2011 lines
72 KiB
C#
2011 lines
72 KiB
C#
using System;
|
||
using System.Collections.Generic;
|
||
using System.IO;
|
||
using System.Text;
|
||
using VirtualNes.Core.Debug;
|
||
|
||
namespace VirtualNes.Core
|
||
{
|
||
public class NES
|
||
{
|
||
public const int FETCH_CYCLES = 8;
|
||
|
||
public CPU cpu;
|
||
public PPU ppu;
|
||
public APU apu;
|
||
public ROM rom;
|
||
public PAD pad;
|
||
public Mapper mapper;
|
||
public NesConfig nescfg;
|
||
|
||
private List<CHEATCODE> m_CheatCode = new List<CHEATCODE>();
|
||
private List<GENIECODE> m_GenieCode = new List<GENIECODE>();
|
||
private bool m_bDiskThrottle;
|
||
private int m_nSnapNo;
|
||
private bool m_bNsfPlaying;
|
||
private bool m_bNsfInit;
|
||
private int m_nNsfSongNo;
|
||
private int m_nNsfSongMode;
|
||
private bool m_bMoviePlay;
|
||
private bool m_bMovieRec;
|
||
private Stream m_fpMovie;
|
||
private uint m_MovieControl;
|
||
private int m_MovieStepTotal;
|
||
private int m_MovieStep;
|
||
private bool m_bTapePlay;
|
||
private bool m_bTapeRec;
|
||
private Stream m_fpTape;
|
||
private double m_TapeCycles;
|
||
private byte m_TapeIn;
|
||
private byte m_TapeOut;
|
||
|
||
// For Barcode
|
||
private bool m_bBarcode;
|
||
private byte m_BarcodeOut;
|
||
private byte m_BarcodePtr;
|
||
private int m_BarcodeCycles;
|
||
private byte[] m_BarcodeData = new byte[256];
|
||
|
||
// For Barcode
|
||
private bool m_bBarcode2;
|
||
private int m_Barcode2seq;
|
||
private int m_Barcode2ptr;
|
||
private int m_Barcode2cnt;
|
||
private byte m_Barcode2bit;
|
||
private byte[] m_Barcode2data = new byte[32];
|
||
|
||
private int m_TurboFileBank;
|
||
private int SAVERAM_SIZE;
|
||
private int nIRQtype;
|
||
private bool bFrameIRQ;
|
||
private bool bVideoMode;
|
||
private int NES_scanline;
|
||
private EnumRenderMethod RenderMethod;
|
||
private bool bZapper;
|
||
private int ZapperX;
|
||
private int ZapperY;
|
||
private long base_cycles;
|
||
private long emul_cycles;
|
||
|
||
// For VS-Unisystem
|
||
byte m_VSDipValue;
|
||
VSDIPSWITCH[] m_VSDipTable;
|
||
|
||
private byte[] m_PadImg = new byte[226]
|
||
{
|
||
28, 8,
|
||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00,
|
||
0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x00,
|
||
0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x00, 0x0F,
|
||
0x0F, 0x0F, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x00,
|
||
0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x00, 0x0F,
|
||
0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00,
|
||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
};
|
||
|
||
private byte[] m_KeyImg0 = new byte[6]
|
||
{
|
||
2, 2,
|
||
0x2A, 0x2A,
|
||
0x2A, 0x2A,
|
||
};
|
||
|
||
private byte[] m_KeyImg1 = new byte[8]
|
||
{
|
||
3, 3,
|
||
0x2A, 0x2A, 0x2A,
|
||
0x2A, 0x2A, 0x2A,
|
||
};
|
||
|
||
private byte[] m_KeyImg2 = new byte[18]
|
||
{
|
||
4, 4,
|
||
0xFF, 0x2A, 0x2A, 0xFF,
|
||
0x2A, 0x2A, 0x2A, 0x2A,
|
||
0x2A, 0x2A, 0x2A, 0x2A,
|
||
0xFF, 0x2A, 0x2A, 0xFF,
|
||
};
|
||
|
||
private byte[] Font6x8 = new byte[768]
|
||
{
|
||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x20,0x20,0x20,0x00,0x20,0x00,
|
||
0x50,0x50,0x00,0x00,0x00,0x00,0x00,0x00,0x50,0x50,0xF8,0x50,0xF8,0x50,0x50,0x00,
