Add mapper 543, 550, 516

src/boards/516.c

@@ -0,0 +1,58 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2020 negativeExponent
+ *
+ * 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 516 - Brilliant Com Cocoma Pack */
+
+#include "mapinc.h"
+#include "mmc3.h"
+
+static void M516CW(uint32 A, uint8 V) {
+/*    FCEU_printf("CHR: A:%04x V:%02x R0:%02x\n", A, V, EXPREGS[0]); */
+    setchr1(A, (V & 0x7F) | ((EXPREGS[0] << 5) & 0x180));
+}
+
+static void M516PW(uint32 A, uint8 V) {
+/*    FCEU_printf("PRG: A:%04x V:%02x R0:%02x\n", A, V, EXPREGS[0]); */
+    setprg8(A, (V & 0x0F) | ((EXPREGS[0] << 4) & 0x30));
+}
+
+static DECLFW(M516Write) {
+/*    FCEU_printf("Wr: A:%04x V:%02x R0:%02x\n", A, V, EXPREGS[0]); */
+    if (A & 0x10) {
+        EXPREGS[0] = A & 0xF;
+        FixMMC3PRG(MMC3_cmd);
+	    FixMMC3CHR(MMC3_cmd);
+    }
+    MMC3_CMDWrite(A, V);
+}
+
+static void M516Power(void) {
+	EXPREGS[0] = 0;
+    GenMMC3Power();
+	SetWriteHandler(0x8000, 0xFFFF, M516Write);
+}
+
+void Mapper516_Init(CartInfo *info) {
+	GenMMC3_Init(info, 128, 128, 0, 0);
+	cwrap = M516CW;
+	pwrap = M516PW;
+	info->Power = M516Power;
+	AddExState(EXPREGS, 4, 0, "EXPR");
+}