u32 sal_VideoInit(u32 bpp, u32 color, u32 refreshRate)
{
SDL_ShowCursor(0);
if (mScreen)
{
if (mBpp == bpp)
{
return SAL_OK;
}
SDL_VideoQuit();
mScreen=NULL;
}
mBpp=bpp;
mRefreshRate=refreshRate;
//Set up the screen
mScreen = SDL_SetVideoMode( SAL_SCREEN_WIDTH, SAL_SCREEN_HEIGHT, bpp, SDL_HWSURFACE | SDL_DOUBLEBUF);
//If there was an error in setting up the screen
if( mScreen == NULL )
{
sal_LastErrorSet("SDL_SetVideoMode failed");
return SAL_ERROR;
}
// lock surface if needed
if (SDL_MUSTLOCK(mScreen))
{
if (SDL_LockSurface(mScreen) < 0)
{
sal_LastErrorSet("unable to lock surface");
return SAL_ERROR;
}
}
sal_VideoClear(color);
sal_VideoFlip(1);
return SAL_OK;
}
bool8_32 S9xDeinitUpdate (int Width, int Height, bool8_32)
{
if(mInMenu) return TRUE;
// After returning from the menu, clear the background of 3 frames.
// This prevents remnants of the menu from appearing.
if (mFramesCleared < 3)
{
sal_VideoClear(0);
mFramesCleared++;
}
// If the height changed from 224 to 239, or from 239 to 224,
// possibly change the resolution.
bool PAL = !!(Memory.FillRAM[0x2133] & 4);
if (PAL != LastPAL)
{
sal_VideoSetPAL(mMenuOptions.fullScreen, PAL);
LastPAL = PAL;
}
switch (mMenuOptions.fullScreen)
{
case 0: /* No scaling */
case 3: /* Hardware scaling */
{
u32 h = PAL ? SNES_HEIGHT_EXTENDED : SNES_HEIGHT;
u32 y, pitch = sal_VideoGetPitch();
u8 *src = (u8*) IntermediateScreen, *dst = (u8*) sal_VideoGetBuffer()
+ ((sal_VideoGetWidth() - SNES_WIDTH) / 2) * sizeof(u16)
+ ((sal_VideoGetHeight() - h) / 2) * pitch;
for (y = 0; y < h; y++)
{
memcpy(dst, src, SNES_WIDTH * sizeof(u16));
src += SNES_WIDTH * sizeof(u16);
dst += pitch;
}
break;
}
case 1: /* Fast software scaling */
if (PAL) {
upscale_256x240_to_320x240((uint32_t*) sal_VideoGetBuffer(), (uint32_t*) IntermediateScreen, SNES_WIDTH);
} else {
upscale_p((uint32_t*) sal_VideoGetBuffer(), (uint32_t*) IntermediateScreen, SNES_WIDTH);
}
break;
case 2: /* Smooth software scaling */
if (PAL) {
upscale_256x240_to_320x240_bilinearish((uint32_t*) sal_VideoGetBuffer() + 160, (uint32_t*) IntermediateScreen, SNES_WIDTH);
} else {
upscale_256x224_to_320x240_bilinearish((uint32_t*) sal_VideoGetBuffer() + 160, (uint32_t*) IntermediateScreen, SNES_WIDTH);
}
break;
}
u32 newTimer;
if (mMenuOptions.showFps)
{
mFps++;
newTimer=sal_TimerRead();
if(newTimer-mLastTimer>Memory.ROMFramesPerSecond)
{
mLastTimer=newTimer;
sprintf(mFpsDisplay,"%2d/%2d", mFps, Memory.ROMFramesPerSecond);
mFps=0;
}
sal_VideoDrawRect(0,0,5*8,8,SAL_RGB(0,0,0));
sal_VideoPrint(0,0,mFpsDisplay,SAL_RGB(31,31,31));
}
if(mVolumeDisplayTimer>0)
{
sal_VideoDrawRect(100,0,8*8,8,SAL_RGB(0,0,0));
sal_VideoPrint(100,0,mVolumeDisplay,SAL_RGB(31,31,31));
}
if(mQuickStateTimer>0)
{
sal_VideoDrawRect(200,0,8*8,8,SAL_RGB(0,0,0));
sal_VideoPrint(200,0,mQuickStateDisplay,SAL_RGB(31,31,31));
}
sal_VideoFlip(0);
}
int mainEntry(int argc, char* argv[])
{
int ref = 0;
s32 event=EVENT_NONE;
sal_Init();
sal_VideoInit(16,SAL_RGB(0,0,0),Memory.ROMFramesPerSecond);
mRomName[0]=0;
if (argc >= 2)
strcpy(mRomName, argv[1]); // Record ROM name
MenuInit(sal_DirectoryGetHome(), &mMenuOptions);
if(SnesInit() == SAL_ERROR)
{
sal_Reset();
return 0;
}
while(1)
{
mInMenu=1;
event=MenuRun(mRomName);
mInMenu=0;
if(event==EVENT_LOAD_ROM)
{
if(mTempState) free(mTempState);
mTempState=NULL;
if(SnesRomLoad() == SAL_ERROR)
{
MenuMessageBox("Failed to load rom",mRomName,"Press any button to continue", MENU_MESSAGE_BOX_MODE_PAUSE);
sal_Reset();
return 0;
}
else
{
event=EVENT_RUN_ROM;
}
}
if(event==EVENT_RESET_ROM)
{
S9xReset();
event=EVENT_RUN_ROM;
}
if(event==EVENT_RUN_ROM)
{
if(mMenuOptions.fullScreen)
{
sal_VideoSetScaling(SNES_WIDTH,SNES_HEIGHT);
}
if(mMenuOptions.transparency) Settings.Transparency = TRUE;
else Settings.Transparency = FALSE;
sal_AudioSetVolume(mMenuOptions.volume,mMenuOptions.volume);
sal_CpuSpeedSet(mMenuOptions.cpuSpeed);
sal_VideoClear(0);
sal_VideoFlip(1);
sal_VideoClear(0);
sal_VideoFlip(1);
if(mMenuOptions.soundEnabled)
RunSound();
else RunNoSound();
event=EVENT_NONE;
}
if(event==EVENT_EXIT_APP) break;
}
if(mTempState) free(mTempState);
mTempState=NULL;
S9xGraphicsDeinit();
S9xDeinitAPU();
Memory.Deinit();
free(GFX.SubZBuffer);
free(GFX.ZBuffer);
free(GFX.SubScreen);
GFX.SubZBuffer=NULL;
GFX.ZBuffer=NULL;
GFX.SubScreen=NULL;
sal_Reset();
return 0;
}