|
||
0x20,0x78,0xA0,0x70,0x28,0xF0,0x20,0x00,0x48,0xB0,0x50,0x20,0x50,0x68,0x90,0x00,
|
||
0x40,0xA0,0xA8,0x68,0x90,0x90,0x68,0x00,0x30,0x20,0x00,0x00,0x00,0x00,0x00,0x00,
|
||
0x10,0x20,0x40,0x40,0x40,0x20,0x10,0x00,0x40,0x20,0x10,0x10,0x10,0x20,0x40,0x00,
|
||
0x00,0x88,0x50,0x20,0x50,0x88,0x00,0x00,0x00,0x20,0x20,0xF8,0x20,0x20,0x00,0x00,
|
||
0x00,0x00,0x00,0x00,0x00,0x20,0x40,0x00,0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,
|
||
0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x08,0x10,0x10,0x20,0x40,0x40,0x80,0x00,
|
||
0x70,0x88,0x98,0xA8,0xC8,0x88,0x70,0x00,0x20,0x60,0x20,0x20,0x20,0x20,0xF8,0x00,
|
||
0x70,0x88,0x08,0x30,0x40,0x80,0xF8,0x00,0x70,0x88,0x08,0x30,0x08,0x88,0x70,0x00,
|
||
0x30,0x50,0x90,0x90,0xF8,0x10,0x10,0x00,0xF8,0x80,0x80,0xF0,0x08,0x08,0xF0,0x00,
|
||
0x70,0x88,0x80,0xF0,0x88,0x88,0x70,0x00,0xF8,0x08,0x10,0x10,0x20,0x20,0x20,0x00,
|
||
0x70,0x88,0x88,0x70,0x88,0x88,0x70,0x00,0x70,0x88,0x88,0x78,0x08,0x88,0x70,0x00,
|
||
0x00,0x20,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x20,0x40,0x00,
|
||
0x10,0x20,0x40,0x80,0x40,0x20,0x10,0x00,0x00,0x00,0xF8,0x00,0xF8,0x00,0x00,0x00,
|
||
0x40,0x20,0x10,0x08,0x10,0x20,0x40,0x00,0x70,0x88,0x08,0x10,0x20,0x00,0x20,0x00,
|
||
0x30,0x48,0x88,0x98,0xA8,0xA8,0x78,0x00,0x20,0x50,0x50,0x88,0xF8,0x88,0x88,0x00,
|
||
0xF0,0x88,0x88,0xF0,0x88,0x88,0xF0,0x00,0x70,0x88,0x80,0x80,0x80,0x88,0x70,0x00,
|
||
0xF0,0x88,0x88,0x88,0x88,0x88,0xF0,0x00,0xF8,0x80,0x80,0xF0,0x80,0x80,0xF8,0x00,
|
||
0xF8,0x80,0x80,0xF0,0x80,0x80,0x80,0x00,0x70,0x88,0x80,0xB8,0x88,0x88,0x70,0x00,
|
||
0x88,0x88,0x88,0xF8,0x88,0x88,0x88,0x00,0xF8,0x20,0x20,0x20,0x20,0x20,0xF8,0x00,
|
||
0x38,0x08,0x08,0x08,0x08,0x88,0x70,0x00,0x88,0x88,0x90,0xE0,0x90,0x88,0x88,0x00,
|
||
0x80,0x80,0x80,0x80,0x80,0x80,0xF8,0x00,0x88,0xD8,0xA8,0xA8,0xA8,0xA8,0xA8,0x00,
|
||
0x88,0xC8,0xA8,0xA8,0xA8,0x98,0x88,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x00,
|
||
0xF0,0x88,0x88,0xF0,0x80,0x80,0x80,0x00,0x70,0x88,0x88,0x88,0xA8,0x90,0x68,0x00,
|
||
0xF0,0x88,0x88,0xF0,0x88,0x88,0x88,0x00,0x70,0x88,0x80,0x70,0x08,0x88,0x70,0x00,
|
||
0xF8,0x20,0x20,0x20,0x20,0x20,0x20,0x00,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x00,
|
||
0x88,0x88,0x88,0x50,0x50,0x50,0x20,0x00,0x88,0xA8,0xA8,0xA8,0xA8,0xD8,0x88,0x00,
|
||
0x88,0x88,0x50,0x20,0x50,0x88,0x88,0x00,0x88,0x88,0x88,0x70,0x20,0x20,0x20,0x00,
|
||
0xF8,0x08,0x10,0x20,0x40,0x80,0xF8,0x00,0x70,0x40,0x40,0x40,0x40,0x40,0x70,0x00,
|
||
0x88,0x50,0xF8,0x20,0xF8,0x20,0x20,0x00,0x70,0x10,0x10,0x10,0x10,0x10,0x70,0x00,
|
||
0x20,0x50,0x88,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF8,0x00,
|
||
0x80,0xC0,0xE0,0xF0,0xE0,0xC0,0x80,0x00,0x00,0x00,0x70,0x08,0x78,0x88,0xF8,0x00,
|
||
0x80,0x80,0x80,0xF0,0x88,0x88,0xF0,0x00,0x00,0x00,0x78,0x80,0x80,0x80,0x78,0x00,
|
||
0x08,0x08,0x08,0x78,0x88,0x88,0x78,0x00,0x00,0x00,0x70,0x88,0xF8,0x80,0x78,0x00,
|
||
0x18,0x20,0xF8,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0x78,0x88,0x78,0x08,0xF0,0x00,
|
||
0x80,0x80,0x80,0xF0,0x88,0x88,0x88,0x00,0x20,0x00,0x20,0x20,0x20,0x20,0x20,0x00,
|
||
0x20,0x00,0x20,0x20,0x20,0x20,0xC0,0x00,0x80,0x80,0x88,0x90,0xE0,0x90,0x88,0x00,
|
||
0x20,0x20,0x20,0x20,0x20,0x20,0x30,0x00,0x00,0x00,0xF0,0xA8,0xA8,0xA8,0xA8,0x00,
