int BurnCacheRead(unsigned char * dst, int blockid)
{
if ( pBurnCacheFile ) {
show_rom_loading_text(bcHeader.blocks[blockid].desc, bcHeader.blocks[blockid+1].offset-bcHeader.blocks[blockid].offset, BurnCacheSize);
lseek( pBurnCacheFile, bcHeader.blocks[blockid].offset, SEEK_SET );
read( pBurnCacheFile, dst, bcHeader.blocks[blockid+1].offset - bcHeader.blocks[blockid].offset );
return 0;
}
return 1;
}
void * BurnCacheMap(int blockid)
{
if ( BurnCacheBase ) {
if ( (bcHeader.blocks[blockid+1].offset - bcHeader.blocks[blockid].offset) > 0 ) {
show_rom_loading_text(bcHeader.blocks[blockid].desc, bcHeader.blocks[blockid+1].offset-bcHeader.blocks[blockid].offset, BurnCacheSize);
return (unsigned char *)BurnCacheBase + bcHeader.blocks[blockid].offset;
} else return 0;
} else
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();
}
static int __cdecl BzipBurnLoadRom(unsigned char* Dest, int* pnWrote, int i)
{
struct BurnRomInfo ri;
int nWantZip = 0;
TCHAR szText[128];
char* pszRomName = NULL;
//int nRet = 0;
if (i < 0 || i >= nRomCount) {
return 1;
}
ri.nLen = 0;
BurnDrvGetRomInfo(&ri, i); // Get info
// show what we're doing
BurnDrvGetRomName(&pszRomName, i, 0);
if (pszRomName == NULL) {
pszRomName = "unknown";
}
sprintf(szText, "%-12s ... %4dKb", pszRomName, ri.nLen/1024 );
if (ri.nType & (BRF_PRG | BRF_GRA | BRF_SND | BRF_BIOS)) {
if (ri.nType & BRF_BIOS) {
sprintf (szText + strlen(szText), " %s", "BIOS ");
}
if (ri.nType & BRF_PRG) {
sprintf (szText + strlen(szText), " %s", "program ");
}
if (ri.nType & BRF_GRA) {
sprintf (szText + strlen(szText), " %s", "graphics ");
}
if (ri.nType & BRF_SND) {
sprintf (szText + strlen(szText), " %s", "sound ");
}
}
ProgressUpdateBurner(ri.nLen ? 1.0 / ((double)nTotalSize / ri.nLen) : 0, szText, 0);
// FIXME: eliminate later in favor of ProgressUpdateBurner
show_rom_loading_text(szText, ri.nLen, nTotalSize);
if (RomFind[i].nState == 0) { // Rom not found in zip at all
TCHAR szTemp[128] = _T("");
_stprintf(szTemp, "%s (not found)\n",szText);
fprintf(stderr,szTemp);
ProgressError(szTemp, 1);
return 1;
}
nWantZip = RomFind[i].nZip; // Which zip file it is in
if (nCurrentZip != nWantZip) { // If we haven't got the right zip file currently open
ZipClose();
nCurrentZip = -1;
if (ZipOpen(szBzipName[nWantZip])) {
printf("%s (open zip err: %s)\n", szText, szBzipName[nWantZip]);
return 1;
}
nCurrentZip = nWantZip;
}
// Read in file and return how many bytes we read
if (ZipLoadFile(Dest, ri.nLen, pnWrote, RomFind[i].nPos)) {
printf("%s (ERR)\n", szText);
return 1;
}
printf("%s (OK)\n", szText);
return 0;
}
static int __cdecl BzipBurnLoadRom(unsigned char* Dest, int* pnWrote, int i)
{
#if defined (BUILD_WIN32)
MSG Msg;
#endif
struct BurnRomInfo ri;
int nWantZip = 0;
TCHAR szText[128];
char* pszRomName = NULL;
int nRet = 0;
//printf("i=%d nRomCount=%d\n",i,nRomCount);
if (i < 0 || i >= nRomCount) {
return 1;
}
ri.nLen = 0;
BurnDrvGetRomInfo(&ri, i); // Get info
// show what we're doing
BurnDrvGetRomName(&pszRomName, i, 0);
if (pszRomName == NULL) {
pszRomName = "unknown";
}
_stprintf(szText, _T("Loading"));
if (ri.nType & 0x83) {
if (ri.nType & 0x80) {
_stprintf (szText + _tcslen(szText), _T(" %s"), _T("BIOS "));
}
if (ri.nType & 0x10) {
_stprintf (szText + _tcslen(szText), _T(" %s"), _T("program "));
}
if (ri.nType & 0x01) {
_stprintf (szText + _tcslen(szText), _T(" %s"), _T("graphics "));
}
if (ri.nType & 0x02) {
_stprintf (szText + _tcslen(szText), _T(" %s"), _T("sound "));
}
_stprintf(szText + _tcslen(szText), _T("(%hs)..."), pszRomName);
} else {
_stprintf(szText + _tcslen(szText), _T(" %hs..."), pszRomName);
}
ProgressUpdateBurner(ri.nLen ? 1.0 / ((double)nTotalSize / ri.nLen) : 0, szText, 0);
//fprintf(stderr,"%s (OK)\n", szText);
show_rom_loading_text(szText, ri.nLen, nTotalSize);
#if defined (BUILD_WIN32)
// Check for messages:
while (PeekMessage(&Msg, NULL, 0, 0, PM_REMOVE)) {
DispatchMessage(&Msg);
}
#endif
if (RomFind[i].nState == 0) { // Rom not found in zip at all
fprintf(stderr,"%s (not found) \n",szText);
show_rom_error_text(szText);
exit(0);
return 1;
}
nWantZip = RomFind[i].nZip; // Which zip file it is in
if (nCurrentZip != nWantZip) { // If we haven't got the right zip file currently open
ZipClose();
nCurrentZip = -1;
if (ZipOpen(TCHARToANSI(szBzipName[nWantZip], NULL, 0))) {
return 1;
}
nCurrentZip = nWantZip;
}
// Read in file and return how many bytes we read
if (ZipLoadFile(Dest, ri.nLen, pnWrote, RomFind[i].nPos)) {
// Error loading from the zip file
TCHAR szTemp[128] = _T("");
_stprintf(szTemp, _T("%s reading %.30hs from %.30s"), nRet == 2 ? _T("CRC error") : _T("Error"), pszRomName, GetFilenameW(szBzipName[nCurrentZip]));
AppError(szTemp, 1);
return 1;
}
fprintf(stderr,"%s (OK)\n", szText);
return 0;
}