397 lines
18 KiB
C++
397 lines
18 KiB
C++
//////////////////////////////////////////////////////////////////////////
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// //
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// NES Emulation core //
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// Norix //
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// written 2001/02/22 //
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// last modify ----/--/-- //
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//////////////////////////////////////////////////////////////////////////
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#ifndef __NES_INCLUDED__
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#define __NES_INCLUDED__
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "typedef.h"
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#include "macro.h"
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#include "state.h"
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#include "cheat.h"
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#include "VsUnisystem.h"
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#include <vector>
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using namespace std;
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#define NES_PROFILER 0
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// コンフィグ
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#define FETCH_CYCLES 8
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typedef struct tagNESCONFIG {
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FLOAT BaseClock; // NTSC:21477270.0 PAL:21281364.0
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FLOAT CpuClock; // NTSC: 1789772.5 PAL: 1773447.0
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INT TotalScanlines; // NTSC: 262 PAL: 312
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INT ScanlineCycles; // NTSC:1364 PAL:1362
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INT HDrawCycles; // NTSC:1024 PAL:1024
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INT HBlankCycles; // NTSC: 340 PAL: 338
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INT ScanlineEndCycles; // NTSC: 4 PAL: 2
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INT FrameCycles; // NTSC:29829.52 PAL:35468.94
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INT FrameIrqCycles; // NTSC:29829.52 PAL:35468.94
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INT FrameRate; // NTSC:60(59.94) PAL:50
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FLOAT FramePeriod; // NTSC:16.683 PAL:20.0
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} NESCONFIG, *LPNESCONFIG;
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extern NESCONFIG NESCONFIG_NTSC;
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extern NESCONFIG NESCONFIG_PAL;
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// class prototypes
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class CPU;
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class PPU;
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class APU;
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class ROM;
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class PAD;
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class Mapper;
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//
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// NES クラス
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//
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class NES
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{
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public:
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// メンバ変数
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CPU* cpu;
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PPU* ppu;
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APU* apu;
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ROM* rom;
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PAD* pad;
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Mapper* mapper;
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NESCONFIG* nescfg;
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public:
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NES( const char* fname );
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virtual ~NES();
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// メンバ関数
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// エミュレーション
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void Reset();
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void SoftReset();
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void Clock( INT cycles );
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BYTE Read ( WORD addr );
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void Write( WORD addr, BYTE data );
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void EmulationCPU( INT basecycles );
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void EmulationCPU_BeforeNMI( INT cycles );
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void EmulateFrame( BOOL bDraw );
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// For NSF
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void EmulateNSF();
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void SetNsfPlay( INT songno, INT songmode );
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void SetNsfStop();
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BOOL IsNsfPlaying() { return m_bNsfPlaying; };
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// IRQ type contorol
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enum IRQMETHOD {
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IRQ_HSYNC = 0,
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IRQ_CLOCK = 1
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};
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void SetIrqType( INT nType ) { nIRQtype = nType; };
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INT GetIrqType() { return (INT)nIRQtype; };
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// Frame-IRQ control (for Paris-Dakar Rally Special)
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void SetFrameIRQmode( BOOL bMode ) { bFrameIRQ = bMode; }
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BOOL GetFrameIRQmode() { return bFrameIRQ; }
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// NTSC/PAL
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void SetVideoMode( BOOL bMode );
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BOOL GetVideoMode() { return bVideoMode; }
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//
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INT GetDiskNo();
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void SoundSetup();
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INT GetScanline() { return NES_scanline; }
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BOOL GetZapperHit() { return bZapper; }
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void GetZapperPos( LONG&x, LONG&y ) { x = ZapperX; y = ZapperY; }
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void SetZapperPos( LONG x, LONG y ) { ZapperX = x; ZapperY = y; }
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// ステートファイル
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// 0:ERROR 1:CRC OK -1:CRC ERR
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static INT IsStateFile( const char* fname, ROM* rom );
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BOOL LoadState( const char* fname );
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BOOL SaveState( const char* fname );
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INT GetSAVERAM_SIZE() { return SAVERAM_SIZE; }
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void SetSAVERAM_SIZE( INT size ) { SAVERAM_SIZE = size; }
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// VS-Unisystem
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BYTE GetVSDipSwitch() { return m_VSDipValue; }