|
||
0x00,0x00,0xF0,0x88,0x88,0x88,0x88,0x00,0x00,0x00,0x70,0x88,0x88,0x88,0x70,0x00,
|
||
0x00,0x00,0xF0,0x88,0xF0,0x80,0x80,0x00,0x00,0x00,0x78,0x88,0x78,0x08,0x08,0x00,
|
||
0x00,0x00,0xB8,0xC0,0x80,0x80,0x80,0x00,0x00,0x00,0x78,0x80,0x70,0x08,0xF0,0x00,
|
||
0x20,0x20,0xF8,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0x88,0x88,0x88,0x88,0x70,0x00,
|
||
0x00,0x00,0x88,0x88,0x50,0x50,0x20,0x00,0x00,0x00,0x88,0xA8,0xA8,0xD8,0x88,0x00,
|
||
0x00,0x00,0x88,0x50,0x20,0x50,0x88,0x00,0x00,0x00,0x88,0x88,0x78,0x08,0xF0,0x00,
|
||
0x00,0x00,0xF8,0x08,0x70,0x80,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
||
};
|
||
|
||
public NES(string fname)
|
||
{
|
||
Debuger.Log("VirtuaNES - CSharpCore\n");
|
||
|
||
m_bDiskThrottle = false;
|
||
|
||
m_nSnapNo = 0;
|
||
|
||
m_bNsfPlaying = false;
|
||
|
||
m_bMoviePlay = m_bMovieRec = false;
|
||
m_fpMovie = null;
|
||
|
||
m_bTapePlay = m_bTapeRec = false;
|
||
m_fpTape = null;
|
||
m_TapeCycles = 0d;
|
||
m_TapeIn = m_TapeOut = 0;
|
||
|
||
m_bBarcode2 = false;
|
||
|
||
m_TurboFileBank = 0;
|
||
|
||
cpu = null;
|
||
ppu = null;
|
||
apu = null;
|
||
rom = null;
|
||
pad = null;
|
||
mapper = null;
|
||
|
||
SAVERAM_SIZE = 8 * 1024;
|
||
|
||
nIRQtype = 0;
|
||
|
||
bFrameIRQ = true;
|
||
|
||
bVideoMode = false;
|
||
|
||
nescfg = NesConfig.NESCONFIG_NTSC;
|
||
|
||
CheatInitial();
|
||
|
||
try
|
||
{
|
||
Debuger.Log("Allocating CPU...");
|
||
cpu = new CPU(this);
|
||
|
||
Debuger.Log("Allocating PPU...");
|
||
ppu = new PPU(this);
|
||
|
||
ppu.InitBuffer();
|
||
|
||
Debuger.Log("Allocating APU...");
|
||
apu = new APU(this);
|
||
|
||
Debuger.Log("Allocating PAD...");
|
||
pad = new PAD(this);
|
||
|
||
Debuger.Log("Loading ROM Image...");
|
||
rom = new ROM(fname);
|
||
|
||
mapper = Mapper.CreateMapper(this, rom.GetMapperNo());
|
||
|
||
Debuger.Log("OK");
|
||
|
||
Debuger.Log($"{rom.GetRomName()}");
|
||
Debuger.Log($"Mapper : #{rom.GetMapperNo():D3}");
|
||
Debuger.Log($"PROM-CRC : #{rom.GetPROM_CRC():X2}");
|
||
Debuger.Log($"VROM-CRC : #{rom.GetVROM_CRC():X2}");
|
||
Debuger.Log($"PRG SIZE : {16 * rom.GetPROM_SIZE():0000}K");
|
||
Debuger.Log($"CHR SIZE : {8 * rom.GetVROM_SIZE():0000}K");
|
||
|
||
Debuger.Log($"V MIRROR :{rom.IsVMIRROR()}");
|
||
Debuger.Log($"4 SCREEN :{rom.Is4SCREEN()}");
|
||
Debuger.Log($"SAVE RAM :{rom.IsSAVERAM()}");
|
||
Debuger.Log($"TRAINER :{rom.IsTRAINER()}");
|
||
Debuger.Log($"VS-Unisystem :{rom.IsVSUNISYSTEM()}");
|
||
|
||
NesSub_MemoryInitial();
|
||
LoadSRAM();
|
||
LoadDISK();
|
||
|
||
{
|
||
// Padクラス内だと初期化タイミングが遅いのでここで
|
||
uint crc = rom.GetPROM_CRC();
|
||
if (
|
||
crc == 0xe792de94 // Best Play - Pro Yakyuu (New) (J)
|
||
|| crc == 0xf79d684a // Best Play - Pro Yakyuu (Old) (J)
|
||
|| crc == 0xc2ef3422 // Best Play - Pro Yakyuu 2 (J)
|
||
|| crc == 0x974e8840 // Best Play - Pro Yakyuu '90 (J)
|
||
|| crc == 0xb8747abf // Best Play - Pro Yakyuu Special (J)
|
||
|| crc == 0x9fa1c11f // Castle Excellent (J)
|
||
|| crc == 0x0b0d4d1b // Derby Stallion - Zenkoku Ban (J)
|
||
|| crc == 0x728c3d98 // Downtown - Nekketsu Monogatari (J)
|
||
|| crc == 0xd68a6f33 // Dungeon Kid (J)
|
||
|| crc == 0x3a51eb04 // Fleet Commander (J)
|
||
