1687 lines
60 KiB
C#
1687 lines
60 KiB
C#
using Codice.CM.Client.Differences;
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using Google.Protobuf.Collections;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Numerics;
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using System.Text;
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using UnityEngine.UIElements;
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using UnityEngine;
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using VirtualNes.Core.Debug;
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using Unity.VisualScripting.Antlr3.Runtime.Tree;
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namespace VirtualNes.Core
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{
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public class NES
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{
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public const int FETCH_CYCLES = 8;
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public CPU cpu;
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public PPU ppu;
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public APU apu;
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public ROM rom;
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public PAD pad;
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public Mapper mapper;
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public NesConfig nescfg;
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private List<CHEATCODE> m_CheatCode = new List<CHEATCODE>();
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private List<GENIECODE> m_GenieCode = new List<GENIECODE>();
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private bool m_bDiskThrottle;
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private int m_CommandRequest;
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private int m_nSnapNo;
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private bool m_bNsfPlaying;
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private bool m_bNsfInit;
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private int m_nNsfSongNo;
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private int m_nNsfSongMode;
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private bool m_bMoviePlay;
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private bool m_bMovieRec;
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private Stream m_fpMovie;
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private uint m_MovieControl;
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private int m_MovieStepTotal;
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private int m_MovieStep;
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private bool m_bTapePlay;
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private bool m_bTapeRec;
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private Stream m_fpTape;
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private double m_TapeCycles;
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private byte m_TapeIn;
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private byte m_TapeOut;
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// For Barcode
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private bool m_bBarcode;
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private byte m_BarcodeOut;
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private byte m_BarcodePtr;
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private int m_BarcodeCycles;
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private byte[] m_BarcodeData = new byte[256];
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// For Barcode
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private bool m_bBarcode2;
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private int m_Barcode2seq;
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private int m_Barcode2ptr;
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private int m_Barcode2cnt;
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private byte m_Barcode2bit;
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private byte[] m_Barcode2data = new byte[32];
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private int m_TurboFileBank;
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private int SAVERAM_SIZE;
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private int nIRQtype;
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private bool bFrameIRQ;
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private bool bVideoMode;
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private int NES_scanline;
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private EnumRenderMethod RenderMethod;
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private bool bZapper;
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private int ZapperX;
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private int ZapperY;
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private long base_cycles;
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private long emul_cycles;
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// For VS-Unisystem
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byte m_VSDipValue;
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VSDIPSWITCH[] m_VSDipTable;
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private byte[] m_PadImg = new byte[226]
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{
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28, 8,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00,
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0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x00,
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0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x00, 0x0F,
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0x0F, 0x0F, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x00,
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0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x00, 0x0F,
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0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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private byte[] m_KeyImg0 = new byte[6]
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{
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2, 2,
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0x2A, 0x2A,
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0x2A, 0x2A,
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};
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private byte[] m_KeyImg1 = new byte[8]
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{