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void SetVSDipSwitch( BYTE v ) { m_VSDipValue = v; }
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VSDIPSWITCH* GetVSDipSwitchTable() { return m_VSDipTable; }
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// スナップショット
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BOOL Snapshot();
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// For Movie
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// 0:ERROR 1:CRC OK -1:CRC ERR
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static INT IsMovieFile( const char* fname, ROM* rom );
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BOOL IsMoviePlay() { return m_bMoviePlay; }
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BOOL IsMovieRec() { return m_bMovieRec; }
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BOOL MoviePlay( const char* fname );
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BOOL MovieRec( const char* fname );
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BOOL MovieRecAppend( const char* fname );
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BOOL MovieStop();
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// その他コントロール
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BOOL IsDiskThrottle() { return m_bDiskThrottle; }
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// BOOL IsBraking() { return m_bBrake; } // Debugger
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// 描画方式
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enum RENDERMETHOD {
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POST_ALL_RENDER = 0, // スキャンライン分の命令実行後，レンダリング
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PRE_ALL_RENDER = 1, // レンダリングの実行後，スキャンライン分の命令実行
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POST_RENDER = 2, // 表示期間分の命令実行後，レンダリング
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PRE_RENDER = 3, // レンダリング実行後，表示期間分の命令実行
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TILE_RENDER = 4 // タイルベースレンダリング
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};
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void SetRenderMethod(RENDERMETHOD type);
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RENDERMETHOD GetRenderMethod() { return RenderMethod; }
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// コマンド
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enum NESCOMMAND {
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NESCMD_NONE = 0,
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NESCMD_HWRESET,
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NESCMD_SWRESET,
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NESCMD_EXCONTROLLER, // Commandparam
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NESCMD_DISK_THROTTLE_ON,
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NESCMD_DISK_THROTTLE_OFF,
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NESCMD_DISK_EJECT,
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NESCMD_DISK_0A,
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NESCMD_DISK_0B,
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NESCMD_DISK_1A,
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NESCMD_DISK_1B,
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NESCMD_DISK_2A,
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NESCMD_DISK_2B,
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NESCMD_DISK_3A,
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NESCMD_DISK_3B,
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NESCMD_SOUND_MUTE, // CommandParam
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};
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void Command( NESCOMMAND cmd );
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BOOL CommandParam( NESCOMMAND cmd, INT param );
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// For Movie
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void Movie();
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void GetMovieInfo( WORD& wRecVersion, WORD& wVersion, DWORD& dwRecordFrames, DWORD& dwRecordTimes );
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// For Cheat
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void CheatInitial();
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BOOL IsCheatCodeAdd();
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INT GetCheatCodeNum();
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BOOL GetCheatCode( INT no, CHEATCODE& code );
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void SetCheatCodeFlag( INT no, BOOL bEnable );
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void SetCheatCodeAllFlag( BOOL bEnable, BOOL bKey );
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void ReplaceCheatCode( INT no, CHEATCODE code );
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void AddCheatCode( CHEATCODE code );
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void DelCheatCode( INT no );
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DWORD CheatRead( INT length, WORD addr );
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void CheatWrite( INT length, WORD addr, DWORD data );
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void CheatCodeProcess();
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// For Genie
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void GenieInitial();
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void GenieLoad( char* fname );
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void GenieCodeProcess();
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// TapeDevice
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BOOL IsTapePlay() { return m_bTapePlay; }
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BOOL IsTapeRec() { return m_bTapeRec; }
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BOOL TapePlay( const char* fname );
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BOOL TapeRec( const char* fname );
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void TapeStop();
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void Tape( INT cycles );
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// Barcode battler(Bandai)
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void SetBarcodeData( LPBYTE code, INT len );
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void Barcode( INT cycles );
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BOOL IsBarcodeEnable() { return m_bBarcode; };
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BYTE GetBarcodeStatus() { return m_BarcodeOut; };
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// Barcode world(Sunsoft/EPOCH)
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void SetBarcode2Data( LPBYTE code, INT len );
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BYTE Barcode2( void );
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BOOL IsBarcode2Enable() { return m_bBarcode2; };
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// TurboFile
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void SetTurboFileBank( INT bank ) { m_TurboFileBank = bank; }
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INT GetTurboFileBank() { return m_TurboFileBank; }
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#if NES_PROFILER
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// TEST
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DWORD GetFrameTotalCycles() {
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return m_dwTotalCycle;
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}
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DWORD GetProfileTotalCycles() {
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return m_dwProfileTotalCycle;
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}
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DWORD GetProfileTotalCount() {
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return m_dwProfileTotalCount;
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}
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DWORD GetProfileCycles() {
