Add mappers 382, 534, 539

2020-02-05 12:00:54 +08:00
parent 43ca4755bb
commit 7ba3350900
5 changed files with 306 additions and 2 deletions
--- a/src/boards/534.c
+++ b/src/boards/534.c
@@ -0,0 +1,99 @@
+/* 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 534 - 2-in-1 数独/五子棋 (Sudoku/Gomoku, NJ064) */
+
+#include "mapinc.h"
+#include "mmc3.h"
+
+static uint32 GetPRGBank(uint32 bank)
+{
+    if (~bank & 1 && (MMC3_cmd & 0x40)) bank ^= 2;
+	return (bank & 2) ? (0xFE | (bank & 1)) : DRegBuf[6 | (bank & 1)];
+}
+
+void SyncPRG_GNROM(int A14, int AND, int OR) {
+    setprg8(0x8000, (GetPRGBank(0) & ~A14) & AND | OR);
+    setprg8(0xA000, (GetPRGBank(1) & ~A14) & AND | OR);
+    setprg8(0xC000, (GetPRGBank(0) |  A14) & AND | OR);
+    setprg8(0xE000, (GetPRGBank(1) |  A14) & AND | OR);
+}
+
+static void M534PW(uint32 A, uint8 V) {
+    if (EXPREGS[0] & 0x40)
+        SyncPRG_GNROM(EXPREGS[3] & 0x02, 0x0F, ((EXPREGS[0] & 3) << 4));
+    else
+        setprg8(A, (V & 0x1F) | ((EXPREGS[0] & 0x2) << 4));
+}
+
+static void M534CW(uint32 A, uint8 V) {
+    setchr1(A, (V & 0xFF) | ((EXPREGS[2] & 0x0F) << 3) | ((EXPREGS[0] & 0x18) << 4));
+}
+
+static DECLFR(M534Read) {
+    if (EXPREGS[1] & 0x01)
+        return (EXPREGS[4] | (X.DB & ~0x03));
+    else
+        return CartBR(A);
+}
+
+static DECLFW(M534IRQWrite) {
+    MMC3_IRQWrite(0xC000 | (A & 1), V ^ 0xFF);
+}
+
+static DECLFW(M534WriteLo) {
+    if ((A & 0x800) && (!(EXPREGS[3] & 0x80) || (A & 3) == 2)) {
+        EXPREGS[A & 3] = V;
+        FixMMC3CHR(MMC3_cmd);
+        FixMMC3PRG(MMC3_cmd);
+    }
+}
+
+static void M534Power(void) {
+    EXPREGS[0] = 0x00;
+    EXPREGS[1] = 0x00;
+    EXPREGS[2] = 0x00;
+    EXPREGS[3] = 0x00;
+    GenMMC3Power();
+    SetWriteHandler(0x6000, 0x6FFF, M534WriteLo);
+    SetWriteHandler(0xC000, 0xDFFF, M534IRQWrite);
+}
+
+static void M534Reset(void) {
+    EXPREGS[0] = 0x00;
+    EXPREGS[1] = 0x00;
+    EXPREGS[2] = 0x00;
+    EXPREGS[3] = 0x00;
+    EXPREGS[4] = (EXPREGS[4] + 1) & 7;
+    FCEU_printf("dipswitch = %d\n", EXPREGS[4]);
+    MMC3RegReset();
+}
+static void M534Close(void) {
+}
+
+void Mapper534_Init(CartInfo *info) {
+	GenMMC3_Init(info, 512, 512, 0, 0);
+	pwrap = M534PW;
+	cwrap = M534CW;
+	info->Power = M534Power;
+	info->Reset = M534Reset;
+	info->Close = M534Close;
+	AddExState(EXPREGS, 5, 0, "EXPR");
+}