static int RunExit()
{
nNormalLast = 0;
// Stop sound if it was playing
SndExit();
return 0;
}
// General code for sound
int SndInit()
{
if(bSndOkay) SndExit();
if(options.sound > 3)
options.sound = 0;
pSndDrv = &SndDrvList[options.sound];
if (options.sound) {
int i = options.samplerate;
if(i > 4) i = 0;
nBurnSoundRate = nSndSampleRate[i];
nBurnSoundLen = ((nBurnSoundRate * 100) / nBurnFPS );
}
pBurnSoundOut = NULL;
nSndSegSize = nBurnSoundLen * nSndChannels * 2;
nSndSegBuffer = (short *)malloc(nSndSegSize);
memset(nSndSegBuffer,0,nSndSegSize);
printf("nBurnSoundLen: %i samples\n", nBurnSoundLen);
bSndOkay = (*pSndDrv->open)(nBurnSoundRate, nSndChannels, 16);
if(bSndOkay) {
pBurnSoundOut = (short *)nSndSegBuffer;
return 1;
} else {
pBurnSoundOut = NULL;
nBurnSoundRate = 0;
nBurnSoundLen = 0;
}
options.sound = 0;
pSndDrv = &SndDrvList[0]; // null sound
return 0;
}
int DrvExit()
{
if (bDrvOkay) {
// StopReplay();
// VidExit();
if (nBurnDrvSelect[0] < nBurnDrvCount) {
//MemCardEject(); // Eject memory card if present
if (bSaveRAM) {
//StatedAuto(1); // Save NV (or full) RAM
bSaveRAM = false;
}
ConfigGameSave();
// GameInpExit(); // Exit game input
BurnDrvExit(); // Exit the driver
}
}
BurnExtLoadRom = NULL;
bDrvOkay = 0; // Stop using the BurnDrv functions
//bRunPause = 0; // Don't pause when exitted
// if (bAudOkay) {
// // Write silence into the sound buffer on exit, and for drivers which don't use pBurnSoundOut
// memset(nAudNextSound, 0, nAudSegLen << 2);
// }
SndExit();
nBurnDrvSelect[0] = ~0U; // no driver selected
return 0;
}
void run_fba_emulator(const char *fn)
{
char build_version[] = "Finalburn Alpha Plus for Pi ("__DATE__")";
// process rom path and name
char romname[MAX_PATH];
if (BurnCacheInit(fn, romname))
goto finish;
if(config_options.option_showfps)
bShowFPS=true;
BurnLibInit();
// find rom by name
for (nBurnDrvSelect=0; nBurnDrvSelect<nBurnDrvCount; nBurnDrvSelect++)
if ( strcasecmp(romname, BurnDrvGetTextA(DRV_NAME)) == 0 )
break;
if (nBurnDrvSelect >= nBurnDrvCount) {
// unsupport rom ...
nBurnDrvSelect = ~0U;
logoutput ("rom not supported!\n");
printf ("rom not supported!\n");
goto finish;
}
logoutput("Attempt to initialise '%s'\n", BurnDrvGetTextA(DRV_FULLNAME));
memset (titlefb, 0, 320*240*2);
DrawString (build_version, (uint16*)&titlefb, 10, 20, 320);
DrawString ("Based on FinalBurnAlpha", (uint16*)&titlefb, 10, 35, 320);
DrawString ("Now loading ... ", (uint16 *)&titlefb, 10, 105, 320);
show_rom_loading_text("Open Zip", 0, 0);
memcpy (VideoBuffer, titlefb, 320*240*2);
pi_video_flip();
InpInit();
InpDIP();
VideoInit();
if (DrvInit(nBurnDrvSelect, false) != 0) {
logoutput ("Driver initialisation failed! Likely causes are:\n- Corrupt/Missing ROM(s)\n- I/O Error\n- Memory error\n\n");
printf ("Driver initialisation failed! Likely causes are:\n- Corrupt/Missing ROM(s)\n- I/O Error\n- Memory error\n\n");
goto finish;
}
RunReset();
frame_count = 0;
GameLooping = true;
EZX_StartTicks();
logoutput ("Lets go!\n");
logflush();
if (config_options.option_sound_enable)
{
int timer = 0, tick=0, i=0, fps = 0;
bool bRenderFrame;
if (SndOpen() == 0)
{
while (GameLooping)
{
if (bShowFPS)
{
timer = EZX_GetTicks();
if(timer-tick>1000000)
{
fps = nFramesRendered;
nFramesRendered = 0;
tick = timer;
}
}
//We need to render more audio:
bRenderFrame=true; // Render last frame
RunOneFrame(bRenderFrame,fps);
update_audio_stream(pBurnSoundOut);
pi_process_events();
}
}
}
else
{
int now, done=0, timer = 0, ticks=0, tick=0, i=0, fps = 0;
unsigned int frame_limit = nBurnFPS/100, frametime = 100000000/nBurnFPS;
while (GameLooping)
{
timer = EZX_GetTicks()/frametime;;
if(timer-tick>frame_limit && bShowFPS)
{
fps = nFramesRendered;
nFramesRendered = 0;
tick = timer;
}
now = timer;
ticks=now-done;
if(ticks<1) continue;
if(ticks>10) ticks=10;
for (i=0; i<ticks-1; i++)
{
RunOneFrame(false,fps);
}
if(ticks>=1)
{
RunOneFrame(true,fps);
}
done = now;
}
}
logoutput ("Finished emulating\n");
finish:
logoutput("---- Shutdown Finalburn Alpha plus ----\n\n");
DrvExit();
BurnLibExit();
if (config_options.option_sound_enable)
SndExit();
VideoExit();
InpExit();
BurnCacheExit();
}
