ROMDB提交,Mapper修復

.gitignore

@@ -14,3 +14,6 @@
 /AxibugEmuOnline.Client/ProjectSettings/AutoStreamingSettings.asset
 /AxibugEmuOnline.Client/Logs
 /virtuanessrc097-master/save
+/virtuanessrc097-master/.vs
+/virtuanessrc097-master/Debug
+/virtuanessrc097-master/VirtualNES.ini

AxibugEmuOnline.Client/Assets/Script/NesEmulator/AudioProvider.cs

@@ -3,8 +3,11 @@ using System.Diagnostics;
 using UnityEngine;
 using VirtualNes.Core;
 
-public class AudioProvider : MonoBehaviour
+namespace AxibugEmuOnline.Client
 {
+
+    public class AudioProvider : MonoBehaviour
+    {
         [SerializeField]
         private AudioSource m_as;
 
@@ -44,4 +47,6 @@ public class AudioProvider : MonoBehaviour
         {
             nes.apu.Process(_buffer, (uint)(Supporter.Config.sound.nRate * Time.deltaTime));
         }
+    }
+
 }

AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs

@@ -17,7 +17,7 @@ namespace AxibugEmuOnline.Client
         private void Start()
         {
             Application.targetFrameRate = 60;
-            StartGame("tstd2.nes");
+            StartGame("ff1.nes");
         }
 
         public void StartGame(string romName)
@@ -44,7 +44,6 @@ namespace AxibugEmuOnline.Client
             m_nesIns = null;
         }
 
-
         private void Update()
         {
             if (m_nesIns != null)

AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.prefab

@@ -30,7 +30,7 @@ Transform:
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 4232056521131536011}
-  m_RootOrder: 1
+  m_RootOrder: 2
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &9003897287163669553
 MonoBehaviour:
@@ -141,6 +141,78 @@ AudioSource:
     m_PreInfinity: 2
     m_PostInfinity: 2
     m_RotationOrder: 4
+--- !u!1 &3545890545112170401
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
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+  - component: {fileID: 3032498056073774270}
+  - component: {fileID: 634277252673086327}
+  m_Layer: 5
+  m_Name: Viewer
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!224 &1038087993597378172
+RectTransform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 3545890545112170401}
+  m_LocalRotation: {x: 1, y: 0, z: 0, w: 0}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 4232056520494431727}
+  m_RootOrder: 1
+  m_LocalEulerAnglesHint: {x: 180, y: 0, z: 0}
+  m_AnchorMin: {x: 0, y: 1}
+  m_AnchorMax: {x: 0, y: 1}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 128, y: 256}
+  m_Pivot: {x: 0, y: 0}
+--- !u!222 &3032498056073774270
+CanvasRenderer:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 3545890545112170401}
+  m_CullTransparentMesh: 1
+--- !u!114 &634277252673086327
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 3545890545112170401}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 1344c3c82d62a2a41a3576d8abb8e3ea, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Material: {fileID: 0}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
+  m_Maskable: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+  m_Texture: {fileID: 8400000, guid: ffe34aaf87e4b9942b4c2ac05943d444, type: 2}
+  m_UVRect:
+    serializedVersion: 2
+    x: 0
+    y: 0
+    width: 1
+    height: 1
 --- !u!1 &4232056520112715746
 GameObject:
   m_ObjectHideFlags: 0
@@ -168,8 +240,7 @@ Transform:
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
-  m_Children:
+  m_Children: []
-  - {fileID: 4232056520494431727}
   m_Father: {fileID: 4232056521131536011}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
@@ -217,8 +288,9 @@ RectTransform:
   m_LocalScale: {x: 0, y: 0, z: 0}
   m_Children:
   - {fileID: 4232056521759880275}
-  m_Father: {fileID: 4232056520112715745}
+  - {fileID: 1038087993597378172}
-  m_RootOrder: 0
+  m_Father: {fileID: 4232056521131536011}
+  m_RootOrder: 3
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
   m_AnchorMax: {x: 0, y: 0}
@@ -315,7 +387,9 @@ Transform:
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children:
   - {fileID: 4232056520112715745}
+  - {fileID: 393435831810118449}
   - {fileID: 4785916497946256520}
+  - {fileID: 4232056520494431727}
   m_Father: {fileID: 0}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
@@ -405,3 +479,47 @@ MonoBehaviour:
     y: 0
     width: 1
     height: 1
+--- !u!1 &7856060136050839404
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 393435831810118449}
+  - component: {fileID: 499856625911497759}
+  m_Layer: 0
+  m_Name: PatternViewer
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!4 &393435831810118449
+Transform:
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+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
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+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 4232056521131536011}
+  m_RootOrder: 1
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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+  m_Script: {fileID: 11500000, guid: c7a50c189f5be5b4ea54de444f8488a0, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  img: {fileID: 634277252673086327}

AxibugEmuOnline.Client/Assets/Script/NesEmulator/PaletteDefine.cs

@@ -7,10 +7,18 @@ using System.Threading.Tasks;
 using UnityEngine;
 using VirtualNes.Core;
 
-namespace AxibugEmuOnline.Client.Assets.Script.NesEmulator
+namespace AxibugEmuOnline.Client
 {
     public static class PaletteDefine
     {
+        public struct RGBQUAD
+        {
+            public byte rgbBlue;
+            public byte rgbGreen;
+            public byte rgbRed;
+            public byte rgbReserved;
+        }
+
         public class PALBUF
         {
             public byte r;
@@ -108,6 +116,33 @@ namespace AxibugEmuOnline.Client.Assets.Script.NesEmulator
             new PALBUF(0x00, 0x00, 0x00),
         };
 
