From 78e8e7a1a7d8eb93646b17ada0db625fdc1c50cf Mon Sep 17 00:00:00 2001
From: "andres.delikat" <andres.delikat@4bbf4f03-6f44-549e-7e59-35d4b0962838>
Date: Thu, 22 Sep 2011 01:10:23 +0000
Subject: [PATCH] Start Jaleco_JF_17 board (mapper 72)

---
 BizHawk.Emulation/BizHawk.Emulation.csproj    |  1 +
 .../Nintendo/NES/Boards/JALECO_JF_17.cs       | 80 +++++++++++++++++++
 2 files changed, 81 insertions(+)
 create mode 100644 BizHawk.Emulation/Consoles/Nintendo/NES/Boards/JALECO_JF_17.cs

diff --git a/BizHawk.Emulation/BizHawk.Emulation.csproj b/BizHawk.Emulation/BizHawk.Emulation.csproj
index 6d076dd38a..9f0bf18b64 100644
--- a/BizHawk.Emulation/BizHawk.Emulation.csproj
+++ b/BizHawk.Emulation/BizHawk.Emulation.csproj
@@ -101,6 +101,7 @@
     <Compile Include="Consoles\Nintendo\NES\Boards\IREM_TAM_S1.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\Jaleco-JF_11_14.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\JALECO_JF_05_06_07.cs" />
+    <Compile Include="Consoles\Nintendo\NES\Boards\JALECO_JF_17.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\Mapper069.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\Mapper089.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\Mapper093.cs" />
diff --git a/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/JALECO_JF_17.cs b/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/JALECO_JF_17.cs
new file mode 100644
index 0000000000..9a64c28b09
--- /dev/null
+++ b/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/JALECO_JF_17.cs
@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace BizHawk.Emulation.Consoles.Nintendo
+{
+	//iNES Mapper 72
+	//Example Games:
+	//--------------------------
+	//Pinball Quest (J)
+	//Moero!! Pro Tennis
+	//Moero!! Juudou Warriors
+
+	class JALECO_JF_17 : NES.NESBoardBase
+	{
+		int command;
+		int prg_bank_mask_16k;
+		byte prg_bank_16k;
+		ByteBuffer prg_banks_16k = new ByteBuffer(2);
+
+		public override bool Configure(NES.EDetectionOrigin origin)
+		{
+			switch (Cart.board_type)
+			{
+				case "JALECO-JF-17":
+					break;
+				default:
+					return false;
+			}
+			SetMirrorType(Cart.pad_h, Cart.pad_v);
+			prg_bank_mask_16k = (Cart.prg_size / 16) - 1;
+			prg_banks_16k[1] = 0xFF;
+			return true;
+		}
+
+		public override void Dispose()
+		{
+			prg_banks_16k.Dispose();
+			base.Dispose();
+		}
+
+		public override void SyncState(Serializer ser)
+		{
+			base.SyncState(ser);
+			ser.Sync("prg_bank_mask_16k", ref prg_bank_mask_16k);
+			ser.Sync("prg_bank_16k", ref prg_bank_16k);
+			ser.Sync("prg_banks_16k", ref prg_banks_16k);
+			ser.Sync("command", ref command);
+		}
+
+		public override void WritePRG(int addr, byte value)
+		{
+			switch (command)
+			{
+				case 0:
+					break;
+				case 1:
+					break;
+				case 2:
+					prg_bank_16k = (byte)(value & 15);
+					break;
+				case 3:
+					break;
+			}
+
+			command = value >> 6;
+		}
+
+		public override byte ReadPRG(int addr)
+		{
+			int bank_16k = addr >> 14;
+			int ofs = addr & ((1 << 14) - 1);
+			bank_16k = prg_banks_16k[bank_16k];
+			bank_16k &= prg_bank_mask_16k;
+			addr = (bank_16k << 14) | ofs;
+			return ROM[addr];
+		}
+	}
+}