Add mapper 511.

src/boards/511.c

@@ -0,0 +1,75 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  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
+ * 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 "asic_mmc3.h"
+
+static uint8 reg;
+static uint8 pad;
+
+static DECLFR (readPad) {
+	return CartBR(A &~0x3 | pad &0x3);
+}
+
+static void sync () {
+	int prgAND = 0x0F;
+	int chrAND = 0xFF;
+	int prgOR = reg <<4;
+	int chrOR = reg <<7;
+	MMC3_syncPRG(prgAND, prgOR &~prgAND);
+	MMC3_syncCHR(chrAND, chrOR &~chrAND);
+	MMC3_syncMirror();
+	SetReadHandler(0x8000, 0xFFFF, reg &0x08? readPad: CartBR);
+}
+
+static int getPRGBank (uint8 bank) {
+	if (reg &0x04) {
+		int mask = reg &0x02? 1: 3;
+		return MMC3_getPRGBank(bank &1) &~mask | bank &mask;
+	} else
+		return MMC3_getPRGBank(bank);
+}
+
+static DECLFW (writeReg) {
+	reg = A &0xFF;
+	sync();
+}
+
+static void reset () {
+	reg = 0;
+	pad++;
+	MMC3_clear();
+}
+
+static void power () {
+	reg = 0;
+	pad = 0;
+	MMC3_power();
+}
+
+void Mapper511_Init (CartInfo *info) {
+	MMC3_init(info, sync, MMC3_TYPE_AX5202P, getPRGBank, NULL, NULL, writeReg);
+	info->Power = power;
+	info->Reset = reset;
+	AddExState(&reg, 1, 0, "EXPR");
+	AddExState(&pad, 1, 0, "DIPS");
+}

src/ines.c

@@ -915,6 +915,7 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "ET-170",                   503, Mapper503_Init         )
 	INES_BOARD( "K-3054",                   504, Mapper504_Init         )
 	INES_BOARD( "GA-009",                   506, Mapper506_Init         )
+	INES_BOARD( "1n4148",                   511, Mapper511_Init         )
 	INES_BOARD( "SA-9602B",                 513, SA9602B_Init           )
 	INES_BOARD( "Brilliant Com Cocoma Pack",516, Mapper516_Init        )
 	INES_BOARD( "DANCE2000",                518, UNLD2000_Init          )

src/ines.h

@@ -395,6 +395,7 @@ void Mapper502_Init(CartInfo *);
 void Mapper503_Init(CartInfo *);
 void Mapper504_Init(CartInfo *);
 void Mapper506_Init(CartInfo *);
+void Mapper511_Init(CartInfo *);
 void Mapper516_Init(CartInfo *);
 void Mapper520_Init(CartInfo *);
 void Mapper523_Init(CartInfo *);