bool SnesEmu::init(const QString &diskPath, QString *error) {
S9xSetSoundMute(FALSE);
setDefaultSettings();
S9xSetPlaybackRate();
m_frame = QImage(512, 239, QImage::Format_RGB16);
setVideoSrcRect(QRectF(0.0f, 0.0f, 256.0f, 224.f));
setFrameRate(60);
GFX.Pitch = 512 * 2;
GFX.RealPitch = 512 * 2;
GFX.PPL = GFX.Pitch >> 1;
GFX.PPLx2 = GFX.Pitch;
GFX.Screen = (u8 *)m_frame.bits();
GFX.SubScreen = (u8 *) malloc(GFX.RealPitch * 239);
GFX.ZBuffer = (u8 *) malloc(GFX.PPL * 239);
GFX.SubZBuffer = (u8 *) malloc(GFX.PPL * 239);
GFX.Delta = (GFX.SubScreen - GFX.Screen) >> 1;
if (!GFX.Screen || !GFX.SubScreen || !GFX.ZBuffer || !Memory.Init() || !S9xInitAPU() || !GFX.SubZBuffer ) {
*error = tr("SNES emulation init failed!");
return false;
}
S9xInitSound();
if (!S9xGraphicsInit()) {
*error = tr("SNES emulation init failed!");
return false;
}
S9xReset();
setDefaultSettings();
*error = setDisk(diskPath);
return error->isEmpty();
}
void snes_init()
{
memset(&Settings, 0, sizeof(Settings));
Settings.MouseMaster = TRUE;
Settings.SuperScopeMaster = TRUE;
Settings.JustifierMaster = TRUE;
Settings.MultiPlayer5Master = TRUE;
Settings.FrameTimePAL = 20000;
Settings.FrameTimeNTSC = 16667;
Settings.SixteenBitSound = TRUE;
Settings.Stereo = TRUE;
Settings.SoundPlaybackRate = 32000;
Settings.SoundInputRate = 32000;
Settings.SupportHiRes = TRUE;
Settings.Transparency = TRUE;
Settings.AutoDisplayMessages = TRUE;
Settings.InitialInfoStringTimeout = 120;
Settings.HDMATimingHack = 100;
Settings.BlockInvalidVRAMAccessMaster = TRUE;
Settings.StopEmulation = TRUE;
Settings.WrongMovieStateProtection = TRUE;
Settings.DumpStreamsMaxFrames = -1;
Settings.StretchScreenshots = 1;
Settings.SnapshotScreenshots = TRUE;
Settings.SkipFrames = AUTO_FRAMERATE;
Settings.TurboSkipFrames = 15;
Settings.CartAName[0] = 0;
Settings.CartBName[0] = 0;
Settings.AutoSaveDelay = 1;
CPU.Flags = 0;
if (!Memory.Init() || !S9xInitAPU())
{
Memory.Deinit();
S9xDeinitAPU();
fprintf(stderr, "[libsnes]: Failed to init Memory or APU.\n");
exit(1);
}
S9xInitSound(64, 0);
S9xSetSoundMute(FALSE);
S9xSetSamplesAvailableCallback(S9xAudioCallback, NULL);
S9xSetRenderPixelFormat(RGB555);
GFX.Pitch = 2048;
GFX.Screen = (uint16*) calloc(1, GFX.Pitch * 512 * sizeof(uint16));
S9xGraphicsInit();
S9xInitInputDevices();
for (int i = 0; i < 2; i++)
{
S9xSetController(i, CTL_JOYPAD, i, 0, 0, 0);
snes_devices[i] = SNES_DEVICE_JOYPAD;
}
S9xUnmapAllControls();
map_buttons();
}
void SNESSystem::SoundReset()
{
Settings.SoundPlaybackRate = soundSampleRate;
S9xInitSound(10, 0);
soundEnableFlag = 0xff;
soundEnableFlagOld = 0;
}
static void snes_init (void)
{
memset(&Settings, 0, sizeof(Settings));
Settings.SpeedhackGameID = SPEEDHACK_NONE;
Settings.Transparency = TRUE;
Settings.FrameTimePAL = 20000;
Settings.FrameTimeNTSC = 16667;
Settings.SoundPlaybackRate = 32000;
Settings.SoundInputRate = 32000;
Settings.HDMATimingHack = 100;
Settings.BlockInvalidVRAMAccessMaster = TRUE;
Settings.CartAName[0] = 0;
Settings.CartBName[0] = 0;
Settings.Crosshair = 1;
CPU.Flags = 0;
if (!Init() || !S9xInitAPU())
{
Deinit();
S9xDeinitAPU();
if (log_cb)
log_cb(RETRO_LOG_ERROR, "Failed to init Memory or APU.\n");
exit(1);
}
//very slow devices will still pop
//this needs to be applied to all snes9x cores
//increasing the buffer size does not cause extra lag(tested with 1000ms buffer)
//bool8 S9xInitSound (int buffer_ms, int lag_ms)
S9xInitSound(1000, 0);//just give it a 1 second buffer
S9xSetSamplesAvailableCallback(S9xAudioCallback);
GFX.Pitch = use_overscan ? 1024 : 2048; // FIXME: What is this supposed to do? Overscan has nothing to do with anything like this. If this is the Wii performance hack, it should be done differently.