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3, 3,
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0x2A, 0x2A, 0x2A,
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0x2A, 0x2A, 0x2A,
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};
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private byte[] m_KeyImg2 = new byte[18]
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{
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4, 4,
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0xFF, 0x2A, 0x2A, 0xFF,
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0x2A, 0x2A, 0x2A, 0x2A,
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0x2A, 0x2A, 0x2A, 0x2A,
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0xFF, 0x2A, 0x2A, 0xFF,
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};
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private byte[] Font6x8 = new byte[768]
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{
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x20,0x20,0x20,0x00,0x20,0x00,
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0x50,0x50,0x00,0x00,0x00,0x00,0x00,0x00,0x50,0x50,0xF8,0x50,0xF8,0x50,0x50,0x00,
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0x20,0x78,0xA0,0x70,0x28,0xF0,0x20,0x00,0x48,0xB0,0x50,0x20,0x50,0x68,0x90,0x00,
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0x40,0xA0,0xA8,0x68,0x90,0x90,0x68,0x00,0x30,0x20,0x00,0x00,0x00,0x00,0x00,0x00,
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0x10,0x20,0x40,0x40,0x40,0x20,0x10,0x00,0x40,0x20,0x10,0x10,0x10,0x20,0x40,0x00,
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0x00,0x88,0x50,0x20,0x50,0x88,0x00,0x00,0x00,0x20,0x20,0xF8,0x20,0x20,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x20,0x40,0x00,0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x08,0x10,0x10,0x20,0x40,0x40,0x80,0x00,
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0x70,0x88,0x98,0xA8,0xC8,0x88,0x70,0x00,0x20,0x60,0x20,0x20,0x20,0x20,0xF8,0x00,
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0x70,0x88,0x08,0x30,0x40,0x80,0xF8,0x00,0x70,0x88,0x08,0x30,0x08,0x88,0x70,0x00,
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0x30,0x50,0x90,0x90,0xF8,0x10,0x10,0x00,0xF8,0x80,0x80,0xF0,0x08,0x08,0xF0,0x00,
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0x70,0x88,0x80,0xF0,0x88,0x88,0x70,0x00,0xF8,0x08,0x10,0x10,0x20,0x20,0x20,0x00,
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0x70,0x88,0x88,0x70,0x88,0x88,0x70,0x00,0x70,0x88,0x88,0x78,0x08,0x88,0x70,0x00,
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0x00,0x20,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x20,0x40,0x00,
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0x10,0x20,0x40,0x80,0x40,0x20,0x10,0x00,0x00,0x00,0xF8,0x00,0xF8,0x00,0x00,0x00,
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0x40,0x20,0x10,0x08,0x10,0x20,0x40,0x00,0x70,0x88,0x08,0x10,0x20,0x00,0x20,0x00,
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0x30,0x48,0x88,0x98,0xA8,0xA8,0x78,0x00,0x20,0x50,0x50,0x88,0xF8,0x88,0x88,0x00,
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0xF0,0x88,0x88,0xF0,0x88,0x88,0xF0,0x00,0x70,0x88,0x80,0x80,0x80,0x88,0x70,0x00,
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0xF0,0x88,0x88,0x88,0x88,0x88,0xF0,0x00,0xF8,0x80,0x80,0xF0,0x80,0x80,0xF8,0x00,
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0xF8,0x80,0x80,0xF0,0x80,0x80,0x80,0x00,0x70,0x88,0x80,0xB8,0x88,0x88,0x70,0x00,
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0x88,0x88,0x88,0xF8,0x88,0x88,0x88,0x00,0xF8,0x20,0x20,0x20,0x20,0x20,0xF8,0x00,
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0x38,0x08,0x08,0x08,0x08,0x88,0x70,0x00,0x88,0x88,0x90,0xE0,0x90,0x88,0x88,0x00,
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0x80,0x80,0x80,0x80,0x80,0x80,0xF8,0x00,0x88,0xD8,0xA8,0xA8,0xA8,0xA8,0xA8,0x00,
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0x88,0xC8,0xA8,0xA8,0xA8,0x98,0x88,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x00,
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0xF0,0x88,0x88,0xF0,0x80,0x80,0x80,0x00,0x70,0x88,0x88,0x88,0xA8,0x90,0x68,0x00,
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0xF0,0x88,0x88,0xF0,0x88,0x88,0x88,0x00,0x70,0x88,0x80,0x70,0x08,0x88,0x70,0x00,
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0xF8,0x20,0x20,0x20,0x20,0x20,0x20,0x00,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x00,
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0x88,0x88,0x88,0x50,0x50,0x50,0x20,0x00,0x88,0xA8,0xA8,0xA8,0xA8,0xD8,0x88,0x00,
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0x88,0x88,0x50,0x20,0x50,0x88,0x88,0x00,0x88,0x88,0x88,0x70,0x20,0x20,0x20,0x00,
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0xF8,0x08,0x10,0x20,0x40,0x80,0xF8,0x00,0x70,0x40,0x40,0x40,0x40,0x40,0x70,0x00,
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0x88,0x50,0xF8,0x20,0xF8,0x20,0x20,0x00,0x70,0x10,0x10,0x10,0x10,0x10,0x70,0x00,
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0x20,0x50,0x88,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF8,0x00,
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0x80,0xC0,0xE0,0xF0,0xE0,0xC0,0x80,0x00,0x00,0x00,0x70,0x08,0x78,0x88,0xF8,0x00,
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0x80,0x80,0x80,0xF0,0x88,0x88,0xF0,0x00,0x00,0x00,0x78,0x80,0x80,0x80,0x78,0x00,
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0x08,0x08,0x08,0x78,0x88,0x88,0x78,0x00,0x00,0x00,0x70,0x88,0xF8,0x80,0x78,0x00,
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0x18,0x20,0xF8,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0x78,0x88,0x78,0x08,0xF0,0x00,
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0x80,0x80,0x80,0xF0,0x88,0x88,0x88,0x00,0x20,0x00,0x20,0x20,0x20,0x20,0x20,0x00,
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0x20,0x00,0x20,0x20,0x20,0x20,0xC0,0x00,0x80,0x80,0x88,0x90,0xE0,0x90,0x88,0x00,
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0x20,0x20,0x20,0x20,0x20,0x20,0x30,0x00,0x00,0x00,0xF0,0xA8,0xA8,0xA8,0xA8,0x00,
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0x00,0x00,0xF0,0x88,0x88,0x88,0x88,0x00,0x00,0x00,0x70,0x88,0x88,0x88,0x70,0x00,
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0x00,0x00,0xF0,0x88,0xF0,0x80,0x80,0x00,0x00,0x00,0x78,0x88,0x78,0x08,0x08,0x00,
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0x00,0x00,0xB8,0xC0,0x80,0x80,0x80,0x00,0x00,0x00,0x78,0x80,0x70,0x08,0xF0,0x00,
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0x20,0x20,0xF8,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0x88,0x88,0x88,0x88,0x70,0x00,
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0x00,0x00,0x88,0x88,0x50,0x50,0x20,0x00,0x00,0x00,0x88,0xA8,0xA8,0xD8,0x88,0x00,