+        #region 256色モード用
+        // Color
+        public static RGBQUAD[][] m_cpPalette = new RGBQUAD[8][]
+        {
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+        };
+        // Monochrome
+        public static RGBQUAD[][] m_mpPalette = new RGBQUAD[8][]
+        {
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+            new RGBQUAD[64*2],
+        };
+        #endregion
+
         #region ピクセルフォーマットに変換したパレット
         // Color
         public static uint[][] m_cnPalette = new uint[8][]
@@ -161,6 +196,18 @@ namespace AxibugEmuOnline.Client.Assets.Script.NesEmulator
         };
         #endregion
 
+        public static RGBQUAD[] GetPaletteData()
+        {
+            RGBQUAD[] rgb = new RGBQUAD[256];
+            for (int i = 0; i < 64; i++)
+            {
+                rgb[i] = m_cpPalette[0][i];
+                rgb[i + 0x40] = m_mpPalette[0][i];
+            }
+
+            return rgb;
+        }
+
         static PaletteDefine()
         {
             int Rbit = 0, Gbit = 0, Bbit = 0;
@@ -186,6 +233,13 @@ namespace AxibugEmuOnline.Client.Assets.Script.NesEmulator
                     Gs = (uint)(PalConvTbl[j][1] * m_PaletteBuf[i].g * m_nScanlineColor / 100.0f);
                     Bs = (uint)(PalConvTbl[j][2] * m_PaletteBuf[i].b * m_nScanlineColor / 100.0f);
 
+                    m_cpPalette[j][i + 0x00].rgbRed = (byte)Rn;
+                    m_cpPalette[j][i + 0x00].rgbGreen = (byte)Gn;
+                    m_cpPalette[j][i + 0x00].rgbBlue = (byte)Bn;
+                    m_cpPalette[j][i + 0x40].rgbRed = (byte)Rs;
+                    m_cpPalette[j][i + 0x40].rgbGreen = (byte)Gs;
+                    m_cpPalette[j][i + 0x40].rgbBlue = (byte)Bs;
+
                     m_cnPalette[j][i] = ((Rn >> (8 - Rbit)) << Rsft) | ((Gn >> (8 - Gbit)) << Gsft) | ((Bn >> (8 - Bbit)) << Bsft);
                     m_csPalette[j][i] = ((Rs >> (8 - Rbit)) << Rsft) | ((Gs >> (8 - Gbit)) << Gsft) | ((Bs >> (8 - Bbit)) << Bsft);
 
@@ -216,6 +270,13 @@ namespace AxibugEmuOnline.Client.Assets.Script.NesEmulator
                     if (Gs > 0xFF) Gs = 0xFF;
                     if (Bs > 0xFF) Bs = 0xFF;
 
+                    m_mpPalette[j][i + 0x00].rgbRed = (byte)Rn;
+                    m_mpPalette[j][i + 0x00].rgbGreen = (byte)Gn;
+                    m_mpPalette[j][i + 0x00].rgbBlue = (byte)Bn;
+                    m_mpPalette[j][i + 0x40].rgbRed = (byte)Rs;
+                    m_mpPalette[j][i + 0x40].rgbGreen = (byte)Gs;
+                    m_mpPalette[j][i + 0x40].rgbBlue = (byte)Bs;
+
                     m_mnPalette[j][i] = ((Rn >> (8 - Rbit)) << Rsft) | ((Gn >> (8 - Gbit)) << Gsft) | ((Bn >> (8 - Bbit)) << Bsft);
                     m_msPalette[j][i] = ((Rs >> (8 - Rbit)) << Rsft) | ((Gs >> (8 - Gbit)) << Gsft) | ((Bs >> (8 - Bbit)) << Bsft);
                 }

AxibugEmuOnline.Client/Assets/Script/NesEmulator/PatternViewer.cs

@@ -0,0 +1,75 @@
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using VirtualNes;
+using static AxibugEmuOnline.Client.PaletteDefine;
+
+namespace AxibugEmuOnline.Client
+{
+    public class PatternViewer : MonoBehaviour
+    {
+        public RawImage img;
+
+        private Color32[] m_lpPattern = new Color32[128 * 256];
+        private Texture2D m_texture;
+        private Dictionary<byte, RGBQUAD> colors = new Dictionary<byte, RGBQUAD>();
+
+        private void Awake()
+        {
+            m_texture = new Texture2D(128, 256);
+        }
+
+        private void Update()
+        {
+            Paint();
+        }
+
+        public void Paint()
+        {
+            img.texture = m_texture;
+
+            var pal = MMU.SPPAL;
+            var palette = PaletteDefine.GetPaletteData();
+            colors[0] = palette[pal[0]];
+            colors[1] = palette[pal[1]];
+            colors[2] = palette[pal[2]];
+            colors[3] = palette[pal[3]];
+
+            for (int i = 0; i < 8; i++)
+            {
+                var Ptn = MMU.PPU_MEM_BANK[i];
+                int lpPtn = 0;
+                for (int p = 0; p < 64; p++)
+                {
+                    int lpScn = i * 32 * 128 + (p & 15) * 8 + (p / 16) * 8 * 128;
+                    for (int y = 0; y < 8; y++)
+                    {
+                        byte chr_l = Ptn[lpPtn + y];
+                        byte chr_h = Ptn[lpPtn + y + 8];
+                        m_lpPattern[lpScn + 0] = ToColor32(colors, (((chr_h >> 6) & 2) | ((chr_l >> 7) & 1)));
+                        m_lpPattern[lpScn + 4] = ToColor32(colors, (((chr_h >> 2) & 2) | ((chr_l >> 3) & 1)));
+                        m_lpPattern[lpScn + 1] = ToColor32(colors, (((chr_h >> 5) & 2) | ((chr_l >> 6) & 1)));
+                        m_lpPattern[lpScn + 5] = ToColor32(colors, (((chr_h >> 1) & 2) | ((chr_l >> 2) & 1)));
+                        m_lpPattern[lpScn + 2] = ToColor32(colors, (((chr_h >> 4) & 2) | ((chr_l >> 5) & 1)));
+                        m_lpPattern[lpScn + 6] = ToColor32(colors, (((chr_h >> 0) & 2) | ((chr_l >> 1) & 1)));
+                        m_lpPattern[lpScn + 3] = ToColor32(colors, (((chr_h >> 3) & 2) | ((chr_l >> 4) & 1)));
+                        m_lpPattern[lpScn + 7] = ToColor32(colors, (((chr_h << 1) & 2) | ((chr_l >> 0) & 1)));
+                        // Next line
+                        lpScn += 128;
+                    }
+                    // Next pattern
+                    lpPtn += 16;
+                }
+            }
+
+            m_texture.SetPixels32(m_lpPattern);
+            m_texture.Apply();
+        }
+
+        private Color32 ToColor32(Dictionary<byte, RGBQUAD> map, int v)
+        {
+            var raw = map[(byte)v];
+            return new Color32(raw.rgbRed, raw.rgbGreen, raw.rgbBlue, 255);
+        }
+    }
+}