|| crc == 0x7c46998b // Haja no Fuuin (J)
|
||
|| crc == 0x7e5d2f1a // Itadaki Street - Watashi no Mise ni Yottette (J)
|
||
|| crc == 0xcee5857b // Ninjara Hoi! (J)
|
||
|| crc == 0x50ec5e8b // Wizardry - Legacy of Llylgamyn (J)
|
||
|| crc == 0x343e9146 // Wizardry - Proving Grounds of the Mad Overlord (J)
|
||
|| crc == 0x33d07e45)
|
||
{ // Wizardry - The Knight of Diamonds (J)
|
||
pad.SetExController(EXCONTROLLER.EXCONTROLLER_TURBOFILE);
|
||
}
|
||
}
|
||
|
||
LoadTurboFile();
|
||
|
||
// VS-Unisystemのデフォルト設定
|
||
if (rom.IsVSUNISYSTEM())
|
||
{
|
||
uint crc = rom.GetPROM_CRC();
|
||
|
||
m_VSDipValue = 0;
|
||
m_VSDipTable = VsUnisystem.vsdip_default;
|
||
}
|
||
|
||
Reset();
|
||
|
||
// ゲーム固有のデフォルトオプションを設定(設定戻す時に使う為)
|
||
GameOption.defRenderMethod = (int)GetRenderMethod();
|
||
GameOption.defIRQtype = GetIrqType();
|
||
GameOption.defFrameIRQ = GetFrameIRQmode();
|
||
GameOption.defVideoMode = GetVideoMode();
|
||
|
||
// 設定をロードして設定する(エントリが無ければデフォルトが入る)
|
||
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 ファイルを開けません
|
||
throw new Exception($"Can Not Open File [TurboFile.vtf]");
|
||
}
|
||
|
||
long size = fp.Length;
|
||
// ファイルサイズ取得
|
||
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 : 磁碟机读取支持
|
||
}
|
||
|
||
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;
|
||
|
||
// 儊儌儕僋儕傾
|
||
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 彍嶼杊巭懳嶔
|
||
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;
|
||
|
||
// 僨僼僅儖僩僶儞僋愝掕
|
||
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;
|
||
}
|
||
|
||
// 撪憻RAM/WRAM
|
||
MMU.SetPROM_Bank(0, MMU.RAM, MMU.BANKTYPE_RAM);
|
||
MMU.SetPROM_Bank(3, MMU.WRAM, MMU.BANKTYPE_RAM);
|
||
|
||
// 僟儈乕
|
||
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 CheatInitial()
|
||
{
|
||
m_CheatCode.Clear();
|
||
}
|
||
|
||
public uint FrameCount { get; private set; }
|
||
public void EmulateFrame(bool bDraw)
|
||
{
|
||
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(); // 偙傟偺埵抲偱儔僗僞乕宯偼夋柺偑堘偆
|
||
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婜娫
|
||
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)
|
||
{
|
||
// 僟儈乕僗僉儍儞儔僀儞
|
||
// 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)
|
||
{
|
||
// 僗僋儕乕儞昤夋(Scanline 1乣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)
|
||
{
|
||
// 僟儈乕僗僉儍儞儔僀儞 (Scanline 240)
|
||
mapper.VSync();
|
||
|
||
EmulationCPU(nescfg.HDrawCycles);
|
||
// H-Sync
|
||
mapper.HSync(scanline);
|
||
|
||
EmulationCPU(nescfg.HBlankCycles);
|
||
}
|
||
else if (scanline <= nescfg.TotalScanlines - 1)
|
||
{
|
||
pad.VSync();
|
||
|
||
// VBLANK婜娫
|
||
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;
|
||
}
|
||
}
|
||
|
||
FrameCount++;
|
||
}
|
||
|
||
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 unsafe 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);
|
||
}
|
||
}
|
||
|
||
|
||
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++;
|
||
}
|
||
|
||
public 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();
|
||
|
||
// 僨僼僅儖僩僶儞僋
|
||
if (MMU.VROM_8K_SIZE != 0)
|
||
{
|
||
MMU.SetVROM_8K_Bank(0);
|
||
}
|
||
else
|
||
{
|
||
MMU.SetCRAM_8K_Bank(0);
|
||
}
|
||
|
||
// 儈儔乕
|
||
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();