#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)
/* request 128-bit alignment here if possible */
posix_memalign((void**)&GFX.Screen, 16, GFX.Pitch * 512 * sizeof(uint16));
#else
GFX.Screen = (uint16*) calloc(1, GFX.Pitch * 512 * sizeof(uint16));
#endif
S9xGraphicsInit();
retro_set_controller_port_device(0, RETRO_DEVICE_JOYPAD);
retro_set_controller_port_device(1, RETRO_DEVICE_JOYPAD);
S9xUnmapAllControls();
map_buttons();
/* Initialize SuperFX CPU to normal speed by default */
Settings.SuperFXSpeedPerLine = 0.417 * 10.5e6;
}
EXPORT void snes_init()
{
int i;
if(environ_cb)
{
unsigned pitch;
if (!environ_cb(SNES_ENVIRONMENT_GET_OVERSCAN, &use_overscan))
use_overscan = FALSE;
if (use_overscan)
{
struct snes_geometry geom = {256, 239, 512, 512};
environ_cb(SNES_ENVIRONMENT_SET_GEOMETRY, &geom);
pitch = 1024;
environ_cb(SNES_ENVIRONMENT_SET_PITCH, &pitch);
}
}
memset(&Settings, 0, sizeof(Settings));
Settings.FrameTimePAL = 20000;
Settings.FrameTimeNTSC = 16667;
Settings.SoundPlaybackRate = 32000;
Settings.SoundInputRate = 32000;
Settings.HDMATimingHack = 100;
Settings.BlockInvalidVRAMAccessMaster = TRUE;
Settings.CartAName[0] = 0;
Settings.CartBName[0] = 0;
Settings.Crosshair = 1;
CPU.Flags = 0;
if (!Init() || !S9xInitAPU())
{
Deinit();
S9xDeinitAPU();
fprintf(stderr, "[libsnes]: Failed to init Memory or APU.\n");
exit(1);
}
S9xInitSound(16, 0);
S9xSetSamplesAvailableCallback(S9xAudioCallback);
GFX.Pitch = use_overscan ? 1024 : 2048;
GFX.Screen = (uint16*) calloc(1, GFX.Pitch * 512 * sizeof(uint16));
S9xGraphicsInit();
for ( i = 0; i < 2; i++)
{
S9xSetController(i, CTL_JOYPAD, i, 0, 0, 0);
snes_devices[i] = SNES_DEVICE_JOYPAD;
}
S9xUnmapAllControls();
map_buttons();
}
void snes_init()
{
memset(&Settings, 0, sizeof(Settings));
Settings.MouseMaster = TRUE;
Settings.SuperScopeMaster = TRUE;
Settings.JustifierMaster = TRUE;
Settings.MultiPlayer5Master = TRUE;
Settings.FrameTimePAL = 20000;
Settings.FrameTimeNTSC = 16667;
Settings.SoundPlaybackRate = 32000;
Settings.SoundInputRate = 32000;
Settings.AutoDisplayMessages = TRUE;
Settings.InitialInfoStringTimeout = 120;
Settings.HDMATimingHack = 100;
Settings.BlockInvalidVRAMAccessMaster = TRUE;
Settings.CartAName[0] = 0;
Settings.CartBName[0] = 0;
Settings.AutoSaveDelay = 1;
CPU.Flags = 0;
if (!Memory.Init() || !S9xInitAPU())
{
Memory.Deinit();
S9xDeinitAPU();
fprintf(stderr, "[libsnes]: Failed to init Memory or APU.\n");
exit(1);
}
S9xInitSound(16, 0);
S9xSetSamplesAvailableCallback(S9xAudioCallback);
S9xSetRenderPixelFormat(RGB555);
GFX.Pitch = 2048;
GFX.Screen = (uint16*) calloc(1, GFX.Pitch * 512 * sizeof(uint16));
S9xGraphicsInit();
S9xInitInputDevices();
for (int i = 0; i < 2; i++)
{
S9xSetController(i, CTL_JOYPAD, i, 0, 0, 0);
snes_devices[i] = SNES_DEVICE_JOYPAD;
}
S9xUnmapAllControls();
map_buttons();
}
static void InitSnes9X()
{
WinSetDefaultValues ();
// Sound options
Settings.SoundSync = TRUE;
Settings.Mute = FALSE;
Settings.SoundPlaybackRate = 32000;
Settings.SixteenBitSound = TRUE;
Settings.Stereo = TRUE;
Settings.ReverseStereo = FALSE;
Memory.Init();
S9xInitAPU();
S9xInitSound(10, 0);
}
static void S9xInit()
{