AxibugEmuOnline.Client/Assets/Script/NesEmulator/PatternViewer.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: c7a50c189f5be5b4ea54de444f8488a0
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

AxibugEmuOnline.Client/Assets/Script/NesEmulator/VideoProvider.cs

@@ -1,9 +1,7 @@
-using AxibugEmuOnline.Client.Assets.Script.NesEmulator;
 using System;
 using System.Runtime.InteropServices;
 using UnityEngine;
 using UnityEngine.UI;
-using VirtualNes.Core;
 
 namespace AxibugEmuOnline.Client
 {

AxibugEmuOnline.Client/Assets/VirtualNes.Core/CoreLibs/ByteArrayRef.cs

@@ -34,6 +34,13 @@ namespace VirtualNes.Core
             m_length = length;
         }
 
+        public void SetArray(byte[] array, int offset)
+        {
+            m_rawArray = array;
+            m_offset = offset;
+            m_length = array.Length - offset;
+        }
+
         public byte this[int index]
         {
             get

AxibugEmuOnline.Client/Assets/VirtualNes.Core/MMU.cs

@@ -78,6 +78,13 @@ namespace VirtualNes
             CPU_MEM_PAGE[page] = 0;
         }
 
+        internal static void SetPROM_Bank(byte page, ByteArrayRef ptr, byte type)
+        {
+            CPU_MEM_BANK[page] = ptr;
+            CPU_MEM_TYPE[page] = type;
+            CPU_MEM_PAGE[page] = 0;
+        }
+
         internal static void SetPROM_8K_Bank(byte page, int bank)
         {
             bank %= PROM_8K_SIZE;

AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper000.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: c57bc13f96a8d064a885b65c6aebc351
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper001.cs

@@ -132,6 +132,7 @@ namespace VirtualNes.Core
             }
         }
 
+        private ByteArrayRef _PROM_BANK = new ByteArrayRef();
         //void Mapper001::Write(WORD addr, BYTE data)
         public override void Write(ushort addr, byte data)
         {
@@ -145,11 +146,13 @@ namespace VirtualNes.Core
                 {
                     if (wram_bank != 0)
                     {
-						SetPROM_Bank(3, &WRAM[0x2000], BANKTYPE_RAM);
+                        _PROM_BANK.SetArray(WRAM, 0x2000);
+                        SetPROM_Bank(3, _PROM_BANK, BANKTYPE_RAM);
                     }
                     else
                     {
-						SetPROM_Bank(3, &WRAM[0x0000], BANKTYPE_RAM);
+                        _PROM_BANK.SetArray(WRAM, 0x0000);
+                        SetPROM_Bank(3, _PROM_BANK, BANKTYPE_RAM);
                     }
                     wram_bank = wram_count = 0;
                 }
@@ -290,11 +293,13 @@ namespace VirtualNes.Core
                 {
                     if (((reg[1] & 0x18) == 0))
                     {
-						SetPROM_Bank(3, &WRAM[0x0000], BANKTYPE_RAM);
+                        _PROM_BANK.SetArray(WRAM, 0x0000);
+                        SetPROM_Bank(3, _PROM_BANK, BANKTYPE_RAM);
                     }
                     else
                     {
-						SetPROM_Bank(3, &WRAM[0x2000], BANKTYPE_RAM);
+                        _PROM_BANK.SetArray(WRAM, 0x2000);
+                        SetPROM_Bank(3, _PROM_BANK, BANKTYPE_RAM);
                     }
                 }
 

AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper001.cs.meta

@@ -0,0 +1,11 @@
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+guid: c921e7f594a988845856d30f6a925157
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AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper002.cs.meta

@@ -0,0 +1,11 @@
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AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper003.cs

@@ -31,7 +31,7 @@ namespace VirtualNes.Core
 
             if (crc == 0x2b72fe7e)
             {   // Ganso Saiyuuki - Super Monkey Dai Bouken(J)
-				nes.SetRenderMethod( EnumRenderMethod.TILE_RENDER);
+                nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
                 nes.ppu.SetExtNameTableMode(true);
             }
 

AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper003.cs.meta

@@ -0,0 +1,11 @@
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+guid: d63147469fd9c5540882a5a89799462b
+MonoImporter:
+  externalObjects: {}
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AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper005.cs

@@ -1,16 +1,19 @@
 //////////////////////////////////////////////////////////////////////////
 // Mapper005  Nintendo MMC5                                             //
 //////////////////////////////////////////////////////////////////////////
-using static VirtualNes.MMU;
+using System;
 using static VirtualNes.Core.CPU;
-using INT = System.Int32;
+using static VirtualNes.Core.PPU;
+using static VirtualNes.MMU;
 using BYTE = System.Byte;
-using Codice.CM.Client.Differences;
+using INT = System.Int32;
 
 namespace VirtualNes.Core
 {
     public class Mapper005 : Mapper
     {
+        public const int MMC5_IRQ_METAL = 1 << 0;
+
         BYTE sram_size;
 