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return m_dwProfileCycle;
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}
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#endif
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protected:
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// メンバ関数
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// エミュレーション
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BYTE ReadReg ( WORD addr );
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void WriteReg( WORD addr, BYTE data );
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// ステートサブ
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BOOL ReadState( FILE* fp );
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void WriteState( FILE* fp );
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void LoadSRAM();
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void SaveSRAM();
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void LoadDISK();
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void SaveDISK();
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void LoadTurboFile();
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void SaveTurboFile();
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protected:
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// メンバ変数
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INT nIRQtype;
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BOOL bVideoMode;
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BOOL bFrameIRQ;
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BOOL bZapper;
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LONG ZapperX, ZapperY;
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BOOL m_bPadStrobe;
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RENDERMETHOD RenderMethod;
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BOOL m_bDiskThrottle;
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SQWORD base_cycles;
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SQWORD emul_cycles;
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INT NES_scanline;
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INT SAVERAM_SIZE;
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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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// Snapshot number
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INT m_nSnapNo;
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// For NSF
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BOOL m_bNsfPlaying;
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BOOL m_bNsfInit;
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INT m_nNsfSongNo;
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INT m_nNsfSongMode;
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// For Movie
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BOOL m_bMoviePlay;
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BOOL m_bMovieRec;
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WORD m_MovieVersion;
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FILE* m_fpMovie;
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MOVIEFILEHDR m_hedMovie;
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DWORD m_MovieControl;
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LONG m_MovieStepTotal;
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LONG m_MovieStep;
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INT m_CommandRequest;
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// For Tape
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BOOL m_bTapePlay;
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BOOL m_bTapeRec;
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FILE* m_fpTape;
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double m_TapeCycles;
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BYTE m_TapeIn;
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BYTE m_TapeOut;
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// For Barcode
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BOOL m_bBarcode;
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BYTE m_BarcodeOut;
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BYTE m_BarcodePtr;
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INT m_BarcodeCycles;
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BYTE m_BarcodeData[256];
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// For Barcode
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BOOL m_bBarcode2;
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INT m_Barcode2seq;
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INT m_Barcode2ptr;
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INT m_Barcode2cnt;
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BYTE m_Barcode2bit;
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BYTE m_Barcode2data[32];
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// For TurboFile
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INT m_TurboFileBank;
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// gameoption backup
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INT m_saveRenderMethod;
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INT m_saveIrqType;
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BOOL m_saveFrameIRQ;
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BOOL m_saveVideoMode;
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// For Cheat
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BOOL m_bCheatCodeAdd;
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vector<CHEATCODE> m_CheatCode;
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// For Genie
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vector<GENIECODE> m_GenieCode;
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// For Movie pad display
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void DrawPad();
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void DrawBitmap( INT x, INT y, LPBYTE lpBitmap );
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static BYTE m_PadImg[];
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static BYTE m_KeyImg0[];
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static BYTE m_KeyImg1[];
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static BYTE m_KeyImg2[];
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#if NES_PROFILER
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// TEST
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BYTE m_ProfileEnable;
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DWORD m_dwTotalCycle;
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DWORD m_dwTotalTempCycle;
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DWORD m_dwProfileTotalCycle;
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DWORD m_dwProfileTotalCount;
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DWORD m_dwProfileCycle;
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DWORD m_dwProfileTempCycle;
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DWORD m_dwProfileAveCycle;
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DWORD m_dwProfileMaxCycle;
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// static BYTE Font6x8[];
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// void DrawFont( INT x, INT y, BYTE chr, BYTE col );
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// void DrawString( INT x, INT y, LPSTR str, BYTE col );
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#endif
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static BYTE Font6x8[];
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void DrawFont( INT x, INT y, BYTE chr, BYTE col );
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void DrawString( INT x, INT y, LPSTR str, BYTE col );
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private:
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};
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#endif // !__NES_INCLUDED__
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