Initial commit - http://sourceforge.net/p/fceumm/code/160/

2014-03-30 22:15:17 +02:00
commit 7e6caac57d
370 changed files with 90364 additions and 0 deletions
--- a/src/boards/KS7017.c
+++ b/src/boards/KS7017.c
@@ -0,0 +1,114 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2007 CaH4e3
+ *
+ * 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
+ *
+ * FDS Conversion
+ *
+ */
+
+#include "mapinc.h"
+
+static uint8 reg, mirr;
+static int32 IRQa, IRQCount, IRQLatch;
+static uint8 *WRAM = NULL;
+static uint32 WRAMSIZE;
+
+static SFORMAT StateRegs[] =
+{
+	{ &mirr, 1, "MIRR" },
+	{ &reg, 1, "REGS" },
+	{ &IRQa, 4, "IRQA" },
+	{ &IRQCount, 4, "IRQC" },
+	{ &IRQLatch, 4, "IRQL" },
+	{ 0 }
+};
+
+static void Sync(void) {
+	setprg16(0x8000, reg);
+	setprg16(0xC000, 2);
+	setmirror(mirr);
+}
+
+static DECLFW(UNLKS7017Write) {
+//	FCEU_printf("bs %04x %02x\n",A,V);
+	if ((A & 0xFF00) == 0x4A00) {
+		reg = ((A >> 2) & 3) | ((A >> 4) & 4);
+	} else if ((A & 0xFF00) == 0x5100) {
+		Sync();
+	} else if (A == 0x4020) {
+		X6502_IRQEnd(FCEU_IQEXT);
+		IRQCount &= 0xFF00;
+		IRQCount |= V;
+	} else if (A == 0x4021) {
+		X6502_IRQEnd(FCEU_IQEXT);
+		IRQCount &= 0xFF;
+		IRQCount |= V << 8;
+		IRQa = 1;
+	} else if (A == 0x4025) {
+		mirr = ((V & 8) >> 3) ^ 1;
+	}
+}
+static DECLFR(FDSRead4030) {
+	X6502_IRQEnd(FCEU_IQEXT);
+	return X.IRQlow & FCEU_IQEXT ? 1 : 0;
+}
+
+static void FP_FASTAPASS(1) UNL7017IRQ(int a) {
+	if (IRQa) {
+		IRQCount -= a;
+		if (IRQCount <= 0) {
+			IRQa = 0;
+			X6502_IRQBegin(FCEU_IQEXT);
+		}
+	}
+}
+
+static void UNLKS7017Power(void) {
+	Sync();
+	setchr8(0);
+	setprg8r(0x10, 0x6000, 0);
+	SetReadHandler(0x6000, 0x7FFF, CartBR);
+	SetWriteHandler(0x6000, 0x7FFF, CartBW);
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetReadHandler(0x4030, 0x4030, FDSRead4030);
+	SetWriteHandler(0x4020, 0x5FFF, UNLKS7017Write);
+}
+
+static void UNLKS7017Close(void) {
+	if (WRAM)
+		FCEU_gfree(WRAM);
+	WRAM = NULL;
+}
+
+static void StateRestore(int version) {
+	Sync();
+}
+
+void UNLKS7017_Init(CartInfo *info) {
+	info->Power = UNLKS7017Power;
+	info->Close = UNLKS7017Close;
+	MapIRQHook = UNL7017IRQ;
+
+	WRAMSIZE = 8192;
+	WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
+	SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
+	AddExState(WRAM, WRAMSIZE, 0, "WRAM");
+
+	GameStateRestore = StateRestore;
+	AddExState(&StateRegs, ~0, 0, 0);
+}