|
||
}
|
||
|
||
|
||
|
||
public 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;
|
||
|
||
// 埨慡懳嶔傪寭偹偰偁偊偰儖乕僾偵(1昩暘)
|
||
for (int i = 0; i < nescfg.TotalScanlines * 60; i++)
|
||
{
|
||
EmulationCPU(nescfg.ScanlineCycles);
|
||
cpu.GetContext(ref reg);
|
||
|
||
// 柍尷儖乕僾偵擖偭偨偙偲傪妋擣偟偨傜敳偗傞
|
||
if (reg.PC == 0x4700)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
m_bNsfInit = false;
|
||
}
|
||
|
||
cpu.GetContext(ref reg);
|
||
// 柍尷儖乕僾偵擖偭偰偄偨傜嵞愝掕偡傞
|
||
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; // 柍尷儖乕僾
|
||
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;
|
||
// 掆巭丠
|
||
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 -= cycles) > 0)
|
||
return;
|
||
|
||
m_TapeCycles += (nescfg.CpuClock / 32000.0);
|
||
// m_TapeCycles += (nescfg.CpuClock / 22050.0); // 抶偡偓偰僟儊偭傐偄
|
||
|
||
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梊杊
|
||
}
|
||
|
||
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屌桳億乕僩
|
||
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 State GetState()
|
||
{
|
||
State state = new State();
|
||
|
||
//HEADER
|
||
{
|
||
state.HEADER.ID = "VirtuaNES ST";
|
||
state.HEADER.BlockVersion = 0x0200;
|
||
|
||
if (rom.GetMapperNo() != 20)
|
||
state.HEADER.Ext0 = rom.GetPROM_CRC();
|
||
else
|
||
{
|
||
state.HEADER.Ext0 = rom.GetGameID();
|
||
state.HEADER.Ext1 = (ushort)rom.GetMakerID();
|
||
state.HEADER.Ext2 = (ushort)rom.GetDiskNo();
|
||
}
|
||
}
|
||
|
||
//REGISTER STATE
|
||
{
|
||
state.regBLOCK.ID = "REG DATA";
|
||
state.regBLOCK.BlockVersion = 0x0210;
|
||
state.regBLOCK.BlockSize = state.reg.GetSize();
|
||
|
||
R6502 R = null;
|
||
cpu.GetContext(ref R);
|
||
|
||
state.reg.cpureg.PC = R.PC;
|
||
state.reg.cpureg.A = R.A;
|
||
state.reg.cpureg.X = R.X;
|
||
state.reg.cpureg.Y = R.Y;
|
||
state.reg.cpureg.S = R.S;
|
||
state.reg.cpureg.P = R.P;
|
||
state.reg.cpureg.I = R.INT_pending;
|
||
|
||
int cycles = 0;
|
||
apu.GetFrameIRQ(ref cycles,
|
||
ref state.reg.cpureg.FrameIRQ_count,
|
||
ref state.reg.cpureg.FrameIRQ_type,
|
||
ref state.reg.cpureg.FrameIRQ,
|
||
ref state.reg.cpureg.FrameIRQ_occur);
|
||
state.reg.cpureg.FrameIRQ_cycles = cycles; // 参照がINTな為（ぉ
|
||
|
||
state.reg.cpureg.DMA_cycles = cpu.GetDmaCycles();
|
||
state.reg.cpureg.emul_cycles = emul_cycles;
|
||
state.reg.cpureg.base_cycles = base_cycles;
|
||
|
||
// SAVE PPU STATE
|
||
state.reg.ppureg.reg0 = MMU.PPUREG[0];
|
||
state.reg.ppureg.reg1 = MMU.PPUREG[1];
|
||
state.reg.ppureg.reg2 = MMU.PPUREG[2];
|
||
state.reg.ppureg.reg3 = MMU.PPUREG[3];
|
||
state.reg.ppureg.reg7 = MMU.PPU7_Temp;
|
||
state.reg.ppureg.loopy_t = MMU.loopy_t;
|
||
state.reg.ppureg.loopy_v = MMU.loopy_v;
|
||
state.reg.ppureg.loopy_x = MMU.loopy_x;
|
||
state.reg.ppureg.toggle56 = MMU.PPU56Toggle;
|
||
}
|
||
|
||
//RAM STATE
|
||
{
|
||
state.ram = RAMSTAT.GetDefault();
|
||
uint size = 0;
|
||
|
||
// SAVE RAM STATE
|
||
MemoryUtility.memcpy(state.ram.RAM, MMU.RAM, state.ram.RAM.Length);
|
||
MemoryUtility.memcpy(state.ram.BGPAL, MMU.BGPAL, state.ram.BGPAL.Length);
|
||
MemoryUtility.memcpy(state.ram.SPPAL, MMU.SPPAL, state.ram.SPPAL.Length);
|
||
MemoryUtility.memcpy(state.ram.SPRAM, MMU.SPRAM, state.ram.SPRAM.Length);
|
||
|
||
// S-RAM STATE(使用/未使用に関わらず存在すればセーブする)