         BYTE prg_size;      // $5100
@@ -34,9 +37,19 @@ namespace VirtualNes.Core
         BYTE chr_type;
         BYTE chr_mode;      // $5120-$512B use
                             //BYTE chr_page[2][8];
-		BYTE[,] chr_page = new byte[2,8];		// $5120-$512B
+        BYTE[,] chr_page = new byte[2, 8];      // $5120-$512B
-		LPBYTE BG_MEM_BANK[8];      // BGパターン用バンク
+        // BGパターン用バンク
-		BYTE BG_MEM_PAGE[8];
+        ByteArrayRef[] BG_MEM_BANK = new ByteArrayRef[8]{
+            new ByteArrayRef(),
+            new ByteArrayRef(),
+            new ByteArrayRef(),
+            new ByteArrayRef(),
+            new ByteArrayRef(),
+            new ByteArrayRef(),
+            new ByteArrayRef(),
+            new ByteArrayRef(),
+        };
+        BYTE[] BG_MEM_PAGE = new byte[8];
 
         BYTE irq_status;        // $5204(R)
         BYTE irq_enable;        // $5204(W)
@@ -50,7 +63,7 @@ namespace VirtualNes.Core
 
         public override void Reset()
         {
-			INT i;
+            byte i;
 
             prg_size = 3;
             chr_size = 3;
@@ -83,8 +96,8 @@ namespace VirtualNes.Core
             chr_mode = 0;
             for (i = 0; i < 8; i++)
             {
-				chr_page[0][i] = i;
+                chr_page[0, i] = i;
-				chr_page[1][i] = 4 + (i & 0x03);
+                chr_page[1, i] = (byte)(4 + (i & 0x03));
             }
 
             SetPROM_32K_Bank(PROM_8K_SIZE - 1, PROM_8K_SIZE - 1, PROM_8K_SIZE - 1, PROM_8K_SIZE - 1);
@@ -92,7 +105,7 @@ namespace VirtualNes.Core
 
             for (i = 0; i < 8; i++)
             {
-				BG_MEM_BANK[i] = VROM + 0x0400 * i;
+                BG_MEM_BANK[i].SetArray(VROM, 0x0400 * i);
                 BG_MEM_PAGE[i] = i;
             }
 
@@ -130,7 +143,7 @@ namespace VirtualNes.Core
 
             if (crc == 0x95ca9ec7)
             { // Castlevania 3 - Dracula's Curse(U)
-				nes.SetRenderMethod(NES::TILE_RENDER);
+                nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
             }
 
             if (crc == 0xcd9acf43)
@@ -161,15 +174,15 @@ namespace VirtualNes.Core
                 case 0x5204:
                     data = irq_status;
                     //			irq_status = 0;
-					irq_status &= ~0x80;
+                    irq_status = (byte)(irq_status & ~0x80);
 
                     nes.cpu.ClrIRQ(IRQ_MAPPER);
                     break;
                 case 0x5205:
-					data = mult_a * mult_b;
+                    data = (byte)(mult_a * mult_b);
                     break;
                 case 0x5206:
-					data = (BYTE)(((WORD)mult_a * (WORD)mult_b) >> 8);
+                    data = (BYTE)((mult_a * mult_b) >> 8);
                     break;
             }
 
@@ -191,39 +204,33 @@ namespace VirtualNes.Core
         //void Mapper005::WriteLow(WORD addr, BYTE data)
         public override void WriteLow(ushort addr, byte data)
         {
-			INT i;
+            byte i;
-
-#if FALSE//0
-if( addr >= 0x5000 && addr <=0x50FF ) {
-DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
-}
-#endif
 
             switch (addr)
             {
                 case 0x5100:
-					prg_size = data & 0x03;
+                    prg_size = (byte)(data & 0x03);
                     break;
                 case 0x5101:
-					chr_size = data & 0x03;
+                    chr_size = (byte)(data & 0x03);
                     break;
 
                 case 0x5102:
-					sram_we_a = data & 0x03;
+                    sram_we_a = (byte)(data & 0x03);
                     break;
                 case 0x5103:
-					sram_we_b = data & 0x03;
+                    sram_we_b = (byte)(data & 0x03);
                     break;
 
                 case 0x5104:
-					graphic_mode = data & 0x03;
+                    graphic_mode = (byte)(data & 0x03);
                     break;
                 case 0x5105:
                     nametable_mode = data;
                     for (i = 0; i < 4; i++)
                     {
-						nametable_type[i] = data & 0x03;
+                        nametable_type[i] = (byte)(data & 0x03);
-						SetVRAM_1K_Bank(8 + i, nametable_type[i]);
+                        SetVRAM_1K_Bank((byte)(8 + i), nametable_type[i]);
                         data >>= 2;
                     }
                     break;
@@ -232,11 +239,11 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
                     fill_chr = data;
                     break;
                 case 0x5107:
-					fill_pal = data & 0x03;
+                    fill_pal = (byte)(data & 0x03);
                     break;
 
                 case 0x5113:
-					SetBank_SRAM(3, data & 0x07);
+                    SetBank_SRAM(3, (byte)(data & 0x07));
                     break;
 
                 case 0x5114:
@@ -255,7 +262,7 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
                 case 0x5126:
                 case 0x5127:
                     chr_mode = 0;
-					chr_page[0][addr & 0x07] = data;
+                    chr_page[0, addr & 0x07] = data;
                     SetBank_PPU();
                     break;
 