if (!Memory.Init () || !S9xInitAPU())
DIE("Memory or APU failed");
if (!S9xInitSound ())
DIE("Sound failed");
S9xSetSoundMute (TRUE);
// TODO: PAL/NTSC something better than this
Settings.PAL = Settings.ForcePAL;
Settings.FrameTime = Settings.PAL?Settings.FrameTimePAL:Settings.FrameTimeNTSC;
Memory.ROMFramesPerSecond = Settings.PAL?50:60;
IPPU.RenderThisFrame = TRUE;
}
extern "C" int SIStartWithROM(char* rom_filename)
{
// notify that we're running
SI_EmulationIsRunning = 1;
// frameskip settings reset
SI_NextFrameTime = (timeval){0, 0};
SI_FrameTimeDebt = 0;
SI_SleptLastFrame = 0;
// ensure dirs exist
mode_t dir_mode = S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH;
mkdir(SI_SRAMPath, dir_mode);
// unix init
ZeroMemory(&Settings, sizeof(Settings));
Settings.MouseMaster = TRUE;
Settings.SuperScopeMaster = TRUE;
Settings.JustifierMaster = TRUE;
Settings.MultiPlayer5Master = TRUE;
Settings.FrameTimePAL = 20000;
Settings.FrameTimeNTSC = 16667;
Settings.SixteenBitSound = TRUE;
Settings.Stereo = TRUE;
//Settings.Stereo = FALSE;
Settings.SoundPlaybackRate = 32000;
//Settings.SoundPlaybackRate = 22050;
//Settings.SoundInputRate = 32000;
Settings.SoundInputRate = 32000;
Settings.SoundSync = FALSE;
Settings.SupportHiRes = TRUE;
Settings.Transparency = TRUE;
Settings.AutoDisplayMessages = TRUE;
Settings.InitialInfoStringTimeout = 120;
Settings.HDMATimingHack = 100;
Settings.BlockInvalidVRAMAccessMaster = TRUE;
Settings.StopEmulation = TRUE;
Settings.WrongMovieStateProtection = TRUE;
Settings.DumpStreamsMaxFrames = -1;
Settings.StretchScreenshots = 1;
Settings.SnapshotScreenshots = TRUE;
if(SI_AutoFrameskip)
Settings.SkipFrames = AUTO_FRAMERATE;
else
Settings.SkipFrames = SI_Frameskip;
//Settings.SkipFrames = 1;
Settings.TurboSkipFrames = 15;
Settings.CartAName[0] = 0;
Settings.CartBName[0] = 0;
#ifdef NETPLAY_SUPPORT
Settings.ServerName[0] = 0;
#endif
CPU.Flags = 0;
/*S9xLoadConfigFiles(argv, argc);
rom_filename = S9xParseArgs(argv, argc);
make_snes9x_dirs();*/
if (!Memory.Init() || !S9xInitAPU())
{
fprintf(stderr, "Snes9x: Memory allocation failure - not enough RAM/virtual memory available.\nExiting...\n");
Memory.Deinit();
S9xDeinitAPU();
exit(1);
}
int samplecount = Settings.SoundPlaybackRate/(Settings.PAL ? 50 : 60);
int soundBufferSize = samplecount<<(1+(Settings.Stereo?1:0));
S9xInitSound(soundBufferSize, 0);
S9xSetSoundMute(TRUE);
S9xReset();
S9xUnmapAllControls();
S9xSetController(0, CTL_JOYPAD, 0, 0, 0, 0);
//S9xSetController(1, CTL_JOYPAD, 1, 0, 0, 0);
s9xcommand_t cmd;
ASSIGN_BUTTONf(SIOS_X, "Joypad1 X");
ASSIGN_BUTTONf(SIOS_A, "Joypad1 A");
ASSIGN_BUTTONf(SIOS_B, "Joypad1 B");
ASSIGN_BUTTONf(SIOS_Y, "Joypad1 Y");
ASSIGN_BUTTONf(SIOS_L, "Joypad1 L");
ASSIGN_BUTTONf(SIOS_R, "Joypad1 R");
ASSIGN_BUTTONf(SIOS_SELECT, "Joypad1 Select");
ASSIGN_BUTTONf(SIOS_START, "Joypad1 Start");
ASSIGN_BUTTONf(SIOS_UP, "Joypad1 Up");
ASSIGN_BUTTONf(SIOS_DOWN, "Joypad1 Down");
ASSIGN_BUTTONf(SIOS_LEFT, "Joypad1 Left");
ASSIGN_BUTTONf(SIOS_RIGHT, "Joypad1 Right");
S9xReportControllers();
#ifdef GFX_MULTI_FORMAT
S9xSetRenderPixelFormat(RGB565);
#endif
uint32 saved_flags = CPU.Flags;
bool8 loaded = FALSE;