|
||
if (rom.IsSAVERAM())
|
||
{
|
||
size = (uint)SAVERAM_SIZE;
|
||
}
|
||
|
||
// Create Header
|
||
state.ramBLOCK.ID = "RAM DATA";
|
||
state.ramBLOCK.BlockVersion = 0x0100;
|
||
state.ramBLOCK.BlockSize = size + state.ram.GetSize();
|
||
|
||
if (rom.IsSAVERAM())
|
||
{
|
||
state.WRAM = new byte[SAVERAM_SIZE];
|
||
Array.Copy(MMU.WRAM, state.WRAM, SAVERAM_SIZE);
|
||
}
|
||
}
|
||
|
||
//BANK STATE
|
||
{
|
||
state.mmu = MMUSTAT.GetDefault();
|
||
uint size = 0;
|
||
|
||
// SAVE CPU MEMORY BANK DATA
|
||
// BANK0,1,2はバンクセーブに関係なし
|
||
// VirtuaNES0.30から
|
||
// バンク３はSRAM使用に関わらずセーブ
|
||
for (int i = 3; i < 8; i++)
|
||
{
|
||
state.mmu.CPU_MEM_TYPE[i] = MMU.CPU_MEM_TYPE[i];
|
||
state.mmu.CPU_MEM_PAGE[i] = (ushort)MMU.CPU_MEM_PAGE[i];
|
||
|
||
if (MMU.CPU_MEM_TYPE[i] == MMU.BANKTYPE_RAM
|
||
|| MMU.CPU_MEM_TYPE[i] == MMU.BANKTYPE_DRAM)
|
||
{
|
||
size += 8 * 1024; // 8K BANK
|
||
}
|
||
}
|
||
|
||
// SAVE VRAM MEMORY DATA
|
||
for (int i = 0; i < 12; i++)
|
||
{
|
||
state.mmu.PPU_MEM_TYPE[i] = MMU.PPU_MEM_TYPE[i];
|
||
state.mmu.PPU_MEM_PAGE[i] = (ushort)MMU.PPU_MEM_PAGE[i];
|
||
}
|
||
size += 4 * 1024; // 1K BANK x 4 (VRAM)
|
||
|
||
for (int i = 0; i < 8; i++)
|
||
{
|
||
state.mmu.CRAM_USED[i] = MMU.CRAM_USED[i];
|
||
if (MMU.CRAM_USED[i] != 0)
|
||
{
|
||
size += 4 * 1024; // 4K BANK
|
||
}
|
||
}
|
||
|
||
// Create Header
|
||
state.mmuBLOCK.ID = "MMU DATA";
|
||
state.mmuBLOCK.BlockVersion = 0x0200;
|
||
state.mmuBLOCK.BlockSize = size + state.mmu.GetSize();
|
||
|
||
state.CPU_MEM_BANK = new List<byte>();
|
||
// WRITE CPU RAM MEMORY BANK
|
||
for (int i = 3; i < 8; i++)
|
||
{
|
||
if (state.mmu.CPU_MEM_TYPE[i] != MMU.BANKTYPE_ROM)
|
||
{
|
||
state.CPU_MEM_BANK.AddRange(MMU.CPU_MEM_BANK[i].Span(0, 8 * 1024).ToArray());
|
||
}
|
||
}
|
||
|
||
// WRITE VRAM MEMORY(常に4K分すべて書き込む)
|
||
state.VRAM = new byte[4 * 1024];
|
||
Array.Copy(MMU.VRAM, state.VRAM, state.VRAM.Length);
|
||
|
||
state.CRAM = new List<byte>();
|
||
// WRITE CRAM MEMORY
|
||
for (int i = 0; i < 8; i++)
|
||
{
|
||
if (MMU.CRAM_USED[i] != 0)
|
||
{
|
||
var bytes = new byte[4 * 1024];
|
||
Array.Copy(MMU.CRAM, 0x1000 * i, bytes, 0, bytes.Length);
|
||
state.CRAM.AddRange(bytes);
|
||
}
|
||
}
|
||
}
|
||
|
||
// MMC STATE
|
||
{
|
||
state.mmc = MMCSTAT.GetDefault();
|
||
|
||
// Create Header
|
||
state.mmcBLOCK.ID = "MMC DATA";
|
||
state.mmcBLOCK.BlockVersion = 0x0100;
|
||
state.mmcBLOCK.BlockSize = state.mmc.GetSize();
|
||
|
||
if (mapper.IsStateSave())
|
||
{
|
||
mapper.SaveState(state.mmc.mmcdata);
|
||
}
|
||
}
|
||
|
||
//CONTROLLER STATE
|
||
{
|
||
// Create Header
|
||
state.ctrBLOCK.ID = "CTR DATA";
|
||
state.ctrBLOCK.BlockVersion = 0x0100;
|
||
state.ctrBLOCK.BlockSize = state.ctr.GetSize();
|
||
|
||
state.ctr.pad1bit = 0;
|
||
state.ctr.pad2bit = 0;
|
||
state.ctr.pad3bit = 0;
|
||
state.ctr.pad4bit = 0;
|
||
state.ctr.strobe = 0;
|
||
}
|
||
|
||
//SND STATE
|
||
{
|
||
state.snd = SNDSTAT.GetDefault();
|
||
|
||
// Create Header
|
||
state.sndBLOCK.ID = "SND DATA";
|
||
state.sndBLOCK.BlockVersion = 0x0100;
|
||
state.sndBLOCK.BlockSize = state.snd.GetSize();
|
||
|
||
StateBuffer buffer = new StateBuffer();
|
||
apu.SaveState(buffer);
|
||