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0x00,0x00,0x88,0x50,0x20,0x50,0x88,0x00,0x00,0x00,0x88,0x88,0x78,0x08,0xF0,0x00,
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0x00,0x00,0xF8,0x08,0x70,0x80,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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};
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public NES(string fname)
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{
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Debuger.Log("VirtuaNES - CSharpCore\n");
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m_bDiskThrottle = false;
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m_CommandRequest = 0;
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m_nSnapNo = 0;
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m_bNsfPlaying = false;
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m_bMoviePlay = m_bMovieRec = false;
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m_fpMovie = null;
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m_bTapePlay = m_bTapeRec = false;
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m_fpTape = null;
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m_TapeCycles = 0d;
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m_TapeIn = m_TapeOut = 0;
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m_bBarcode2 = false;
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m_TurboFileBank = 0;
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cpu = null;
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ppu = null;
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apu = null;
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rom = null;
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pad = null;
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mapper = null;
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SAVERAM_SIZE = 8 * 1024;
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nIRQtype = 0;
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bFrameIRQ = true;
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bVideoMode = false;
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nescfg = NesConfig.NESCONFIG_NTSC;
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CheatInitial();
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try
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{
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Debuger.Log("Allocating CPU...");
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cpu = new CPU(this);
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Debuger.Log("Allocating PPU...");
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ppu = new PPU(this);
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var screenBuffer = new byte[PPU.SCREEN_WIDTH * PPU.SCREEN_HEIGHT];
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var colormode = new byte[PPU.SCREEN_HEIGHT];
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ppu.SetScreenPtr(screenBuffer, colormode);
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Debuger.Log("Allocating APU...");
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apu = new APU(this);
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Debuger.Log("Allocating PAD...");
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pad = new PAD(this);
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Debuger.Log("Loading ROM Image...");
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rom = new ROM(fname);
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mapper = Mapper.CreateMapper(this, rom.GetMapperNo());
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Debuger.Log("OK");
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Debuger.Log($"{rom.GetRomName()}");
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Debuger.Log($"Mapper : #{rom.GetMapperNo():D3}");
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Debuger.Log($"PRG SIZE : {16 * rom.GetPROM_SIZE():4:0000}K");
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Debuger.Log($"CHR SIZE : {8 * rom.GetVROM_SIZE():4:0000}K");
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Debuger.Log($"V MIRROR :{rom.IsVMIRROR()}");
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Debuger.Log($"4 SCREEN :{rom.Is4SCREEN()}");
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Debuger.Log($"SAVE RAM :{rom.IsSAVERAM()}");
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Debuger.Log($"TRAINER :{rom.IsTRAINER()}");
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Debuger.Log($"VS-Unisystem :{rom.IsVSUNISYSTEM()}");
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NesSub_MemoryInitial();
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LoadSRAM();
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LoadDISK();
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{
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// Pad<61><64><EFBFBD>饹<EFBFBD>ڤ<EFBFBD><DAA4>ȳ<EFBFBD><C8B3>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߥ<DFA5><F3A5B0A4>W<EFBFBD><57><EFBFBD>ΤǤ<CEA4><C7A4><EFBFBD><EFBFBD><EFBFBD>
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uint crc = rom.GetPROM_CRC();
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if (
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crc == 0xe792de94 // Best Play - Pro Yakyuu (New) (J)
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|| crc == 0xf79d684a // Best Play - Pro Yakyuu (Old) (J)
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|| crc == 0xc2ef3422 // Best Play - Pro Yakyuu 2 (J)
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|| crc == 0x974e8840 // Best Play - Pro Yakyuu '90 (J)
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|| crc == 0xb8747abf // Best Play - Pro Yakyuu Special (J)
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|| crc == 0x9fa1c11f // Castle Excellent (J)
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|| crc == 0x0b0d4d1b // Derby Stallion - Zenkoku Ban (J)
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|| crc == 0x728c3d98 // Downtown - Nekketsu Monogatari (J)
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|| crc == 0xd68a6f33 // Dungeon Kid (J)
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|| crc == 0x3a51eb04 // Fleet Commander (J)
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|| crc == 0x7c46998b // Haja no Fuuin (J)
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|| crc == 0x7e5d2f1a // Itadaki Street - Watashi no Mise ni Yottette (J)
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|| crc == 0xcee5857b // Ninjara Hoi! (J)
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|| crc == 0x50ec5e8b // Wizardry - Legacy of Llylgamyn (J)
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|| crc == 0x343e9146 // Wizardry - Proving Grounds of the Mad Overlord (J)
