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

src/boards/KS7012.c

@@ -0,0 +1,86 @@
+/* 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;
+static uint8 *WRAM = NULL;
+static uint32 WRAMSIZE;
+
+static SFORMAT StateRegs[] =
+{
+	{ &reg, 1, "REGS" },
+	{ 0 }
+};
+
+static void Sync(void) {
+	setprg8r(0x10, 0x6000, 0);
+	setprg32(0x8000, reg & 1);
+	setchr8(0);
+}
+
+static DECLFW(UNLKS7012Write) {
+//	FCEU_printf("bs %04x %02x\n",A,V);
+	switch (A) {
+	case 0xE0A0: reg = 0; Sync(); break;
+	case 0xEE36: reg = 1; Sync(); break;
+	}
+}
+
+static void UNLKS7012Power(void) {
+	reg = ~0;
+	Sync();
+	SetReadHandler(0x6000, 0x7FFF, CartBR);
+	SetWriteHandler(0x6000, 0x7FFF, CartBW);
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetWriteHandler(0x8000, 0xFFFF, UNLKS7012Write);
+}
+
+static void UNLKS7012Reset(void) {
+	reg = ~0;
+	Sync();
+}
+
+static void StateRestore(int version) {
+	Sync();
+}
+
+static void UNLKS7012Close(void) {
+	if (WRAM)
+		FCEU_gfree(WRAM);
+	WRAM = NULL;
+}
+
+void UNLKS7012_Init(CartInfo *info) {
+	info->Power = UNLKS7012Power;
+	info->Reset = UNLKS7012Reset;
+	info->Close = UNLKS7012Close;
+
+	WRAMSIZE = 8192;
+	WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
+	SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
+	AddExState(WRAM, WRAMSIZE, 0, "WRAM");
+
+	GameStateRestore = StateRestore;
+	AddExState(&StateRegs, ~0, 0, 0);
+}