Array.Copy(buffer.Data.ToArray(), state.snd.snddata, buffer.Data.Count);
|
||
}
|
||
|
||
// DISKIMAGE STATE
|
||
if (rom.GetMapperNo() == 20)
|
||
{
|
||
var lpDisk = rom.GetPROM();
|
||
var lpWrite = rom.GetDISK();
|
||
int DiskSize = 16 + 65500 * rom.GetDiskNo();
|
||
|
||
|
||
// 相違数をカウント
|
||
for (int i = 16; i < DiskSize; i++)
|
||
{
|
||
if (lpWrite[i] != 0)
|
||
state.dsk.DifferentSize++;
|
||
}
|
||
|
||
state.dskBLOCK.ID = "DISKDATA";
|
||
state.dskBLOCK.BlockVersion = 0x0210;
|
||
state.dskBLOCK.BlockSize = 0;
|
||
|
||
state.dskdata = new List<uint>();
|
||
|
||
for (int i = 16; i < DiskSize; i++)
|
||
{
|
||
if (lpWrite[i] != 0)
|
||
{
|
||
uint data = (uint)(i & 0x00FFFFFF);
|
||
data |= ((uint)lpDisk[i] & 0xFF) << 24;
|
||
state.dskdata.Add(data);
|
||
}
|
||
}
|
||
}
|
||
|
||
// EXCTR STATE
|
||
if (pad.GetExController() != 0)
|
||
{
|
||
state.exctrBLOCK.ID = "EXCTRDAT";
|
||
state.exctrBLOCK.BlockVersion = 0x0100;
|
||
state.exctrBLOCK.BlockSize = state.exctr.GetSize();
|
||
|
||
// Some excontrollers will default 0
|
||
state.exctr.data = pad.GetSyncExData();
|
||
}
|
||
|
||
return state;
|
||
}
|
||
|
||
public void LoadState(State state)
|
||
{
|
||
FrameCount = 0;
|
||
//HEADER
|
||
{
|
||
state.HEADER.ID = "VirtuaNES ST";
|
||
state.HEADER.BlockVersion = 0x0200;
|
||
|
||
if (rom.GetMapperNo() != 20)
|
||
rom.SetPROM_CRC(state.HEADER.Ext0);
|
||
else
|
||
{
|
||
rom.SetGameID(state.HEADER.Ext0);
|
||
rom.SetMakerID(state.HEADER.Ext1);
|
||
rom.SetDiskNo(state.HEADER.Ext2);
|
||
}
|
||
}
|
||
|
||
//REGISTER STATE
|
||
{
|
||
R6502 R = new R6502();
|
||
R.PC = state.reg.cpureg.PC;
|
||
R.A = state.reg.cpureg.A;
|
||
R.X = state.reg.cpureg.X;
|
||
R.Y = state.reg.cpureg.Y;
|
||
R.S = state.reg.cpureg.S;
|
||
R.P = state.reg.cpureg.P;
|
||
R.INT_pending = state.reg.cpureg.I;
|
||
cpu.SetContext(R);
|
||
|
||
apu.SetFrameIRQ(
|
||
state.reg.cpureg.FrameIRQ_cycles,
|
||
state.reg.cpureg.FrameIRQ_count,
|
||
state.reg.cpureg.FrameIRQ_type,
|
||
state.reg.cpureg.FrameIRQ,
|
||
state.reg.cpureg.FrameIRQ_occur
|
||
);
|
||
|
||
|
||
cpu.SetDmaCycles(state.reg.cpureg.DMA_cycles);
|
||
emul_cycles = state.reg.cpureg.emul_cycles;
|
||
base_cycles = state.reg.cpureg.base_cycles;
|
||
|
||
// LOAD PPU STATE
|
||
MMU.PPUREG[0] = state.reg.ppureg.reg0;
|
||
MMU.PPUREG[1] = state.reg.ppureg.reg1;
|
||
MMU.PPUREG[2] = state.reg.ppureg.reg2;
|
||
MMU.PPUREG[3] = state.reg.ppureg.reg3;
|
||
MMU.PPU7_Temp = state.reg.ppureg.reg7;
|
||
MMU.loopy_t = state.reg.ppureg.loopy_t;
|
||
MMU.loopy_v = state.reg.ppureg.loopy_v;
|
||
MMU.loopy_x = state.reg.ppureg.loopy_x;
|
||
MMU.PPU56Toggle = state.reg.ppureg.toggle56;
|
||
}
|
||
|
||
//RAM STATE
|
||
{
|
||
// SAVE RAM STATE
|
||
MemoryUtility.memcpy(MMU.RAM, state.ram.RAM, state.ram.RAM.Length);
|
||
MemoryUtility.memcpy(MMU.BGPAL, state.ram.BGPAL, state.ram.BGPAL.Length);
|
||
MemoryUtility.memcpy(MMU.SPPAL, state.ram.SPPAL, state.ram.SPPAL.Length);
|
||
MemoryUtility.memcpy(MMU.SPRAM, state.ram.SPRAM, state.ram.SPRAM.Length);
|
||
|
||
if (rom.IsSAVERAM())
|
||
{
|
||
Array.Copy(state.WRAM, MMU.WRAM, SAVERAM_SIZE);
|
||
}
|
||
}
|
||
|
||
//BANK STATE
|
||
{
|
||
// SAVE CPU MEMORY BANK DATA
|
||
// BANK0,1,2はバンクセーブに関係なし
|
||