|
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|| crc == 0x33d07e45)
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{ // Wizardry - The Knight of Diamonds (J)
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pad.SetExController(EXCONTROLLER.EXCONTROLLER_TURBOFILE);
|
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}
|
||
}
|
||
|
||
LoadTurboFile();
|
||
|
||
// VS-Unisystem<65>Υǥե<C7A5><D5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>O<EFBFBD><4F>
|
||
if (rom.IsVSUNISYSTEM())
|
||
{
|
||
uint crc = rom.GetPROM_CRC();
|
||
|
||
m_VSDipValue = 0;
|
||
m_VSDipTable = VsUnisystem.vsdip_default;
|
||
}
|
||
|
||
Reset();
|
||
|
||
// <20><><EFBFBD>`<60><><EFBFBD><EFBFBD><EFBFBD>ФΥǥե<C7A5><D5A5><EFBFBD><EFBFBD>ȥ<EFBFBD><C8A5>ץ<EFBFBD><D7A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>O<EFBFBD><4F>(<28>O<EFBFBD><4F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>r<EFBFBD><72>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>)
|
||
GameOption.defRenderMethod = (int)GetRenderMethod();
|
||
GameOption.defIRQtype = GetIrqType();
|
||
GameOption.defFrameIRQ = GetFrameIRQmode();
|
||
GameOption.defVideoMode = GetVideoMode();
|
||
|
||
// <20>O<EFBFBD><4F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`<60>ɤ<EFBFBD><C9A4><EFBFBD><EFBFBD>O<EFBFBD><4F><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD>ȥ꤬<C8A5>o<EFBFBD><6F><EFBFBD><EFBFBD><EFBFBD>Хǥե<C7A5><D5A5><EFBFBD><EFBFBD>Ȥ<EFBFBD><C8A4><EFBFBD><EFBFBD><EFBFBD>)
|
||
if (rom.GetMapperNo() != 20)
|
||
{
|
||
GameOption.Load(rom.GetPROM_CRC());
|
||
}
|
||
else
|
||
{
|
||
GameOption.Load(rom.GetGameID(), rom.GetMakerID());
|
||
}
|
||
|
||
SetRenderMethod((EnumRenderMethod)GameOption.nRenderMethod);
|
||
SetIrqType((IRQMETHOD)GameOption.nIRQtype);
|
||
SetFrameIRQmode(GameOption.bFrameIRQ);
|
||
SetVideoMode(GameOption.bVideoMode);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
Debuger.LogError(ex.ToString());
|
||
throw ex;
|
||
}
|
||
}
|
||
|
||
internal int GetIrqType()
|
||
{
|
||
return nIRQtype;
|
||
}
|
||
|
||
private void LoadTurboFile()
|
||
{
|
||
MemoryUtility.ZEROMEMORY(MMU.ERAM, MMU.ERAM.Length);
|
||
|
||
if (pad.GetExController() != (int)EXCONTROLLER.EXCONTROLLER_TURBOFILE)
|
||
return;
|
||
|
||
var fp = Supporter.OpenFile(Supporter.Config.path.szSavePath, "TurboFile.vtf");
|
||
try
|
||
{
|
||
if (fp == null)
|
||
{
|
||
// xxx <20>ե<EFBFBD><D5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>_<EFBFBD><5F><EFBFBD>ޤ<EFBFBD><DEA4><EFBFBD>
|
||
throw new Exception($"Can Not Open File [TurboFile.vtf]");
|
||
}
|
||
|
||
long size = fp.Length;
|
||
// <20>ե<EFBFBD><D5A5><EFBFBD><EFBFBD>륵<EFBFBD><EBA5B5><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>
|
||
if (size > 32 * 1024)
|
||
{
|
||
size = 32 * 1024;
|
||
}
|
||
|
||
fp.Read(MMU.ERAM, 0, MMU.ERAM.Length);
|
||
fp.Close();
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
fp?.Close();
|
||
Debuger.LogError($"Loading TurboFile Error.\n{ex}");
|
||
}
|
||
}
|
||
|
||
private void LoadDISK()
|
||
{
|
||
//todo : <20>ŵ<EFBFBD><C5B5><EFBFBD><EFBFBD><EFBFBD>ȡ֧<C8A1><D6A7>
|
||
}
|
||
|
||
private void LoadSRAM()
|
||
{
|
||
if (rom.IsNSF())
|
||
return;
|
||
|
||
MemoryUtility.ZEROMEMORY(MMU.WRAM, MMU.WRAM.Length);
|
||
|
||
if (!rom.IsSAVERAM())
|
||
return;
|
||
|
||
var saveFileDir = Supporter.Config.path.szSavePath;
|
||
var saveFileName = $"{rom.GetRomName()}.sav";
|
||
|
||
var fp = Supporter.OpenFile(saveFileDir, saveFileName);
|
||
|
||
try
|
||
{
|
||
if (fp == null)
|
||
{
|
||
throw new Exception("not find ram file to read");
|
||
}
|
||
|
||
Debuger.Log("Loading SAVERAM...");
|
||
|
||
int size = (int)fp.Length;
|
||
if (size <= 128 * 1024)
|
||
{
|
||
fp.Read(MMU.WRAM, 0, size);
|
||
}
|
||
Debuger.Log("OK.");
|
||
fp.Close();
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
fp?.Close();
|
||
fp = null;
|
||
}
|
||
}
|
||
|
||
private void NesSub_MemoryInitial()
|
||
{
|
||
int i;
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>N<EFBFBD><4E><EFBFBD>A
|
||
MemoryUtility.ZEROMEMORY(MMU.RAM, MMU.RAM.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.WRAM, MMU.WRAM.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.DRAM, MMU.DRAM.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.ERAM, MMU.ERAM.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.XRAM, MMU.XRAM.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.CRAM, MMU.CRAM.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.VRAM, MMU.VRAM.Length);
|
||
|
||
MemoryUtility.ZEROMEMORY(MMU.SPRAM, MMU.SPRAM.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.BGPAL, MMU.BGPAL.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.SPPAL, MMU.SPPAL.Length);
|
||
|
||
MemoryUtility.ZEROMEMORY(MMU.CPUREG, MMU.CPUREG.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.PPUREG, MMU.PPUREG.Length);
|
||
|
||
MMU.FrameIRQ = 0xC0;
|
||
|
||
MMU.PROM = MMU.VROM = null;
|
||
|
||
// 0 <20><><EFBFBD>Z<EFBFBD>h<EFBFBD>~<7E><EFBFBD>
|
||
MMU.PROM_8K_SIZE = MMU.PROM_16K_SIZE = MMU.PROM_32K_SIZE = 1;
|
||
MMU.VROM_1K_SIZE = MMU.VROM_2K_SIZE = MMU.VROM_4K_SIZE = MMU.VROM_8K_SIZE = 1;
|
||
|
||
// <20>f<EFBFBD>t<EFBFBD>H<EFBFBD><48><EFBFBD>g<EFBFBD>o<EFBFBD><6F><EFBFBD>N<EFBFBD>ݒ<EFBFBD>
|
||
for (i = 0; i < 8; i++)
|
||
{
|
||
MMU.CPU_MEM_BANK[i] = null;
|
||
MMU.CPU_MEM_TYPE[i] = MMU.BANKTYPE_ROM;
|
||
MMU.CPU_MEM_PAGE[i] = 0;
|
||
}
|
||
|
||
// <20><><EFBFBD><EFBFBD>RAM/WRAM
|
||
MMU.SetPROM_Bank(0, MMU.RAM, MMU.BANKTYPE_RAM);
|
||
MMU.SetPROM_Bank(3, MMU.WRAM, MMU.BANKTYPE_RAM);
|
||
|
||
// <20>_<EFBFBD>~<7E>[
|
||
MMU.SetPROM_Bank(1, MMU.XRAM, MMU.BANKTYPE_ROM);
|
||
MMU.SetPROM_Bank(2, MMU.XRAM, MMU.BANKTYPE_ROM);
|
||
|
||
for (i = 0; i < 8; i++)
|
||
{
|
||
MMU.CRAM_USED[i] = 0;
|
||
}
|
||
}
|
||
|
||
public void Command(NESCOMMAND cmd)
|
||
{
|
||
CommandParam(cmd, 0);
|
||
}
|
||
|
||
public bool CommandParam(NESCOMMAND cmd, int param)
|
||
{
|
||
switch (cmd)
|
||
{
|
||
case NESCOMMAND.NESCMD_NONE: break;
|
||
case NESCOMMAND.NESCMD_HWRESET:
|
||
Reset();
|
||
m_CommandRequest = (int)cmd;
|
||
break;
|
||
case NESCOMMAND.NESCMD_SWRESET:
|
||
SoftReset();
|
||
m_CommandRequest = (int)cmd;
|
||
break;
|
||
default:
|
||
throw new NotImplementedException($"{cmd} not impl right now");
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
public void CheatInitial()
|
||
{
|
||
m_CheatCode.Clear();
|
||
}
|
||
|
||
private int FrameCount = 0;
|
||
public void EmulateFrame(bool bDraw)
|
||
{
|
||
FrameCount++;
|
||
|
||
int scanline = 0;
|
||
if (rom.IsNSF())
|
||
{
|
||
EmulateNSF();
|
||
return;
|
||
}
|
||
|
||
CheatCodeProcess();
|
||
|
||
NES_scanline = scanline;
|
||
bool NotTile = RenderMethod != EnumRenderMethod.TILE_RENDER;
|
||
|
||
if (RenderMethod != EnumRenderMethod.TILE_RENDER)