@@ -264,8 +271,8 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
                 case 0x512A:
                 case 0x512B:
                     chr_mode = 1;
-					chr_page[1][(addr & 0x03) + 0] = data;
+                    chr_page[1, (addr & 0x03) + 0] = data;
-					chr_page[1][(addr & 0x03) + 4] = data;
+                    chr_page[1, (addr & 0x03) + 4] = data;
                     SetBank_PPU();
                     break;
 
@@ -276,7 +283,7 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
                     split_scroll = data;
                     break;
                 case 0x5202:
-					split_page = data & 0x3F;
+                    split_page = (byte)(data & 0x3F);
                     break;
 
                 case 0x5203:
@@ -310,7 +317,7 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
                         }
                         else if (graphic_mode != 3)
                         {   // Split,ExGraphic
-							if ((irq_status & 0x40)!=0)
+                            if ((irq_status & 0x40) != 0)
                             {
                                 VRAM[0x0800 + (addr & 0x3FF)] = data;
                             }
@@ -351,7 +358,7 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
 
         void SetBank_CPU(uint addr, BYTE data)
         {
-			if ((data & 0x80)!=0)
+            if ((data & 0x80) != 0)
             {
                 // PROM Bank
                 switch (addr & 7)
@@ -402,30 +409,31 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
                     case 4:
                         if (prg_size == 3)
                         {
-							SetBank_SRAM(4, data & 0x07);
+                            SetBank_SRAM(4, (byte)(data & 0x07));
                         }
                         break;
                     case 5:
                         if (prg_size == 1 || prg_size == 2)
                         {
-							SetBank_SRAM(4, (data & 0x06) + 0);
+                            SetBank_SRAM(4, (byte)((data & 0x06) + 0));
-							SetBank_SRAM(5, (data & 0x06) + 1);
+                            SetBank_SRAM(5, (byte)((data & 0x06) + 1));
                         }
                         else if (prg_size == 3)
                         {
-							SetBank_SRAM(5, data & 0x07);
+                            SetBank_SRAM(5, (byte)(data & 0x07));
                         }
                         break;
                     case 6:
                         if (prg_size == 2 || prg_size == 3)
                         {
-							SetBank_SRAM(6, data & 0x07);
+                            SetBank_SRAM(6, (byte)(data & 0x07));
                         }
                         break;
                 }
             }
         }
 
+        private ByteArrayRef _prom_bank = new ByteArrayRef();
         void SetBank_SRAM(BYTE page, BYTE data)
         {
             if (sram_size == 0) data = (byte)((data > 3) ? 8 : 0);
@@ -435,7 +443,9 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
 
             if (data != 8)
             {
-				SetPROM_Bank(page, &WRAM[0x2000 * data], BANKTYPE_RAM);
+                int offset = 0x2000 * data;
+                _prom_bank.SetArray(WRAM, offset, WRAM.Length - offset);
+                SetPROM_Bank(page, _prom_bank, BANKTYPE_RAM);
                 CPU_MEM_PAGE[page] = data;
             }
             else
@@ -444,7 +454,7 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
             }
         }
 
-		void Mapper005::SetBank_PPU()
+        void SetBank_PPU()
         {
             INT i;
 
