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

src/input/mahjong.c

@@ -0,0 +1,71 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2003 Xodnizel
+ *
+ * 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 <string.h>
+#include "share.h"
+
+static uint32 MReal, MRet;
+
+static uint8 FP_FASTAPASS(2) MJ_Read(int w, uint8 ret) {
+	if (w) {
+//  ret|=(MRet&1)<<1;
+		ret |= ((MRet & 0x80) >> 6) & 2;
+//  MRet>>=1;
+  #ifdef FCEUDEF_DEBUGGER
+		if (!fceuindbg)
+  #endif
+		MRet <<= 1;
+	}
+	return(ret);
+}
+
+static void FP_FASTAPASS(1) MJ_Write(uint8 v) {
+	/* 1: I-D7, J-D6, K-D5, L-D4, M-D3, Big Red-D2
+	   2: A-D7, B-D6, C-D5, D-D4, E-D3, F-D2, G-D1, H-D0
+	   3: Sel-D6, Start-D7, D5, D4, D3, D2, D1
+	*/
+	MRet = 0;
+
+	v >>= 1;
+	v &= 3;
+
+	if (v == 3) {
+		MRet = (MReal >> 14) & 0x7F;
+		//MRet=((MRet&0x1F) |((MRet&0x40)>>1)|((MRet&0x20)<<1)) <<1; //(MReal>>13)&0x7F;
+	} else if (v == 2) {
+		MRet = MReal & 0xFF;
+	} else if (v == 1) {
+		MRet = (MReal >> 8) & 0x3F;
+	}
+// HSValR=HSVal<<1;
+}
+
+static void FP_FASTAPASS(2) MJ_Update(void *data, int arg) {
+	MReal = *(uint32*)data;
+	//printf("%08x\n",MReal>>13);
+	//HSVal=*(uint8*)data;
+}
+
+static INPUTCFC Mahjong = { MJ_Read, MJ_Write, 0, MJ_Update, 0, 0 };
+
+INPUTCFC *FCEU_InitMahjong(void) {
+	MReal = MRet = 0;
+	return(&Mahjong);
+}