|
||
{
|
||
bZapper = false;
|
||
while (true)
|
||
{
|
||
ppu.SetRenderScanline(scanline);
|
||
|
||
if (scanline == 0)
|
||
{
|
||
if (RenderMethod < EnumRenderMethod.POST_RENDER)
|
||
{
|
||
EmulationCPU(nescfg.ScanlineCycles);
|
||
ppu.FrameStart();
|
||
ppu.ScanlineNext();
|
||
mapper.HSync(scanline);
|
||
ppu.ScanlineStart();
|
||
}
|
||
else
|
||
{
|
||
EmulationCPU(nescfg.HDrawCycles);
|
||
ppu.FrameStart();
|
||
ppu.ScanlineNext();
|
||
mapper.HSync(scanline);
|
||
EmulationCPU(FETCH_CYCLES * 32);
|
||
ppu.ScanlineStart();
|
||
EmulationCPU(FETCH_CYCLES * 10 + nescfg.ScanlineEndCycles);
|
||
}
|
||
}
|
||
else if (scanline < 240)
|
||
{
|
||
if (RenderMethod < EnumRenderMethod.POST_RENDER)
|
||
{
|
||
if (RenderMethod == EnumRenderMethod.POST_ALL_RENDER)
|
||
EmulationCPU(nescfg.ScanlineCycles);
|
||
if (bDraw)
|
||
{
|
||
ppu.Scanline(scanline, Supporter.Config.graphics.bAllSprite, Supporter.Config.graphics.bLeftClip);
|
||
}
|
||
else
|
||
{
|
||
if (pad.IsZapperMode() && scanline == ZapperY)
|
||
{
|
||
ppu.Scanline(scanline, Supporter.Config.graphics.bAllSprite, Supporter.Config.graphics.bLeftClip);
|
||
}
|
||
else
|
||
{
|
||
if (!ppu.IsSprite0(scanline))
|
||
{
|
||
ppu.DummyScanline(scanline);
|
||
}
|
||
else
|
||
{
|
||
ppu.Scanline(scanline, Supporter.Config.graphics.bAllSprite, Supporter.Config.graphics.bLeftClip);
|
||
}
|
||
}
|
||
}
|
||
ppu.ScanlineNext(); // <20><><EFBFBD><EFBFBD><EFBFBD>̈ʒu<CA92>Ń<EFBFBD><C583>X<EFBFBD>^<5E>[<5B>n<EFBFBD>͉<EFBFBD><CD89>ʂ<EFBFBD><CA82>Ⴄ
|
||
if (RenderMethod == EnumRenderMethod.PRE_ALL_RENDER)
|
||
EmulationCPU(nescfg.ScanlineCycles);
|
||
|
||
mapper.HSync(scanline);
|
||
ppu.ScanlineStart();
|
||
}
|
||
else
|
||
{
|
||
if (RenderMethod == EnumRenderMethod.POST_RENDER)
|
||
EmulationCPU(nescfg.HDrawCycles);
|
||
if (bDraw)
|
||
{
|
||
ppu.Scanline(scanline, Supporter.Config.graphics.bAllSprite, Supporter.Config.graphics.bLeftClip);
|
||
}
|
||
else
|
||
{
|
||
if (pad.IsZapperMode() && scanline == ZapperY)
|
||
{
|
||
ppu.Scanline(scanline, Supporter.Config.graphics.bAllSprite, Supporter.Config.graphics.bLeftClip);
|
||
}
|
||
else
|
||
{
|
||
if (!ppu.IsSprite0(scanline))
|
||
{
|
||
ppu.DummyScanline(scanline);
|
||
}
|
||
else
|
||
{
|
||
ppu.Scanline(scanline, Supporter.Config.graphics.bAllSprite, Supporter.Config.graphics.bLeftClip);
|
||
}
|
||
}
|
||
}
|
||
if (RenderMethod == EnumRenderMethod.PRE_RENDER)
|
||
EmulationCPU(nescfg.HDrawCycles);
|
||
ppu.ScanlineNext();
|
||
mapper.HSync(scanline);
|
||
EmulationCPU(FETCH_CYCLES * 32);
|
||
ppu.ScanlineStart();
|
||
EmulationCPU(FETCH_CYCLES * 10 + nescfg.ScanlineEndCycles);
|
||
}
|
||
}
|
||
else if (scanline == 240)
|
||
{
|
||
mapper.VSync();
|
||
if (RenderMethod < EnumRenderMethod.POST_RENDER)
|
||
{
|
||
EmulationCPU(nescfg.ScanlineCycles);
|
||
mapper.HSync(scanline);
|
||
}
|
||
else
|
||
{
|
||
EmulationCPU(nescfg.HDrawCycles);
|
||
mapper.HSync(scanline);
|
||
EmulationCPU(nescfg.HBlankCycles);
|
||
}
|
||
}
|
||
else if (scanline <= nescfg.TotalScanlines - 1)
|
||
{
|
||
pad.VSync();
|
||
|
||
// VBLANK<4E><4B><EFBFBD><EFBFBD>
|
||
if (scanline == nescfg.TotalScanlines - 1)
|
||
{
|
||
ppu.VBlankEnd();
|
||
}
|
||
if (RenderMethod < EnumRenderMethod.POST_RENDER)
|
||
{
|
||
if (scanline == 241)
|
||
{
|
||
ppu.VBlankStart();
|
||
if ((MMU.PPUREG[0] & PPU.PPU_VBLANK_BIT) != 0)
|
||
{
|
||
cpu.NMI();
|
||
}
|
||
}
|
||
EmulationCPU(nescfg.ScanlineCycles);
|
||
mapper.HSync(scanline);
|
||
}
|
||
else
|
||
{
|
||
if (scanline == 241)
|
||
{
|
||
ppu.VBlankStart();
|
||
if ((MMU.PPUREG[0] & PPU.PPU_VBLANK_BIT) != 0)
|
||
{
|
||
cpu.NMI();
|
||
}
|
||
}
|
||
EmulationCPU(nescfg.HDrawCycles);
|
||
mapper.HSync(scanline);
|
||
EmulationCPU(nescfg.HBlankCycles);
|
||
}
|
||
|
||
if (scanline == nescfg.TotalScanlines - 1)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
if (pad.IsZapperMode())
|
||
{
|
||
if (scanline == ZapperY)
|
||
bZapper = true;
|
||
else
|
||
bZapper = false;
|
||
}
|
||
|
||
scanline++;
|
||
NES_scanline = scanline;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
bZapper = false;
|
||
while (true)
|
||
{
|
||
ppu.SetRenderScanline(scanline);
|
||
|
||
if (scanline == 0)
|
||
{
|
||
// <20>_<EFBFBD>~<7E>[<5B>X<EFBFBD>L<EFBFBD><4C><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>C<EFBFBD><43>
|
||
// H-Draw (4fetches*32)
|
||
EmulationCPU(FETCH_CYCLES * 128);
|
||
ppu.FrameStart();
|
||
ppu.ScanlineNext();
|
||
EmulationCPU(FETCH_CYCLES * 10);
|
||
mapper.HSync(scanline);
|
||
EmulationCPU(FETCH_CYCLES * 22);
|
||
ppu.ScanlineStart();
|
||
EmulationCPU(FETCH_CYCLES * 10 + nescfg.ScanlineEndCycles);
|
||
}
|
||
else if (scanline < 240)
|
||
{
|
||
// <20>X<EFBFBD>N<EFBFBD><4E><EFBFBD>[<5B><><EFBFBD>`<60><>(Scanline 1<>`239)
|
||
if (bDraw)
|
||
{
|
||
ppu.Scanline(scanline, Supporter.Config.graphics.bAllSprite, Supporter.Config.graphics.bLeftClip);
|
||
ppu.ScanlineNext();
|
||
EmulationCPU(FETCH_CYCLES * 10);
|
||
mapper.HSync(scanline);
|
||
EmulationCPU(FETCH_CYCLES * 22);
|
||
ppu.ScanlineStart();
|
||
EmulationCPU(FETCH_CYCLES * 10 + nescfg.ScanlineEndCycles);
|
||
}
|
||
else
|
||
{
|
||
if (pad.IsZapperMode() && scanline == ZapperY)
|
||
{
|
||
ppu.Scanline(scanline, Supporter.Config.graphics.bAllSprite, Supporter.Config.graphics.bLeftClip);
|
||
ppu.ScanlineNext();
|
||
EmulationCPU(FETCH_CYCLES * 10);
|
||
mapper.HSync(scanline);
|
||
EmulationCPU(FETCH_CYCLES * 22);
|
||
ppu.ScanlineStart();
|
||
EmulationCPU(FETCH_CYCLES * 10 + nescfg.ScanlineEndCycles);
|
||
}
|
||
else
|
||
{
|
||
if (!ppu.IsSprite0(scanline))
|
||
{
|
||
// H-Draw (4fetches*32)
|
||
EmulationCPU(FETCH_CYCLES * 128);
|
||
ppu.DummyScanline(scanline);
|
||
ppu.ScanlineNext();
|
||
EmulationCPU(FETCH_CYCLES * 10);
|
||
mapper.HSync(scanline);
|
||
EmulationCPU(FETCH_CYCLES * 22);
|
||
ppu.ScanlineStart();
|
||
EmulationCPU(FETCH_CYCLES * 10 + nescfg.ScanlineEndCycles);
|
||
}
|
||
else
|
||
{
|
||
ppu.Scanline(scanline, Supporter.Config.graphics.bAllSprite, Supporter.Config.graphics.bLeftClip);
|
||
ppu.ScanlineNext();
|
||
EmulationCPU(FETCH_CYCLES * 10);
|
||
mapper.HSync(scanline);
|
||
EmulationCPU(FETCH_CYCLES * 22);
|
||
ppu.ScanlineStart();
|
||
EmulationCPU(FETCH_CYCLES * 10 + nescfg.ScanlineEndCycles);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (scanline == 240)
|
||
{
|
||
// <20>_<EFBFBD>~<7E>[<5B>X<EFBFBD>L<EFBFBD><4C><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>C<EFBFBD><43> (Scanline 240)
|
||
mapper.VSync();
|
||
|
||
EmulationCPU(nescfg.HDrawCycles);
|
||
// H-Sync
|
||
mapper.HSync(scanline);
|
||
|
||
EmulationCPU(nescfg.HBlankCycles);
|
||
}
|
||
else if (scanline <= nescfg.TotalScanlines - 1)
|
||
{
|
||
pad.VSync();
|
||
|
||
// VBLANK<4E><4B><EFBFBD><EFBFBD>
|
||
if (scanline == nescfg.TotalScanlines - 1)
