREGS[1] = ((A & 0x18) >> 3) | ((A & 0x40) >> 4);
+	EXPREGS[2] = (A & 0x20);
+	EXPREGS[3] = (A & 0x80);
+	FixMMC3PRG(MMC3_cmd);
+	FixMMC3CHR(MMC3_cmd);
+}
+
+static void BMCK3033Power(void) {
+	GenMMC3Power();
+	SetWriteHandler(0x6000, 0x7FFF, BMCK3033Write);
+}
+
+static void BMCK3033Reset(void) {
+	EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0;
+	MMC3RegReset();
+}
+
+void BMCK3033_Init(CartInfo *info) {
+	GenMMC3_Init(info, 256, 256, 1, 0);
+	pwrap = BMCK3033PW;
+	cwrap = BMCK3033CW;
+	info->Power = BMCK3033Power;
+	info->Reset = BMCK3033Reset;
+	AddExState(EXPREGS, 4, 0, "EXPR");
+}

src/unif.c

@@ -499,6 +499,9 @@ static BMAPPING bmap[] = {
 	{ "L6IN1", BMCL6IN1_Init, 0 },
 	{ "CTC-12IN1", BMCCTC12IN1_Init, 0 },
 	{ "891227", BMC891227_Init, 0 },
+	{ "NEWSTAR-GRM070-8IN1", BMC8IN1_Init, 0 },
+	{ "FARID_UNROM_8-IN-1", FARIDUNROM_Init, 0 },
+	{ "K-3033", BMCK3033_Init, 0 },
 
 #ifdef COPYFAMI
 	{ "COPYFAMI_MMC3", MapperCopyFamiMMC3_Init, 0 },

src/unif.h

@@ -187,6 +187,8 @@ void BMCL6IN1_Init(CartInfo *info);			/* m345 */
 
 void BMCCTC12IN1_Init(CartInfo *info);		/* m337 */
 void BMC891227_Init(CartInfo *info);		/* m350 */
+void FARIDUNROM_Init(CartInfo *info);		/* m324 */
+void BMCK3033_Init(CartInfo *info);			/* mm22 */
 
 #ifdef COPYFAMI
 void MapperCopyFamiMMC3_Init(CartInfo *info);