@@ -454,27 +464,27 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
                 switch (chr_size)
                 {
                     case 0:
-						SetVROM_8K_Bank(chr_page[0][7]);
+                        SetVROM_8K_Bank(chr_page[0, 7]);
                         break;
                     case 1:
-						SetVROM_4K_Bank(0, chr_page[0][3]);
+                        SetVROM_4K_Bank(0, chr_page[0, 3]);
-						SetVROM_4K_Bank(4, chr_page[0][7]);
+                        SetVROM_4K_Bank(4, chr_page[0, 7]);
                         break;
                     case 2:
-						SetVROM_2K_Bank(0, chr_page[0][1]);
+                        SetVROM_2K_Bank(0, chr_page[0, 1]);
-						SetVROM_2K_Bank(2, chr_page[0][3]);
+                        SetVROM_2K_Bank(2, chr_page[0, 3]);
-						SetVROM_2K_Bank(4, chr_page[0][5]);
+                        SetVROM_2K_Bank(4, chr_page[0, 5]);
-						SetVROM_2K_Bank(6, chr_page[0][7]);
+                        SetVROM_2K_Bank(6, chr_page[0, 7]);
                         break;
                     case 3:
-						SetVROM_8K_Bank(chr_page[0][0],
+                        SetVROM_8K_Bank(chr_page[0, 0],
-								 chr_page[0][1],
+                                 chr_page[0, 1],
-								 chr_page[0][2],
+                                 chr_page[0, 2],
-								 chr_page[0][3],
+                                 chr_page[0, 3],
-								 chr_page[0][4],
+                                 chr_page[0, 4],
-								 chr_page[0][5],
+                                 chr_page[0, 5],
-								 chr_page[0][6],
+                                 chr_page[0, 6],
-								 chr_page[0][7]);
+                                 chr_page[0, 7]);
                         break;
                 }
             }
@@ -486,46 +496,46 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
                     case 0:
                         for (i = 0; i < 8; i++)
                         {
-							BG_MEM_BANK[i] = VROM + 0x2000 * (chr_page[1][7] % VROM_8K_SIZE) + 0x0400 * i;
+                            BG_MEM_BANK[i].SetArray(VROM, 0x2000 * (chr_page[1, 7] % VROM_8K_SIZE) + 0x0400 * i);
-							BG_MEM_PAGE[i] = (chr_page[1][7] % VROM_8K_SIZE) * 8 + i;
+                            BG_MEM_PAGE[i] = (byte)((chr_page[1, 7] % VROM_8K_SIZE) * 8 + i);
                         }
                         break;
                     case 1:
                         for (i = 0; i < 4; i++)
                         {
-							BG_MEM_BANK[i + 0] = VROM + 0x1000 * (chr_page[1][3] % VROM_4K_SIZE) + 0x0400 * i;
+                            BG_MEM_BANK[i + 0].SetArray(VROM, 0x1000 * (chr_page[1, 3] % VROM_4K_SIZE) + 0x0400 * i);
-							BG_MEM_BANK[i + 4] = VROM + 0x1000 * (chr_page[1][7] % VROM_4K_SIZE) + 0x0400 * i;
+                            BG_MEM_BANK[i + 4].SetArray(VROM, 0x1000 * (chr_page[1, 7] % VROM_4K_SIZE) + 0x0400 * i);
-							BG_MEM_PAGE[i + 0] = (chr_page[1][3] % VROM_4K_SIZE) * 4 + i;
+                            BG_MEM_PAGE[i + 0] = (byte)((chr_page[1, 3] % VROM_4K_SIZE) * 4 + i);
-							BG_MEM_PAGE[i + 4] = (chr_page[1][7] % VROM_4K_SIZE) * 4 + i;
+                            BG_MEM_PAGE[i + 4] = (byte)((chr_page[1, 7] % VROM_4K_SIZE) * 4 + i);
                         }
                         break;
                     case 2:
                         for (i = 0; i < 2; i++)
                         {
-							BG_MEM_BANK[i + 0] = VROM + 0x0800 * (chr_page[1][1] % VROM_2K_SIZE) + 0x0400 * i;
+                            BG_MEM_BANK[i + 0].SetArray(VROM, 0x0800 * (chr_page[1, 1] % VROM_2K_SIZE) + 0x0400 * i);
-							BG_MEM_BANK[i + 2] = VROM + 0x0800 * (chr_page[1][3] % VROM_2K_SIZE) + 0x0400 * i;
+                            BG_MEM_BANK[i + 2].SetArray(VROM, 0x0800 * (chr_page[1, 3] % VROM_2K_SIZE) + 0x0400 * i);
-							BG_MEM_BANK[i + 4] = VROM + 0x0800 * (chr_page[1][5] % VROM_2K_SIZE) + 0x0400 * i;
+                            BG_MEM_BANK[i + 4].SetArray(VROM, 0x0800 * (chr_page[1, 5] % VROM_2K_SIZE) + 0x0400 * i);
-							BG_MEM_BANK[i + 6] = VROM + 0x0800 * (chr_page[1][7] % VROM_2K_SIZE) + 0x0400 * i;
+                            BG_MEM_BANK[i + 6].SetArray(VROM, 0x0800 * (chr_page[1, 7] % VROM_2K_SIZE) + 0x0400 * i);
-							BG_MEM_PAGE[i + 0] = (chr_page[1][1] % VROM_2K_SIZE) * 2 + i;
+                            BG_MEM_PAGE[i + 0] = (byte)((chr_page[1, 1] % VROM_2K_SIZE) * 2 + i);
-							BG_MEM_PAGE[i + 2] = (chr_page[1][3] % VROM_2K_SIZE) * 2 + i;
+                            BG_MEM_PAGE[i + 2] = (byte)((chr_page[1, 3] % VROM_2K_SIZE) * 2 + i);
-							BG_MEM_PAGE[i + 4] = (chr_page[1][5] % VROM_2K_SIZE) * 2 + i;
+                            BG_MEM_PAGE[i + 4] = (byte)((chr_page[1, 5] % VROM_2K_SIZE) * 2 + i);
-							BG_MEM_PAGE[i + 6] = (chr_page[1][7] % VROM_2K_SIZE) * 2 + i;
+                            BG_MEM_PAGE[i + 6] = (byte)((chr_page[1, 7] % VROM_2K_SIZE) * 2 + i);
                         }
                         break;
                     case 3:
                         for (i = 0; i < 8; i++)
                         {
-							BG_MEM_BANK[i] = VROM + 0x0400 * (chr_page[1][i] % VROM_1K_SIZE);
+                            BG_MEM_BANK[i].SetArray(VROM, 0x0400 * (chr_page[1, i] % VROM_1K_SIZE));
-							BG_MEM_PAGE[i] = (chr_page[1][i] % VROM_1K_SIZE) + i;
+                            BG_MEM_PAGE[i] = (byte)((chr_page[1, i] % VROM_1K_SIZE) + i);
                         }
                         break;
                 }
             }
         }
 
-		void Mapper005::HSync(INT scanline)
+        public override void HSync(int scanline)
         {
-			if (irq_type & MMC5_IRQ_METAL)
+            if ((irq_type & MMC5_IRQ_METAL) != 0)
             {
                 if (irq_scanline == irq_line)
                 {
@@ -540,14 +550,14 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
                 irq_status |= 0x40;
                 irq_clear = 0;
             }
-			else if (irq_type & MMC5_IRQ_METAL)
+            else if ((irq_type & MMC5_IRQ_METAL) != 0)
             {
                 irq_scanline = 0;
-				irq_status &= ~0x80;
+                irq_status = (byte)(irq_status & ~0x80);
-				irq_status &= ~0x40;
+                irq_status = (byte)(irq_status & ~0x40);
             }
 