|
||
{
|
||
ppu.VBlankEnd();
|
||
}
|
||
if (scanline == 241)
|
||
{
|
||
ppu.VBlankStart();
|
||
if ((MMU.PPUREG[0] & PPU.PPU_VBLANK_BIT) != 0)
|
||
{
|
||
cpu.NMI();
|
||
}
|
||
}
|
||
EmulationCPU(nescfg.HDrawCycles);
|
||
|
||
// H-Sync
|
||
mapper.HSync(scanline);
|
||
|
||
EmulationCPU(nescfg.HBlankCycles);
|
||
|
||
if (scanline == nescfg.TotalScanlines - 1)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
if (pad.IsZapperMode())
|
||
{
|
||
if (scanline == ZapperY)
|
||
bZapper = true;
|
||
else
|
||
bZapper = false;
|
||
}
|
||
|
||
scanline++;
|
||
NES_scanline = scanline;
|
||
}
|
||
}
|
||
|
||
if (bDraw)
|
||
{
|
||
DrawPad();
|
||
}
|
||
}
|
||
|
||
private void DrawPad()
|
||
{
|
||
if (m_bMoviePlay)
|
||
{
|
||
int offset_h = 12;
|
||
int offset_v = Supporter.Config.graphics.bAllLine ? (240 - 18) : (240 - 22);
|
||
|
||
if (Supporter.Config.movie.bPadDisplay)
|
||
{
|
||
uint dwData = pad.GetSyncData();
|
||
for (int i = 0; i < 4; i++)
|
||
{
|
||
byte Data = (byte)(dwData >> (i * 8));
|
||
if ((m_MovieControl & (1 << i)) != 0)
|
||
{
|
||
DrawBitmap(offset_h, offset_v, m_PadImg);
|
||
|
||
// KEY
|
||
if ((Data & (1 << 4)) != 0) DrawBitmap(offset_h + 3, offset_v + 1, m_KeyImg0); // U
|
||
if ((Data & (1 << 5)) != 0) DrawBitmap(offset_h + 3, offset_v + 5, m_KeyImg0); // D
|
||
if ((Data & (1 << 6)) != 0) DrawBitmap(offset_h + 1, offset_v + 3, m_KeyImg0); // L
|
||
if ((Data & (1 << 7)) != 0) DrawBitmap(offset_h + 5, offset_v + 3, m_KeyImg0); // R
|
||
|
||
// START,SELECT
|
||
if ((Data & (1 << 2)) != 0) DrawBitmap(offset_h + 9, offset_v + 5, m_KeyImg1); // SELECT
|
||
if ((Data & (1 << 3)) != 0) DrawBitmap(offset_h + 13, offset_v + 5, m_KeyImg1); // START
|
||
|
||
// A,B
|
||
if ((Data & (1 << 0)) != 0) DrawBitmap(offset_h + 23, offset_v + 3, m_KeyImg2); // A
|
||
if ((Data & (1 << 1)) != 0) DrawBitmap(offset_h + 18, offset_v + 3, m_KeyImg2); // B
|
||
|
||
offset_h += 30;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (Supporter.Config.movie.bTimeDisplay)
|
||
{
|
||
// Time display
|
||
int t = m_MovieStep;
|
||
int h = t / 216000;
|
||
t -= h * 216000;
|
||
int m = t / 3600;
|
||
t -= m * 3600;
|
||
int s = t / 60;
|
||
t -= s * 60;
|
||
|
||
string szTemp = $"{h:00}:{m:00}:{s:00}.{t * 100 / 60:00}";
|
||
DrawString(256 - 80 + 0, offset_v - 1, szTemp, 0x1F);
|
||
DrawString(256 - 80 + 0, offset_v + 1, szTemp, 0x1F);
|
||
DrawString(256 - 80 - 1, offset_v + 0, szTemp, 0x1F);
|
||
DrawString(256 - 80 + 1, offset_v + 0, szTemp, 0x1F);
|
||
DrawString(256 - 80, offset_v, szTemp, 0x30);
|
||
}
|
||
}
|
||
}
|
||
|
||
internal void DrawString(int x, int y, string str, byte col)
|
||
{
|
||
foreach (var @char in str)
|
||
{
|
||
DrawFont(x, y, (byte)@char, col);
|
||
x += 6;
|
||
}
|
||
}
|
||
|
||
internal void DrawFont(int x, int y, byte chr, byte col)
|
||
{
|
||
int i;
|
||
int pFnt;
|
||
int pPtr;
|
||
var Scn = ppu.GetScreenPtr();
|
||
int pScn = 8;
|
||
|
||
|
||
if (chr < 0x20 || chr > 0x7F)
|
||
return;
|
||
chr -= 0x20;
|
||
pFnt = chr * 8;
|
||
pPtr = pScn + (256 + 16) * y + x;
|
||
for (i = 0; i < 8; i++)
|
||
{
|
||
if ((Font6x8[pFnt + i] & 0x80) != 0) Scn[pPtr + 0] = col;
|
||
if ((Font6x8[pFnt + i] & 0x40) != 0) Scn[pPtr + 1] = col;
|
||
if ((Font6x8[pFnt + i] & 0x20) != 0) Scn[pPtr + 2] = col;
|
||
if ((Font6x8[pFnt + i] & 0x10) != 0) Scn[pPtr + 3] = col;
|
||
if ((Font6x8[pFnt + i] & 0x08) != 0) Scn[pPtr + 4] = col;
|
||
if ((Font6x8[pFnt + i] & 0x04) != 0) Scn[pPtr + 5] = col;
|
||
pPtr += (256 + 16);
|
||
}
|
||
}
|
||
|
||
private void DrawBitmap(int x, int y, byte[] bitMap)
|
||
{
|
||
int i, j;
|
||
int h, v;
|
||
var Scn = ppu.GetScreenPtr();
|
||
int pScn = 8 + (256 + 16) * y + x;
|
||
int pPtr;
|
||
|
||
int lpBitmap = 0;
|
||
h = bitMap[lpBitmap++];
|
||
v = bitMap[lpBitmap++];
|
||
|
||
for (j = 0; j < v; j++)
|
||
{
|
||
pPtr = pScn;
|
||
for (i = 0; i < h; i++)
|
||
{
|
||
if (bitMap[lpBitmap] != 0xFF)
|
||
{
|
||
Scn[pPtr] = bitMap[lpBitmap];
|
||
}
|
||
lpBitmap++;
|
||
pPtr++;
|
||
}
|
||
pScn += 256 + 16;
|
||
}
|
||
}
|
||
|
||
int CPU_CALL_COUNT = 0;
|
||
internal void EmulationCPU(int basecycles)
|
||
{
|
||
int cycles;
|
||
|
||
base_cycles += basecycles;
|
||
cycles = (int)((base_cycles / 12) - emul_cycles);
|
||
|
||
if (cycles > 0)
|
||
{
|
||
var cycleAdd = cpu.EXEC(cycles);
|
||
emul_cycles += cycleAdd;
|
||
}
|
||
|
||
CPU_CALL_COUNT++;
|
||
}
|
||
|
||
internal void Reset()
|
||
{
|
||
SaveSRAM();
|
||
SaveDISK();
|
||
SaveTurboFile();
|
||
|
||
// RAM Clear
|
||
MemoryUtility.ZEROMEMORY(MMU.RAM, MMU.RAM.Length);
|
||
if (rom.GetPROM_CRC() == 0x29401686)
|
||
{ // Minna no Taabou no Nakayoshi Dai Sakusen(J)
|
||
MemoryUtility.memset(MMU.RAM, 0xFF, MMU.RAM.Length);
|
||
}
|
||
|
||
// RAM set
|
||
if (!rom.IsSAVERAM() && rom.GetMapperNo() != 20)
|
||
{
|
||
MemoryUtility.memset(MMU.WRAM, 0xFF, MMU.WRAM.Length);
|
||
}
|
||
|
||
MemoryUtility.ZEROMEMORY(MMU.CRAM, MMU.CRAM.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.VRAM, MMU.VRAM.Length);
|
||
|
||
MemoryUtility.ZEROMEMORY(MMU.SPRAM, MMU.SPRAM.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.BGPAL, MMU.BGPAL.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.SPPAL, MMU.SPPAL.Length);
|
||
|
||
MemoryUtility.ZEROMEMORY(MMU.CPUREG, MMU.CPUREG.Length);
|
||
MemoryUtility.ZEROMEMORY(MMU.PPUREG, MMU.PPUREG.Length);
|
||
|
||
m_bDiskThrottle = false;
|
||
|
||
SetRenderMethod(EnumRenderMethod.PRE_RENDER);
|
||
|
||
if (rom.IsPAL())
|
||
{
|
||
SetVideoMode(true);
|
||
}
|
||
|
||
MMU.PROM = rom.GetPROM();
|
||
MMU.VROM = rom.GetVROM();
|
||
|
||
MMU.PROM_8K_SIZE = rom.GetPROM_SIZE() * 2;
|
||
MMU.PROM_16K_SIZE = rom.GetPROM_SIZE();
|
||
MMU.PROM_32K_SIZE = rom.GetPROM_SIZE() / 2;
|
||
|
||
MMU.VROM_1K_SIZE = rom.GetVROM_SIZE() * 8;
|
||
MMU.VROM_2K_SIZE = rom.GetVROM_SIZE() * 4;
|
||
MMU.VROM_4K_SIZE = rom.GetVROM_SIZE() * 2;
|
||
MMU.VROM_8K_SIZE = rom.GetVROM_SIZE();
|
||
|
||
// <20>f<EFBFBD>t<EFBFBD>H<EFBFBD><48><EFBFBD>g<EFBFBD>o<EFBFBD><6F><EFBFBD>N
|
||
if (MMU.VROM_8K_SIZE != 0)
|
||
{
|
||
MMU.SetVROM_8K_Bank(0);
|
||
}
|
||
else
|
||
{
|
||
MMU.SetCRAM_8K_Bank(0);
|
||
}
|
||
|
||
// <20>~<7E><><EFBFBD>[
|
||
if (rom.Is4SCREEN())
|
||
{
|
||
MMU.SetVRAM_Mirror(MMU.VRAM_MIRROR4);
|
||
}
|
||
else if (rom.IsVMIRROR())
|
||
{
|
||
MMU.SetVRAM_Mirror(MMU.VRAM_VMIRROR);
|
||
}
|
||
else
|
||
{
|
||
MMU.SetVRAM_Mirror(MMU.VRAM_HMIRROR);
|
||
}
|
||
|
||
apu.SelectExSound(0);
|
||
|
||
ppu.Reset();
|
||
mapper.Reset();
|
||
|
||
// Trainer
|
||
if (rom.IsTRAINER())
|
||
{
|
||
Array.Copy(rom.GetTRAINER(), 0, MMU.WRAM, 0x1000, 512);
|
||
}
|
||
|
||
pad.Reset();
|
||
cpu.Reset();
|
||
apu.Reset();
|
||
|
||
if (rom.IsNSF())
|
||
{
|
||
mapper.Reset();
|
||
}
|
||
|
||
base_cycles = emul_cycles = 0;
|
||
}
|
||
|
||
internal void SetVideoMode(bool bMode)
