C++ (Cpp) nes_init示例

示例#1

文件： emulator.c 项目： reyheaven/PiEmu

/**
 * Initialises the emulator
 *
 * @param emu Reference to the emulator structure
 */
void
emulator_init(emulator_t* emu)
{
  cpu_init(&emu->cpu, emu);
  vfp_init(&emu->vfp, emu);
  memory_init(&emu->memory, emu);
  gpio_init(&emu->gpio, emu);
  mbox_init(&emu->mbox, emu);
  fb_init(&emu->fb, emu);
  pr_init(&emu->pr, emu);
  nes_init(&emu->nes, emu);
  emu->terminated = 0;
  emu->system_timer_base = emulator_get_time() * 1000;
  emu->last_refresh = 0;
}

示例#2

文件： nes.c 项目： BruceJawn/FlashNES-nesemu

//try to load a rom into the nes
int nes_load(rom_t *r)
{
	//init the nes
	nes_init();

	//if this is a unif rom
	if(r->mapper == -1) {
		mapper_unif_t *mapper;

		if((mapper = mapper_init_unif(r->board)) == 0) {
			log_message("unif board '%s' not supported\n",r->board);
			return(1);
		}
		nes->mapper = (mapper_ines_t*)mapper;
		nes->rom = r;
		nes->rom->prgbankmask = rom_createmask(mapper->info.prg);
		nes->rom->chrbankmask = rom_createmask(mapper->info.chr);
		nes->rom->vrambankmask = rom_createmask(mapper->info.vram);
		nes->rom->srambankmask = rom_createmask(mapper->info.sram);
		if(mapper->info.vram)
			nes_setvramsize(mapper->info.vram / 8);
		if(mapper->info.sram)
			nes_setsramsize(mapper->info.sram / 4);
		log_message("unif mapper '%s' loaded\n",r->board);
	}
	else if(r->mapper == 20) {
		//disk should never be loaded if the bios is not found
		nes->mapper = (config.fdsbios ? &mapper_hle_fds : &mapper_fds);
		printf("%s mapper loaded\n",config.fdsbios ? "hle fds" : "fds");
	}
	else {
		if((nes->mapper = mapper_init_ines(r->mapper)) == 0) {
			log_message("ines mapper %d not supported\n",r->mapper);
			return(1);
		}
		log_message("ines mapper %d loaded\n",r->mapper);
	}
	nes->rom = r;
	ppu_setmirroring(nes->rom->mirroring);
	return(0);
}

示例#3

文件： emulator.c 项目： rockcarry/ffnes

// 函数实现
int WINAPI WinMain(HINSTANCE hCurInst, HINSTANCE hPreInst, LPSTR lpCmdLine, int nCmdShow)
{
    WNDCLASS wc             = {0};
    MSG      msg            = {0};
    HWND     hwnd           = NULL;
    RECT     rect           = {0};
    char     file[MAX_PATH] = {0};
    int      w, h, x, y;
    NES      nes;

    // 注册窗口
    wc.lpfnWndProc   = WndProc;
    wc.hInstance     = hCurInst;
    wc.hIcon         = LoadIcon  (NULL, IDI_APPLICATION);
    wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
    wc.lpszClassName = APP_CLASS_NAME;
    wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
    if (!RegisterClass(&wc)) return FALSE;

    // 创建窗口
    hwnd = CreateWindow(
        APP_CLASS_NAME,
        APP_WND_TITLE,
        WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        NES_WIDTH,
        NES_HEIGHT,
        NULL,
        NULL,
        hCurInst,
        NULL);
    if (!hwnd) return FALSE;

    if (!ShowOpenFileDialog(hwnd, file))
    {
        nCmdShow = SW_HIDE;
        PostQuitMessage(0);
    }

    GetClientRect(hwnd, &rect);
    w = NES_WIDTH  + (NES_WIDTH  - rect.right );
    h = NES_HEIGHT + (NES_HEIGHT - rect.bottom);
    x = (SCREEN_WIDTH  - w) / 2;
    y = (SCREEN_HEIGHT - h) / 2;
    x = x > 0 ? x : 0;
    y = y > 0 ? y : 0;

    // 显示窗口
    MoveWindow(hwnd, x, y, w, h, FALSE);
    ShowWindow(hwnd, nCmdShow);
    UpdateWindow(hwnd);

    // init nes
    SetWindowLong(hwnd, GWL_USERDATA, (LONG)&nes);
    nes_init  (&nes, file, (DWORD)hwnd);
    nes_setrun(&nes, 1);

    // 进入消息循环
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage (&msg);
    }

    // free nes
    nes_free(&nes);
    return TRUE;
}