-			if (!(irq_type & MMC5_IRQ_METAL))
+            if ((irq_type & MMC5_IRQ_METAL) == 0)
             {
                 if (irq_scanline == irq_line)
                 {
@@ -557,28 +567,17 @@ DEBUGOUT( "$%04X=%02X C:%10d\n", addr, data, nes.cpu.GetTotalCycles() );
                 if (++irq_clear > 2)
                 {
                     irq_scanline = 0;
-					irq_status &= ~0x80;
+                    irq_status = (byte)(irq_status & ~0x80);
-					irq_status &= ~0x40;
+                    irq_status = (byte)(irq_status & ~0x40);
 
                     nes.cpu.ClrIRQ(IRQ_MAPPER);
                 }
             }
 
-			if ((irq_enable & 0x80) && (irq_status & 0x80) && (irq_status & 0x40))
+            if ((irq_enable & 0x80) != 0 && (irq_status & 0x80) != 0 && (irq_status & 0x40) != 0)
             {
                 nes.cpu.SetIRQ(IRQ_MAPPER);
                 ///		nes.cpu.IRQ_NotPending();
-#if 0
-{
-LPBYTE	lpScn = nes.ppu.GetScreenPtr();
-
-	lpScn = lpScn+(256+16)*scanline;
-
-	for( INT i = 0; i < 256+16; i++ ) {
-		lpScn[i] = 22;
-	}
-}
-#endif
             }
 
             // For Split mode!
@@ -618,7 +617,7 @@ LPBYTE	lpScn = nes.ppu.GetScreenPtr();
         //void Mapper005::PPU_ExtLatchX(INT x)
         public override void PPU_ExtLatchX(int x)
         {
-			split_x = x;
+            split_x = (byte)x;
         }
 
         //void Mapper005::PPU_ExtLatch(WORD addr, BYTE& chr_l, BYTE& chr_h, BYTE& attr )
@@ -631,15 +630,15 @@ LPBYTE	lpScn = nes.ppu.GetScreenPtr();
 
             tile_yofs = nes.ppu.GetTILEY();
 