|
||
{
|
||
bVideoMode = bMode;
|
||
if (!bVideoMode)
|
||
{
|
||
nescfg = NesConfig.NESCONFIG_NTSC;
|
||
}
|
||
else
|
||
{
|
||
nescfg = NesConfig.NESCONFIG_PAL;
|
||
}
|
||
apu.SoundSetup();
|
||
}
|
||
|
||
|
||
|
||
internal void SoftReset()
|
||
{
|
||
pad.Reset();
|
||
cpu.Reset();
|
||
apu.Reset();
|
||
|
||
if (rom.IsNSF())
|
||
{
|
||
mapper.Reset();
|
||
}
|
||
|
||
m_bDiskThrottle = false;
|
||
|
||
base_cycles = emul_cycles = 0;
|
||
}
|
||
|
||
internal void EmulateNSF()
|
||
{
|
||
R6502 reg = null;
|
||
|
||
ppu.Reset();
|
||
mapper.VSync();
|
||
|
||
//DEBUGOUT( "Frame\n" );
|
||
|
||
if (m_bNsfPlaying)
|
||
{
|
||
if (m_bNsfInit)
|
||
{
|
||
MemoryUtility.ZEROMEMORY(MMU.RAM, MMU.RAM.Length);
|
||
if ((rom.GetNsfHeader().ExtraChipSelect & 0x04) == 0)
|
||
{
|
||
MemoryUtility.ZEROMEMORY(MMU.RAM, 0x2000);
|
||
}
|
||
|
||
apu.Reset();
|
||
apu.Write(0x4015, 0x0F);
|
||
apu.Write(0x4017, 0xC0);
|
||
apu.ExWrite(0x4080, 0x80); // FDS Volume 0
|
||
apu.ExWrite(0x408A, 0xE8); // FDS Envelope Speed
|
||
|
||
cpu.GetContext(ref reg);
|
||
reg.PC = 0x4710; // Init Address
|
||
reg.A = (byte)m_nNsfSongNo;
|
||
reg.X = (byte)m_nNsfSongMode;
|
||
reg.Y = 0;
|
||
reg.S = 0xFF;
|
||
reg.P = CPU.Z_FLAG | CPU.R_FLAG | CPU.I_FLAG;
|
||
|
||
// <20><><EFBFBD>S<EFBFBD><EFBFBD><CE8D><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˂Ă<CB82><C482><EFBFBD><EFBFBD>ă<EFBFBD><C483>[<5B>v<EFBFBD><76>(1<>b<EFBFBD><62>)
|
||
for (int i = 0; i < nescfg.TotalScanlines * 60; i++)
|
||
{
|
||
EmulationCPU(nescfg.ScanlineCycles);
|
||
cpu.GetContext(ref reg);
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>[<5B>v<EFBFBD>ɓ<EFBFBD><C993><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƃ<EFBFBD><C682>m<EFBFBD>F<EFBFBD><46><EFBFBD><EFBFBD><EFBFBD>甲<EFBFBD><E794B2><EFBFBD><EFBFBD>
|
||
if (reg.PC == 0x4700)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
m_bNsfInit = false;
|
||
}
|
||
|
||
cpu.GetContext(ref reg);
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>[<5B>v<EFBFBD>ɓ<EFBFBD><C993><EFBFBD><EFBFBD>Ă<EFBFBD><C482><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Đݒ肷<DD92><E882B7>
|
||
if (reg.PC == 0x4700)
|
||
{
|
||
reg.PC = 0x4720; // Play Address
|
||
reg.A = 0;
|
||
reg.S = 0xFF;
|
||
}
|
||
|
||
for (int i = 0; i < nescfg.TotalScanlines; i++)
|
||
{
|
||
EmulationCPU(nescfg.ScanlineCycles);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
cpu.GetContext(ref reg);
|
||
reg.PC = 0x4700; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>[<5B>v
|
||
reg.S = 0xFF;
|
||
|
||
EmulationCPU(nescfg.ScanlineCycles * nescfg.TotalScanlines);
|
||
}
|
||
}
|
||
|
||
internal void CheatCodeProcess()
|
||
{
|
||
foreach (var it in m_CheatCode)
|
||
{
|
||
if ((it.enable & CHEATCODE.CHEAT_ENABLE) == 0)
|
||
continue;
|
||
|
||
switch (it.type)
|
||
{
|
||
case CHEATCODE.CHEAT_TYPE_ALWAYS:
|
||
CheatWrite(it.length, it.address, it.data);
|
||
break;
|
||
case CHEATCODE.CHEAT_TYPE_ONCE:
|
||
CheatWrite(it.length, it.address, it.data);
|
||
it.enable = 0;
|
||
break;
|
||
case CHEATCODE.CHEAT_TYPE_GREATER:
|
||
if (CheatRead(it.length, it.address) > it.data)
|
||
{
|
||
CheatWrite(it.length, it.address, it.data);
|
||
}
|
||
break;
|
||
case CHEATCODE.CHEAT_TYPE_LESS:
|
||
if (CheatRead(it.length, it.address) < it.data)
|
||
{
|
||
CheatWrite(it.length, it.address, it.data);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
private uint CheatRead(byte length, ushort addr)
|
||
{
|
||
uint data = 0;
|
||
for (int i = 0; i <= length; i++)
|
||
{
|
||
data |= (uint)(Read((ushort)(addr + i)) * (1 << (i * 8)));
|
||
}
|
||
|
||
return data;
|
||
}
|
||
|
||
private void CheatWrite(int length, ushort addr, uint data)
|
||
{
|
||
for (int i = 0; i <= length; i++)
|
||
{
|
||
Write((ushort)(addr + i), (byte)(data & 0xFF));
|
||
data >>= 8;
|
||
}
|
||
}
|
||
|
||
public void Dispose()
|
||
{
|
||
cpu?.Dispose();
|
||
ppu?.Dispose();
|
||
apu?.Dispose();
|
||
pad?.Dispose();
|
||
rom?.Dispose();
|
||
}
|
||
|
||
private void SaveSRAM()
|
||
{
|
||
int i;
|
||
if (rom.IsNSF()) return;
|
||
if (rom.IsSAVERAM()) return;
|
||
|
||
for (i = 0; i < SAVERAM_SIZE; i++)
|
||
{
|
||
if (MMU.WRAM[i] != 0x00)
|
||
break;
|
||
}
|
||
|
||
if (i < SAVERAM_SIZE)
|
||
{
|
||
var romName = rom.GetRomName();
|
||
|
||
Debuger.Log($"Saving SAVERAM...[{romName}]");
|
||
|
||
Supporter.SaveSRAMToFile(MMU.WRAM, romName);
|
||
}
|
||
}
|
||
|
||
private void SaveDISK()
|
||
{
|
||
if (rom.GetMapperNo() != 20)
|
||
return;
|
||
|
||
int i = 0;
|
||
Stream fp = null;
|
||
DISKFILEHDR ifh;
|
||
byte[] lpDisk = rom.GetPROM();
|
||
byte[] lpWrite = rom.GetDISK();
|
||
long DiskSize = 16 + 65500 * rom.GetDiskNo();
|
||
ulong data;
|
||
|
||
try
|
||
{
|
||
ifh = new DISKFILEHDR();
|
||
ifh.ID = ASCIIEncoding.ASCII.GetBytes("VirtuaNES DI");
|
||
ifh.BlockVersion = 0x0210;
|
||
ifh.ProgID = rom.GetGameID();
|
||
ifh.MakerID = (ushort)rom.GetMakerID();
|
||
ifh.DiskNo = (ushort)rom.GetDiskNo();
|
||
|
||
for (i = 16; i < DiskSize; i++)
|
||
{
|
||
if (lpWrite[i] > 0)
|
||
ifh.DifferentSize++;
|
||
}
|
||
|
||
if (ifh.DifferentSize == 0)
|
||
return;
|
||
|
||
List<byte> contents = new List<byte>();
|
||
contents.AddRange(ifh.ToBytes());
|
||
|
||
for (i = 16; i < DiskSize; i++)
|
||
{
|
||
if (lpWrite[i] > 0)
|
||
{
|
||
data = (ulong)(i & 0x00FFFFFF);
|
||
data |= ((ulong)lpDisk[i] & 0xFF) << 24;
|
||
contents.AddRange(BitConverter.GetBytes(data));
|
||
}
|
||
}
|
||
|
||
Supporter.SaveDISKToFile(contents.ToArray(), rom.GetRomName());
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
Debuger.LogError(ex.ToString());
|
||
}
|
||
}
|
||
|
||
private void SaveTurboFile()
|
||
{
|
||
int i;
|
||
|
||
if (pad.GetExController() != (int)EXCONTROLLER.EXCONTROLLER_TURBOFILE)
|
||
return;
|
||
|
||
for (i = 0; i < MMU.ERAM.Length; i++)
|
||
{
|
||
if (MMU.ERAM[i] != 0x00)
|
||
break;
|
||
}
|
||
|
||
if (i < MMU.ERAM.Length)
|
||
{
|
||
Debuger.Log("Saving TURBOFILE...");
|
||
|
||
Supporter.SaveFile(MMU.ERAM, Supporter.Config.path.szSavePath, "TurboFile.vtf");
|
||
}
|
||
}
|
||
|
||
internal void Clock(int cycles)
|
||
{
|
||
Tape(cycles);
|
||
Barcode(cycles);
|
||
}
|
||
|
||
private void Barcode(int cycles)
|
||
{
|
||
if (m_bBarcode)
|
||
{
|
||
m_BarcodeCycles += cycles;
|
||
if (m_BarcodeCycles > 1000)
|
||
{
|
||
m_BarcodeCycles = 0;
|
||
// <20><><EFBFBD>~<7E>H
|
||
if (m_BarcodeData[m_BarcodePtr] != 0xFF)
|
||
{
|
||
m_BarcodeOut = m_BarcodeData[m_BarcodePtr++];
|
||
}
|
||
else
|
||
{
|
||
m_bBarcode = false;
|
||
m_BarcodeOut = 0;
|
||
Debuger.Log("Barcode data trasnfer complete!!");
|
||
|
||
if (!(IsTapePlay() || IsTapeRec()))
|
||
{
|
||
cpu.SetClockProcess(false);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
public bool IsTapeRec()
|
||
{
|
||
return m_bTapeRec;
|
||
