straighten out bandai m159/m016 handling and add valid null-EEPROM emulation to get those games booting.

src/boards/bandai.cpp

@@ -2,6 +2,7 @@
  *
  * Copyright notice for this file:
  *  Copyright (C) 2007 CaH4e3
+ *  Copyright (C) 2011 FCEUX team
  *
  * 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
@@ -21,6 +22,11 @@
  *
  */
 
+//Famicom Jump 2 should get transformed to m153
+//All other games are not supporting EEPROM saving right now. 
+//We may need to distinguish between 16 and 159 in order to know the EEPROM configuration.
+//Until then, we just return 0x00 from the EEPROM read
+
 #include "mapinc.h"
 
 static uint8 reg[16], is153;
@@ -58,13 +64,7 @@ static void BandaiSync(void)
   if(is153)
   {
     int base=(reg[0]&1)<<4;
-    if(!UNIFchrrama) //  SD Gundam Gaiden - Knight Gundam Monogatari 2 - Hikari no Kishi (J)  uses WRAM but have CHRROM too
+    setchr8(0);
-    {
-     int i;
-     for(i=0; i<8; i++) setchr1(i<<10,reg[i]);
-    }
-    else
-     setchr8(0);
     setprg16(0x8000,(reg[8]&0x0F)|base);
     setprg16(0xC000,0x0F|base);
   }
@@ -102,11 +102,17 @@ static DECLFW(BandaiWrite)
     }
 }
 
+DECLFR(BandaiRead)
+{
+	return 0;
+}
+
 static void BandaiPower(void)
 {
   BandaiSync();
   SetReadHandler(0x8000,0xFFFF,CartBR);
   SetWriteHandler(0x6000,0xFFFF,BandaiWrite);
+  SetReadHandler(0x6000,0x7FFF,BandaiRead);
 }
 
 static void M153Power(void)
@@ -141,6 +147,12 @@ void Mapper16_Init(CartInfo *info)
   AddExState(&StateRegs, ~0, 0, 0);
 }
 
+void Mapper159_Init(CartInfo *info)
+{
+  Mapper16_Init(info);
+}
+
+
 void Mapper153_Init(CartInfo *info)
 {
   is153=1;

src/ines-correct.h

@@ -4,8 +4,6 @@
     {0xbfc7a2e9,16,8},
     {0x33b899c9,16,-1},    /* Dragon Ball - Dai Maou Fukkatsu (J) [!] */
     {0x3f15d20d,153,8},    /* Famicom Jump 2 */
-//    {0xb049a8c4,153,-1},    /* SD Gundam Gaiden - Knight Gundam Monogatari 2 - Hikari no Kishi (J) [!] */
-//    NOT 16, since uses WRAM but 8000-FFFF address range for bankswitching, 
 
     {0x983d8175,157,8},  /* Datach Battle Rush */
     {0x894efdbc,157,8},  /* Datach Crayon Shin Chan */

src/ines.cpp

@@ -566,6 +566,7 @@ static BMAPPINGLocal bmap[] = {
     {"",					153, Mapper153_Init},
 	{"",					154, Mapper154_Init},
 	{"",					155, Mapper155_Init},
+  {"",					159, Mapper159_Init},
     {"SA009",				160, SA009_Init},
 	{"",					163, Mapper163_Init},
 	{"",					164, Mapper164_Init},

src/ines.h

@@ -406,6 +406,7 @@ void Mapper152_Init(CartInfo *);
 void Mapper153_Init(CartInfo *);
 void Mapper154_Init(CartInfo *);
 void Mapper155_Init(CartInfo *);
+void Mapper159_Init(CartInfo *);
 void Mapper163_Init(CartInfo *);
 void Mapper164_Init(CartInfo *);
 void Mapper165_Init(CartInfo *);