// VirtuaNES0.30から
|
||
// バンク３はSRAM使用に関わらずセーブ
|
||
for (byte i = 3; i < 8; i++)
|
||
{
|
||
MMU.CPU_MEM_TYPE[i] = state.mmu.CPU_MEM_TYPE[i];
|
||
MMU.CPU_MEM_PAGE[i] = state.mmu.CPU_MEM_PAGE[i];
|
||
if (MMU.CPU_MEM_TYPE[i] == MMU.BANKTYPE_ROM)
|
||
MMU.SetPROM_8K_Bank(i, MMU.CPU_MEM_PAGE[i]);
|
||
else
|
||
{
|
||
MMU.CPU_MEM_BANK[i].SetArray(state.CPU_MEM_BANK.ToArray(), 0);
|
||
}
|
||
}
|
||
|
||
// VRAM
|
||
MemoryUtility.memcpy(MMU.VRAM, state.VRAM, 4 * 1024);
|
||
// CRAM
|
||
for (int i = 0; i < 8; i++)
|
||
{
|
||
MMU.CRAM_USED[i] = state.mmu.CRAM_USED[i];
|
||
}
|
||
// SAVE VRAM MEMORY DATA
|
||
for (byte i = 0; i < 12; i++)
|
||
{
|
||
if (state.mmu.PPU_MEM_TYPE[i] == MMU.BANKTYPE_VROM)
|
||
{
|
||
MMU.SetVROM_1K_Bank(i, state.mmu.PPU_MEM_PAGE[i]);
|
||
}
|
||
else if (state.mmu.PPU_MEM_TYPE[i] == MMU.BANKTYPE_CRAM)
|
||
{
|
||
MMU.SetCRAM_1K_Bank(i, state.mmu.PPU_MEM_PAGE[i]);
|
||
}
|
||
else if (state.mmu.PPU_MEM_TYPE[i] == MMU.BANKTYPE_VRAM)
|
||
{
|
||
MMU.SetVRAM_1K_Bank(i, state.mmu.PPU_MEM_PAGE[i]);
|
||
}
|
||
else
|
||
{
|
||
throw new Exception("Unknown bank types.");
|
||
}
|
||
}
|
||
|
||
// WRITE CPU RAM MEMORY BANK
|
||
|
||
int stateStep = 0;
|
||
var stateCPU_MEM_BANK = state.CPU_MEM_BANK.ToArray();
|
||
|
||
for (int i = 3; i < 8; i++)
|
||
{
|
||
if (state.mmu.CPU_MEM_TYPE[i] != MMU.BANKTYPE_ROM)
|
||
{
|
||
var sourceData = new Span<byte>(stateCPU_MEM_BANK, stateStep * 8 * 1024, 8 * 1024);
|
||
MMU.CPU_MEM_BANK[i].WriteTo(sourceData.ToArray(), 0, 8 * 1024);
|
||
stateStep++;
|
||
}
|
||
}
|
||
|
||
Array.Copy(state.VRAM, MMU.VRAM, state.VRAM.Length);
|
||
|
||
stateStep = 0;
|
||
var stateCRAM = state.CRAM.ToArray();
|
||
// LOAD CRAM MEMORY
|
||
for (int i = 0; i < 8; i++)
|
||
{
|
||
if (MMU.CRAM_USED[i] != 0)
|
||
{
|
||
var sourceData = stateCRAM.AsSpan(stateStep * 4 * 1024, 4 * 1024).ToArray();
|
||
Array.Copy(sourceData, 0, MMU.CRAM, 0x1000 * i, 4 * 1024);
|
||
}
|
||
}
|
||
}
|
||
|
||
// MMC STATE
|
||
{
|
||
mapper.LoadState(state.mmc.mmcdata);
|
||
}
|
||
|
||
//CONTROLLER STATE
|
||
{
|
||
pad.pad1bit = state.ctr.pad1bit;
|
||
pad.pad2bit = state.ctr.pad2bit;
|
||
pad.pad3bit = state.ctr.pad3bit;
|
||
pad.pad4bit = state.ctr.pad4bit;
|
||
pad.SetStrobe(state.ctr.strobe == 0 ? false : true);
|
||
}
|
||
|
||
//SND STATE
|
||
{
|
||
var buffer = new StateReader(state.snd.snddata);
|
||
apu.LoadState(buffer);
|
||
}
|
||
|
||
// DISKIMAGE STATE
|
||
if (rom.GetMapperNo() == 20)
|
||
{
|
||
var lpDisk = rom.GetPROM();
|
||
var lpWrite = rom.GetDISK();
|
||
int DiskSize = 16 + 65500 * rom.GetDiskNo();
|
||
|
||
Array.Clear(lpWrite, 0, DiskSize);
|
||
|
||
for (int i = 0; i < state.dsk.DifferentSize; i++)
|
||
{
|
||
var pos = state.dskdata[i];
|
||
byte data = (byte)(pos >> 24);
|
||
pos &= 0x00FFFFFF;
|
||
|
||
if (pos >= 16 && pos < DiskSize)
|
||
{
|
||
lpDisk[pos] = data;
|
||
lpWrite[pos] = 0xFF;
|
||
}
|
||
}
|
||
}
|
||
|
||
// EXCTR STATE
|
||
if (pad.GetExController() != 0)
|
||
{
|
||
pad.SetSyncExData(state.exctr.data);
|
||
}
|
||
}
|
||
|
||
internal void SetZapperPos(int x, int y)
|
||
{
|
||
ZapperX = x; ZapperY = y;
|
||
}
|
||
|
||
public enum IRQMETHOD
|
||
{
|
||
IRQ_HSYNC = 0, IRQ_CLOCK = 1
|
||
}
|
||
}
|
||
}
|