}
|
||
|
||
public bool IsTapePlay()
|
||
{
|
||
return m_bTapePlay;
|
||
}
|
||
|
||
internal void Tape(int cycles)
|
||
{
|
||
if (!(IsTapePlay() || IsTapeRec()))
|
||
{
|
||
return;
|
||
}
|
||
|
||
if ((m_TapeCycles -= (double)cycles) > 0)
|
||
return;
|
||
|
||
m_TapeCycles += (nescfg.CpuClock / 32000.0);
|
||
// m_TapeCycles += (nescfg->CpuClock / 22050.0); // <20>x<EFBFBD><78><EFBFBD><EFBFBD><EFBFBD>ă_<C483><5F><EFBFBD><EFBFBD><EFBFBD>ۂ<EFBFBD>
|
||
|
||
if (m_bTapePlay)
|
||
{
|
||
int data = m_fpTape.ReadByte();
|
||
if (data != -1) //EOF
|
||
{
|
||
if ((data & 0xFF) >= 0x8C)
|
||
{
|
||
m_TapeOut = 0x02;
|
||
}
|
||
else
|
||
if ((data & 0xFF) <= 0x74)
|
||
{
|
||
m_TapeOut = 0x00;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
TapeStop();
|
||
}
|
||
}
|
||
if (m_bTapeRec)
|
||
{
|
||
m_fpTape.WriteByte((m_TapeIn & 7) == 7 ? (byte)0x90 : (byte)0x70);
|
||
}
|
||
}
|
||
|
||
private void TapeStop()
|
||
{
|
||
if (!m_bBarcode)
|
||
{
|
||
cpu.SetClockProcess(false);
|
||
}
|
||
|
||
m_bTapePlay = m_bTapeRec = false;
|
||
m_fpTape?.Dispose();
|
||
m_fpTape = null;
|
||
}
|
||
|
||
internal byte Read(ushort addr)
|
||
{
|
||
switch (addr >> 13)
|
||
{
|
||
case 0x00: // $0000-$1FFF
|
||
return MMU.RAM[addr & 0x07FF];
|
||
case 0x01: // $2000-$3FFF
|
||
return ppu.Read((ushort)(addr & 0xE007));
|
||
case 0x02: // $4000-$5FFF
|
||
if (addr < 0x4100)
|
||
{
|
||
return ReadReg(addr);
|
||
}
|
||
else
|
||
{
|
||
return mapper.ReadLow(addr);
|
||
}
|
||
case 0x03: // $6000-$7FFF
|
||
return mapper.ReadLow(addr);
|
||
case 0x04: // $8000-$9FFF
|
||
case 0x05: // $A000-$BFFF
|
||
case 0x06: // $C000-$DFFF
|
||
case 0x07: // $E000-$FFFF
|
||
return MMU.CPU_MEM_BANK[addr >> 13][addr & 0x1FFF];
|
||
}
|
||
|
||
return 0x00; // Warning<6E>\<5C>h
|
||
}
|
||
|
||
private byte ReadReg(ushort addr)
|
||
{
|
||
switch (addr & 0xFF)
|
||
{
|
||
case 0x00:
|
||
case 0x01:
|
||
case 0x02:
|
||
case 0x03:
|
||
case 0x04:
|
||
case 0x05:
|
||
case 0x06:
|
||
case 0x07:
|
||
case 0x08:
|
||
case 0x09:
|
||
case 0x0A:
|
||
case 0x0B:
|
||
case 0x0C:
|
||
case 0x0D:
|
||
case 0x0E:
|
||
case 0x0F:
|
||
case 0x10:
|
||
case 0x11:
|
||
case 0x12:
|
||
case 0x13:
|
||
return apu.Read(addr);
|
||
case 0x15:
|
||
return apu.Read(addr);
|
||
case 0x14:
|
||
return (byte)(addr & 0xFF);
|
||
case 0x16:
|
||
if (rom.IsVSUNISYSTEM())
|
||
{
|
||
return pad.Read(addr);
|
||
}
|
||
else
|
||
{
|
||
return (byte)(pad.Read(addr) | 0x40 | m_TapeOut);
|
||
}
|
||
case 0x17:
|
||
if (rom.IsVSUNISYSTEM())
|
||
{
|
||
return pad.Read(addr);
|
||
}
|
||
else
|
||
{
|
||
return (byte)(pad.Read(addr) | apu.Read(addr));
|
||
}
|
||
default:
|
||
return mapper.ExRead(addr);
|
||
}
|
||
}
|
||
|
||
internal byte Barcode2()
|
||
{
|
||
byte ret = 0x00;
|
||
|
||
if (!m_bBarcode2 || m_Barcode2seq < 0)
|
||
return ret;
|
||
|
||
switch (m_Barcode2seq)
|
||
{
|
||
case 0:
|
||
m_Barcode2seq++;
|
||
m_Barcode2ptr = 0;
|
||
ret = 0x04; // d3
|
||
break;
|
||
|
||
case 1:
|
||
m_Barcode2seq++;
|
||
m_Barcode2bit = m_Barcode2data[m_Barcode2ptr];
|
||
m_Barcode2cnt = 0;
|
||
ret = 0x04; // d3
|
||
break;
|
||
|
||
case 2:
|
||
ret = (byte)((m_Barcode2bit & 0x01) != 0 ? 0x00 : 0x04); // Bit rev.
|
||
m_Barcode2bit >>= 1;
|
||
if (++m_Barcode2cnt > 7)
|
||
{
|
||
m_Barcode2seq++;
|
||
}
|
||
break;
|
||
case 3:
|
||
if (++m_Barcode2ptr > 19)
|
||
{
|
||
m_bBarcode2 = false;
|
||
m_Barcode2seq = -1;
|
||
}
|
||
else
|
||
{
|
||
m_Barcode2seq = 1;
|
||
}
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
public void SetRenderMethod(EnumRenderMethod type)
|
||
{
|
||
RenderMethod = type;
|
||
}
|
||
internal void Write(ushort addr, byte data)
|
||
{
|
||
switch (addr >> 13)
|
||
{
|
||
case 0x00: // $0000-$1FFF
|
||
MMU.RAM[addr & 0x07FF] = data;
|
||
break;
|
||
case 0x01: // $2000-$3FFF
|
||
if (!rom.IsNSF())
|
||
{
|
||
ppu.Write((ushort)(addr & 0xE007), data);
|
||
}
|
||
break;
|
||
case 0x02: // $4000-$5FFF
|
||
if (addr < 0x4100)
|
||
{
|
||
WriteReg(addr, data);
|
||
}
|
||
else
|
||
{
|
||
mapper.WriteLow(addr, data);
|
||
}
|
||
break;
|
||
case 0x03: // $6000-$7FFF
|
||
mapper.WriteLow(addr, data);
|
||
break;
|
||
case 0x04: // $8000-$9FFF
|
||
case 0x05: // $A000-$BFFF
|
||
case 0x06: // $C000-$DFFF
|
||
case 0x07: // $E000-$FFFF
|
||
mapper.Write(addr, data);
|
||
|
||
GenieCodeProcess();
|
||
break;
|
||
}
|
||
}
|
||
|
||
private void GenieCodeProcess()
|
||
{
|
||
ushort addr;
|
||
|
||
for (int i = 0; i < m_GenieCode.Count; i++)
|
||
{
|
||
addr = m_GenieCode[i].address;
|
||
if ((addr & 0x8000) != 0)
|
||
{
|
||
// 8character codes
|
||
if (MMU.CPU_MEM_BANK[addr >> 13][addr & 0x1FFF] == m_GenieCode[i].cmp)
|
||
{
|
||
MMU.CPU_MEM_BANK[addr >> 13][addr & 0x1FFF] = m_GenieCode[i].data;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
// 6character codes
|
||
addr |= 0x8000;
|
||
MMU.CPU_MEM_BANK[addr >> 13][addr & 0x1FFF] = m_GenieCode[i].data;
|
||
}
|
||
}
|
||
}
|
||
|
||
private void WriteReg(ushort addr, byte data)
|
||
{
|
||
switch (addr & 0xFF)
|
||
{
|
||
case 0x00:
|
||
case 0x01:
|
||
case 0x02:
|
||
case 0x03:
|
||
case 0x04:
|
||
case 0x05:
|
||
case 0x06:
|
||
case 0x07:
|
||
case 0x08:
|
||
case 0x09:
|
||
case 0x0A:
|
||
case 0x0B:
|
||
case 0x0C:
|
||
case 0x0D:
|
||
case 0x0E:
|
||
case 0x0F:
|
||
case 0x10:
|
||
case 0x11:
|
||
case 0x12:
|
||
case 0x13:
|
||
case 0x15:
|
||
apu.Write(addr, data);
|
||
MMU.CPUREG[addr & 0xFF] = data;
|
||
break;
|
||
case 0x14:
|
||
ppu.DMA(data);
|
||
cpu.DMA(514); // DMA Pending cycle
|
||
MMU.CPUREG[addr & 0xFF] = data;
|
||
break;
|
||
case 0x16:
|
||
mapper.ExWrite(addr, data); // For VS-Unisystem
|
||
pad.Write(addr, data);
|
||
MMU.CPUREG[addr & 0xFF] = data;
|
||
m_TapeIn = data;
|
||
break;
|
||
case 0x17:
|
||
MMU.CPUREG[addr & 0xFF] = data;
|
||
pad.Write(addr, data);
|
||
apu.Write(addr, data);
|
||
break;
|
||
// VirtuaNES<45>ŗL<C597>|<7C>[<5B>g
|
||
case 0x18:
|
||
apu.Write(addr, data);
|
||
break;
|
||
default:
|
||
mapper.ExWrite(addr, data);
|
||
break;
|
||
}
|
||
}
|
||
|
||
internal bool GetVideoMode()
|
||
{
|
||
return bVideoMode;
|
||
}
|
||
|
||
internal void SetFrameIRQmode(bool bMode)
|
||
{
|
||
bFrameIRQ = bMode;
|
||
}
|
||
|
||
internal bool GetFrameIRQmode()
|
||
{
|
||
return bFrameIRQ;
|
||
}
|
||
|
||
internal EnumRenderMethod GetRenderMethod()
|
||
{
|
||
return RenderMethod;
|
||
}
|
||
|
||
internal void SetIrqType(IRQMETHOD nType)
|
||
{
|
||
nIRQtype = (int)nType;
|
||
}
|
||
|
||
internal int GetScanline()
|
||
{
|
||
return NES_scanline;
|
||
}
|
||
|
||
internal void SetSAVERAM_SIZE(int size)
|
||
{
|
||
SAVERAM_SIZE = size;
|
||
}
|
||
|
||
internal byte GetBarcodeStatus()
|
||
{
|
||
return m_BarcodeOut;
|
||
}
|
||
|
||
public enum IRQMETHOD
|
||
{
|
||
IRQ_HSYNC = 0, IRQ_CLOCK = 1
|
||
}
|
||
}
|
||
}
|