-			bSplit = FALSE;
+            bSplit = false;
-			if (split_control & 0x80)
+            if ((split_control & 0x80) != 0)
             {
-				if (!(split_control & 0x40))
+                if ((split_control & 0x40) == 0)
                 {
                     // Left side
                     if ((split_control & 0x1F) > split_x)
                     {
-						bSplit = TRUE;
+                        bSplit = true;
                     }
                 }
                 else
@@ -647,7 +646,7 @@ LPBYTE	lpScn = nes.ppu.GetScreenPtr();
                     // Right side
                     if ((split_control & 0x1F) <= split_x)
                     {
-						bSplit = TRUE;
+                        bSplit = true;
                     }
                 }
             }
@@ -660,13 +659,13 @@ LPBYTE	lpScn = nes.ppu.GetScreenPtr();
                     if (graphic_mode == 1)
                     {
                         // ExGraphic mode
-						ntbladr = 0x2000 + (addr & 0x0FFF);
+                        ntbladr = (ushort)(0x2000 + (addr & 0x0FFF));
                         // Get Nametable
-						tileadr = fill_chr * 0x10 + tile_yofs;
+                        tileadr = (ushort)(fill_chr * 0x10 + tile_yofs);
                         // Get TileBank
-						tilebank = 0x1000 * ((VRAM[0x0800 + (ntbladr & 0x03FF)] & 0x3F) % VROM_4K_SIZE);
+                        tilebank = (uint)(0x1000 * ((VRAM[0x0800 + (ntbladr & 0x03FF)] & 0x3F) % VROM_4K_SIZE));
                         // Attribute
-						attr = (fill_pal << 2) & 0x0C;
+                        attr = (byte)((fill_pal << 2) & 0x0C);
                         // Get Pattern
                         chr_l = VROM[tilebank + tileadr];
                         chr_h = VROM[tilebank + tileadr + 8];
@@ -674,11 +673,11 @@ LPBYTE	lpScn = nes.ppu.GetScreenPtr();
                     else
                     {
                         // Normal
-						tileofs = (PPUREG[0] & PPU_BGTBL_BIT) ? 0x1000 : 0x0000;
+                        tileofs = (ushort)((PPUREG[0] & PPU_BGTBL_BIT) != 0 ? 0x1000 : 0x0000);
-						tileadr = tileofs + fill_chr * 0x10 + tile_yofs;
+                        tileadr = (ushort)(tileofs + fill_chr * 0x10 + tile_yofs);
-						attr = (fill_pal << 2) & 0x0C;
+                        attr = (byte)((fill_pal << 2) & 0x0C);
                         // Get Pattern
-						if (chr_type)
+                        if (chr_type != 0)
                         {
                             chr_l = PPU_MEM_BANK[tileadr >> 10][tileadr & 0x03FF];
                             chr_h = PPU_MEM_BANK[tileadr >> 10][(tileadr & 0x03FF) + 8];
@@ -693,13 +692,13 @@ LPBYTE	lpScn = nes.ppu.GetScreenPtr();
                 else if (graphic_mode == 1)
                 {
                     // ExGraphic mode
-					ntbladr = 0x2000 + (addr & 0x0FFF);
+                    ntbladr = (ushort)(0x2000 + (addr & 0x0FFF));
                     // Get Nametable
-					tileadr = (WORD)PPU_MEM_BANK[ntbladr >> 10][ntbladr & 0x03FF] * 0x10 + tile_yofs;
+                    tileadr = (ushort)(PPU_MEM_BANK[ntbladr >> 10][ntbladr & 0x03FF] * 0x10 + tile_yofs);
                     // Get TileBank
-					tilebank = 0x1000 * ((VRAM[0x0800 + (ntbladr & 0x03FF)] & 0x3F) % VROM_4K_SIZE);
+                    tilebank = (uint)(0x1000 * ((VRAM[0x0800 + (ntbladr & 0x03FF)] & 0x3F) % VROM_4K_SIZE));
                     // Get Attribute
-					attr = (VRAM[0x0800 + (ntbladr & 0x03FF)] & 0xC0) >> 4;
+                    attr = (byte)((VRAM[0x0800 + (ntbladr & 0x03FF)] & 0xC0) >> 4);
                     // Get Pattern
                     chr_l = VROM[tilebank + tileadr];
                     chr_h = VROM[tilebank + tileadr + 8];
@@ -707,18 +706,18 @@ LPBYTE	lpScn = nes.ppu.GetScreenPtr();
                 else
                 {
                     // Normal or ExVRAM
-					tileofs = (PPUREG[0] & PPU_BGTBL_BIT) ? 0x1000 : 0x0000;
+                    tileofs = (ushort)((PPUREG[0] & PPU_BGTBL_BIT) != 0 ? 0x1000 : 0x0000);
-					ntbladr = 0x2000 + (addr & 0x0FFF);
+                    ntbladr = (ushort)(0x2000 + (addr & 0x0FFF));
-					attradr = 0x23C0 + (addr & 0x0C00) + ((addr & 0x0380) >> 4) + ((addr & 0x001C) >> 2);
+                    attradr = (ushort)(0x23C0 + (addr & 0x0C00) + ((addr & 0x0380) >> 4) + ((addr & 0x001C) >> 2));
                     // Get Nametable
-					tileadr = tileofs + PPU_MEM_BANK[ntbladr >> 10][ntbladr & 0x03FF] * 0x10 + tile_yofs;
+                    tileadr = (ushort)(tileofs + PPU_MEM_BANK[ntbladr >> 10][ntbladr & 0x03FF] * 0x10 + tile_yofs);
                     // Get Attribute
                     attr = PPU_MEM_BANK[attradr >> 10][attradr & 0x03FF];
-					if (ntbladr & 0x0002) attr >>= 2;
+                    if ((ntbladr & 0x0002) != 0) attr >>= 2;
-					if (ntbladr & 0x0040) attr >>= 4;
+                    if ((ntbladr & 0x0040) != 0) attr >>= 4;
-					attr = (attr & 0x03) << 2;
+                    attr = (byte)((attr & 0x03) << 2);
                     // Get Pattern
-					if (chr_type)
+                    if (chr_type != 0)
                     {
                         chr_l = PPU_MEM_BANK[tileadr >> 10][tileadr & 0x03FF];
                         chr_h = PPU_MEM_BANK[tileadr >> 10][(tileadr & 0x03FF) + 8];
@@ -732,16 +731,16 @@ LPBYTE	lpScn = nes.ppu.GetScreenPtr();
             }
             else
             {
-				ntbladr = ((split_addr & 0x03E0) | (split_x & 0x1F)) & 0x03FF;
+                ntbladr = (ushort)(((split_addr & 0x03E0) | (split_x & 0x1F)) & 0x03FF);
                 // Get Split TileBank
-				tilebank = 0x1000 * ((INT)split_page % VROM_4K_SIZE);
+                tilebank = (uint)(0x1000 * (split_page % VROM_4K_SIZE));
-				tileadr = (ushort)VRAM[0x0800 + ntbladr] * 0x10 + split_yofs;
+                tileadr = (ushort)(VRAM[0x0800 + ntbladr] * 0x10 + split_yofs);
                 // Get Attribute
-				attradr = 0x03C0 + ((ntbladr & 0x0380) >> 4) + ((ntbladr & 0x001C) >> 2);
+                attradr = (ushort)(0x03C0 + ((ntbladr & 0x0380) >> 4) + ((ntbladr & 0x001C) >> 2));
                 attr = VRAM[0x0800 + attradr];
-				if (ntbladr & 0x0002) attr >>= 2;
+                if ((ntbladr & 0x0002) != 0) attr >>= 2;
-				if (ntbladr & 0x0040) attr >>= 4;
+                if ((ntbladr & 0x0040) != 0) attr >>= 4;
-				attr = (attr & 0x03) << 2;
+                attr = (byte)((attr & 0x03) << 2);
                 // Get Pattern
                 chr_l = VROM[tilebank + tileadr];
                 chr_h = VROM[tilebank + tileadr + 8];
@@ -781,7 +780,7 @@ LPBYTE	lpScn = nes.ppu.GetScreenPtr();
             {
                 for (i = 0; i < 8; i++)
                 {
-					p[24 + j * 8 + i] = chr_page[j][i];
+                    p[24 + j * 8 + i] = chr_page[j, i];
                 }
             }
             //	for( i = 0; i < 8; i++ ) {
@@ -823,7 +822,7 @@ LPBYTE	lpScn = nes.ppu.GetScreenPtr();
             {
                 for (i = 0; i < 8; i++)
                 {
-					chr_page[j][i] = p[24 + j * 8 + i];
+                    chr_page[j, i] = p[24 + j * 8 + i];
                 }
             }
             //	// BGバンクの再設定処理

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AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper245.cs

@@ -22,6 +22,7 @@ namespace VirtualNes.Core
         BYTE irq_latch;
         BYTE irq_request;
         int MMC4prg, MMC4chr;
+
         public Mapper245(NES parent) : base(parent)
         {
         }
@@ -164,9 +165,9 @@ namespace VirtualNes.Core
 
         void SetBank_PPU()
         {
-            if ((VROM_1K_SIZE) != 0)
+            if (VROM_1K_SIZE != 0)
             {
-                if (((reg[0] & 0x80)! + 0) != 0)
+                if ((reg[0] & 0x80) != 0)
                 {
                     SetVROM_8K_Bank(chr4, chr5, chr6, chr7,
                              chr23 + 1, chr23, chr01 + 1, chr01);

AxibugEmuOnline.Client/Assets/VirtualNes.Core/PPU.cs

@@ -1147,6 +1147,16 @@ namespace VirtualNes.Core
             bChrLatch = bMode;
         }
 
+        internal void SetExtNameTableMode(bool bMode)
+        {
+            bExtNameTable = bMode;
+        }
+
+        internal void SetExtMonoMode(bool bMode)
+        {
+            bExtMono = bMode;
+        }
+
         public struct Sprite
         {
             public byte y