nes模拟器源码InfoNES

/*===================================================================*/ /* */ /* InfoNES_System_Win.cpp : The function which depends on a system */ /* (for Windows) */ /* */ /* 2000/05/12 InfoNES Project */ /* */ /*===================================================================*/ /*-------------------------------------------------------------------*/ /* Include files */ /*-------------------------------------------------------------------*/ #include <windows.h> #include <mmsystem.h> #include <limits.h> #include <stdio.h> #include <crtdbg.h> #include <stdarg.h> #include "../InfoNES.h" #include "../InfoNES_System.h" #include "InfoNES_Resource_Win.h" #include "InfoNES_Sound_Win.h" #include "../InfoNES_pAPU.h" /*-------------------------------------------------------------------*/ /* ROM image file information */ /*-------------------------------------------------------------------*/ char szRomName[ 256 ]; char szSaveName[ 256 ]; int nSRAM_SaveFlag; /*-------------------------------------------------------------------*/ /* Variables for Windows */ /*-------------------------------------------------------------------*/ #define APP_NAME "InfoNES v0.93J" HWND hWndMain; WNDCLASS wc; HACCEL hAccel; byte *pScreenMem; HBITMAP hScreenBmp; LOGPALETTE *plpal; BITMAPINFO *bmi; // Palette data WORD NesPalette[ 64 ] = { 0x39ce, 0x1071, 0x0015, 0x2013, 0x440e, 0x5402, 0x5000, 0x3c20, 0x20a0, 0x0100, 0x0140, 0x00e2, 0x0ceb, 0x0000, 0x0000, 0x0000, 0x5ef7, 0x01dd, 0x10fd, 0x401e, 0x5c17, 0x700b, 0x6ca0, 0x6521, 0x45c0, 0x0240, 0x02a0, 0x0247, 0x0211, 0x0000, 0x0000, 0x0000, 0x7fff, 0x1eff, 0x2e5f, 0x223f, 0x79ff, 0x7dd6, 0x7dcc, 0x7e67, 0x7ae7, 0x4342, 0x2769, 0x2ff3, 0x03bb, 0x0000, 0x0000, 0x0000, 0x7fff, 0x579f, 0x635f, 0x6b3f, 0x7f1f, 0x7f1b, 0x7ef6, 0x7f75, 0x7f94, 0x73f4, 0x57d7, 0x5bf9, 0x4ffe, 0x0000, 0x0000, 0x0000 }; // Screen Size Magnification WORD wScreenMagnification = 1; #define NES_MENU_HEIGHT 54 #define NES_MENU_WIDTH 8 /*-------------------------------------------------------------------*/ /* Variables for Emulation Thread */ /*-------------------------------------------------------------------*/ HANDLE m_hThread; DWORD m_ThreadID = NULL; /*-------------------------------------------------------------------*/ /* Variables for Timer & Wait loop */ /*-------------------------------------------------------------------*/ #define LINE_PER_TIMER 789 #define TIMER_PER_LINE 50 WORD wLines; WORD wLinePerTimer; MMRESULT uTimerID; BOOL bWaitFlag; CRITICAL_SECTION WaitFlagCriticalSection; BOOL bAutoFrameskip = TRUE; /*-------------------------------------------------------------------*/ /* Variables for Sound Emulation */ /*-------------------------------------------------------------------*/ DIRSOUND* lpSndDevice = NULL; /*-------------------------------------------------------------------*/ /* Variables for Expiration */ /*-------------------------------------------------------------------*/ #define EXPIRED_YEAR 2001 #define EXPIRED_MONTH 3 #define EXPIRED_MSG "This software has been expired.\nPlease download newer one." /*-------------------------------------------------------------------*/ /* Function prototypes ( Windows specific ) */ /*-------------------------------------------------------------------*/ LRESULT CALLBACK MainWndproc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam ); #if 0 LRESULT CALLBACK AboutDlgProc( HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam ); #endif void ShowTitle( HWND hWnd ); void SetWindowSize( WORD wMag ); int LoadSRAM(); int SaveSRAM(); int CreateScreen( HWND hWnd ); void DestroyScreen(); static void InfoNES_StartTimer(); static void InfoNES_StopTimer(); static void CALLBACK TimerFunc( UINT nID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2); /*===================================================================*/ /* */ /* WinMain() : Application main */ /* */ /*===================================================================*/ int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow ) { /*-------------------------------------------------------------------*/ /* Create a window */ /*-------------------------------------------------------------------*/ wc.style = 0; wc.lpfnWndProc = MainWndproc; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hInstance = hInstance; wc.hIcon = LoadIcon( hInstance, MAKEINTRESOURCE(IDI_ICON) ); wc.hCursor = LoadCursor( NULL, IDC_ARROW ); wc.hbrBackground = (HBRUSH)GetStockObject( BLACK_BRUSH ); wc.lpszMenuName = MAKEINTRESOURCE(IDR_MENU); wc.lpszClassName = "InfoNESClass"; if ( !RegisterClass( &wc ) ) return FALSE; hWndMain = CreateWindowEx( 0, "InfoNESClass", APP_NAME, WS_VISIBLE | WS_POPUP | WS_OVERLAPPEDWINDOW, 200, 120, NES_DISP_WIDTH * wScreenMagnification + NES_MENU_WIDTH, NES_DISP_HEIGHT * wScreenMagnification + NES_MENU_HEIGHT, NULL, NULL, hInstance, NULL ); if ( !hWndMain ) return FALSE; ShowWindow( hWndMain, nCmdShow ); UpdateWindow( hWndMain ); #if 0 /*-------------------------------------------------------------------*/ /* Expired or Not? */ /*-------------------------------------------------------------------*/ SYSTEMTIME st; GetLocalTime( &st ); if ( st.wYear > EXPIRED_YEAR || st.wMonth > EXPIRED_MONTH) { InfoNES_MessageBox( EXPIRED_MSG ); exit( -1 ); } #endif /*-------------------------------------------------------------------*/ /* Init Resources */ /*-------------------------------------------------------------------*/ InfoNES_StartTimer(); CreateScreen( hWndMain ); ShowTitle( hWndMain ); /*-------------------------------------------------------------------*/ /* For Drag and Drop Function */ /*-------------------------------------------------------------------*/ if ( lpCmdLine[ 0 ] != '\0' ) { // If included space characters, strip dobule quote marks if ( lpCmdLine[ 0 ] == '"' ) { lpCmdLine[ strlen( lpCmdLine ) - 1 ] = '\0'; lpCmdLine++; } // Load cassette if ( InfoNES_Load( lpCmdLine ) == 0 ) { // Set a ROM image name strcpy( szRomName, lpCmdLine ); // Load SRAM LoadSRAM(); // Create Emulation Thread m_hThread = CreateThread( (LPSECURITY_ATTRIBUTES)NULL, (DWORD)0, (LPTHREAD_START_ROUTINE)InfoNES_Main, (LPVOID)NULL, (DWORD)0, &m_ThreadID); } } /*-------------------------------------------------------------------*/ /* The Mess