NES - progress on mapper 96, Oeka Kids - Anpanman no Hiragana Daisuki seems to play (but I can't get passed the title screen without Oeka Kids tablet emulation). Oeka Kids - Anpanman to Oekaki Shiyou!! fails to load (suggesting a PRG mapping problem?)

BizHawk.Emulation/Consoles/Nintendo/NES/Boards/BANDAI_74_161_02_74.cs

@@ -107,6 +107,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 		desired data.  So make sure your emu supports this.
 		*/
 		int chr_block;
+		int chr_pos = 0;
 		int prg_bank_mask_32k;
 		byte prg_bank_32k;
 
@@ -116,11 +117,11 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 			switch (Cart.board_type)
 			{
 				case "MAPPER096":
+				case "BANDAI-74*161/02/74":
 					break;
 				default:
 					return false;
 			}
-
 			chr_block = 0;
 			prg_bank_mask_32k = Cart.prg_size / 32 - 1;
 			return true;
@@ -130,6 +131,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 		{
 			base.SyncState(ser);
 			ser.Sync("chr_block", ref chr_block);
+			ser.Sync("chr_pos", ref chr_pos);
 			ser.Sync("prg_bank_mask_16k", ref prg_bank_mask_32k);
 			ser.Sync("prg_bank_16k", ref prg_bank_32k);
 		}
@@ -150,8 +152,79 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 		{
 			if (addr < 0x2000)
 			{
+				if (addr >= 0x1000)
+				{
+					if (chr_block == 1)
+					{
+						return VRAM[(0x1000 * 3 * 2) + addr];
+					}
+					else
+					{
+						return VRAM[(0x1000 * 3) + addr];
+					}
+				}
+				else
+				{
+					if (chr_block == 1)
+					{
+						return VRAM[(0x1000 * chr_pos * 2) + addr];
+					}
+					else
+					{
+						return VRAM[(0x1000 * chr_pos * 2) + addr];
+					}
+				}
 			}
-			return base.ReadPPU(addr);
+			else
+			{
+				return base.ReadPPU(addr);
+			}
+		}
+
+		public override void WritePPU(int addr, byte value)
+		{
+			if (addr < 0x2000)
+			{
+				if (addr >= 0x1000)
+				{
+					if (chr_block == 1)
+					{
+						VRAM[(0x1000 * 3 * 2) + addr] = value;
+					}
+					else
+					{
+						VRAM[(0x1000 * 3) + addr] = value;
+					}
+				}
+				{
+					if (chr_block == 1)
+					{
+						VRAM[(0x1000 * chr_pos * 2) + addr] = value;
+					}
+					else
+					{
+						VRAM[(0x1000 * chr_pos * 2) + addr] = value;
+					}
+				}
+			}
+			else
+			{
+				base.WritePPU(addr, value);
+			}
+		}
+
+		public override void AddressPPU(int addr)
+		{
+			byte newpos;
+			if ((addr & 0x3000) != 0x2000) return;
+			if ((addr & 0x3FF) >= 0x3C0) return;
+			newpos = (byte)((addr >> 8) & 3);
+			if (chr_pos != newpos)
+			{
+				chr_pos = newpos;
+			}
+
+			base.AddressPPU(addr);
 		}
 	}
 }

BizHawk.MultiClient/output/gamedb.txt

@@ -140,6 +140,9 @@ sha1:F5FA7807F2B70ADFE5707D9BF88F90DAC1436DB0		Di 4 Ci - Ji Qi Ren Dai Zhan (Ch)
 sha1:A9887C308C5D0659C3AA45D003A603C9DFFB148A	B	Ji Jia Zhan Shi (Asia)	NES		board=MAPPER074;VRAM=2
 sha1:5084F25F14A61AB2799BD85D363B57B9B494601D		Ji Jia Zhan Shi (Asia)	NES		board=MAPPER074;VRAM=2
 sha1:6143D80047FFC17C752078C622A44C3E0CB7466E	B	Dong Fang de Chuan Shuo - The Hyrule Fantasy (Asia)	NES		board=MAPPER245
+
+;wrong vram info
+sha1:32D71DD6C5A8D78A918FE1B9D6D6C4A570D9652D		Oeka Kids - Anpanman no Hiragana Daisuki (J)	NES		board=MAPPER096;VRAM=32
 ;;;;;;;;;;;;;;;;;;;-----------------------------------------------------------------------
 
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