if (Settings.Multi)
{
loaded = Memory.LoadMultiCart(Settings.CartAName, Settings.CartBName);
if (!loaded)
{
char s1[PATH_MAX + 1], s2[PATH_MAX + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
s1[0] = s2[0] = 0;
if (Settings.CartAName[0])
{
_splitpath(Settings.CartAName, drive, dir, fname, ext);
snprintf(s1, PATH_MAX + 1, "%s%s%s", S9xGetDirectory(ROM_DIR), SLASH_STR, fname);
if (ext[0] && (strlen(s1) <= PATH_MAX - 1 - strlen(ext)))
{
strcat(s1, ".");
strcat(s1, ext);
}
}
if (Settings.CartBName[0])
{
_splitpath(Settings.CartBName, drive, dir, fname, ext);
snprintf(s2, PATH_MAX + 1, "%s%s%s", S9xGetDirectory(ROM_DIR), SLASH_STR, fname);
if (ext[0] && (strlen(s2) <= PATH_MAX - 1 - strlen(ext)))
{
strcat(s2, ".");
strcat(s2, ext);
}
}
loaded = Memory.LoadMultiCart(s1, s2);
}
}
else
if (rom_filename)
{
char rom_path[1024] = {0};
sprintf(rom_path,"%s%s%s",SI_DocumentsPath,DIR_SEPERATOR,rom_filename);
loaded = Memory.LoadROM(rom_path);
/*if (!loaded && rom_filename[0])
{
char s[PATH_MAX + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
_splitpath(rom_filename, drive, dir, fname, ext);
snprintf(s, PATH_MAX + 1, "%s%s%s", S9xGetDirectory(ROM_DIR), SLASH_STR, fname);
if (ext[0] && (strlen(s) <= PATH_MAX - 1 - strlen(ext)))
{
strcat(s, ".");
strcat(s, ext);
}
loaded = Memory.LoadROM(s);
}*/
}
if (!loaded)
{
fprintf(stderr, "Error opening the ROM file.\n");
exit(1);
}
//NSRTControllerSetup();
//Memory.LoadSRAM(S9xGetFilename(".srm", SRAM_DIR));
SILoadSRAM();
//S9xLoadCheatFile(S9xGetFilename(".cht", CHEAT_DIR));
CPU.Flags = saved_flags;
Settings.StopEmulation = FALSE;
#ifdef DEBUGGER
struct sigaction sa;
sa.sa_handler = sigbrkhandler;
#ifdef SA_RESTART
sa.sa_flags = SA_RESTART;
#else
sa.sa_flags = 0;
#endif
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
#endif
GFX.Pitch = SNES_WIDTH*2;
/*vrambuffer = (uint8*) malloc (GFX.Pitch * SNES_HEIGHT_EXTENDED*2);
memset (vrambuffer, 0, GFX.Pitch * SNES_HEIGHT_EXTENDED*2);
GFX.Screen = (uint16*)vrambuffer;*/
S9xGraphicsInit();
#ifdef NETPLAY_SUPPORT
if (strlen(Settings.ServerName) == 0)
{
char *server = getenv("S9XSERVER");
if (server)
{
strncpy(Settings.ServerName, server, 127);
Settings.ServerName[127] = 0;
}
}
char *port = getenv("S9XPORT");
if (Settings.Port >= 0 && port)
Settings.Port = atoi(port);
else
if (Settings.Port < 0)
Settings.Port = -Settings.Port;
if (Settings.NetPlay)
{
NetPlay.MaxFrameSkip = 10;
if (!S9xNPConnectToServer(Settings.ServerName, Settings.Port, Memory.ROMName))
{
fprintf(stderr, "Failed to connect to server %s on port %d.\n", Settings.ServerName, Settings.Port);
S9xExit();
}
fprintf(stderr, "Connected to server %s on port %d as player #%d playing %s.\n", Settings.ServerName, Settings.Port, NetPlay.Player, Memory.ROMName);
}
#endif
// HACK: disabling SMV
/*if (play_smv_filename)
{
uint32 flags = CPU.Flags & (DEBUG_MODE_FLAG | TRACE_FLAG);
if (S9xMovieOpen(play_smv_filename, TRUE) != SUCCESS)
exit(1);
CPU.Flags |= flags;
}
else
if (record_smv_filename)
{
uint32 flags = CPU.Flags & (DEBUG_MODE_FLAG | TRACE_FLAG);
if (S9xMovieCreate(record_smv_filename, 0xFF, MOVIE_OPT_FROM_RESET, NULL, 0) != SUCCESS)
exit(1);
CPU.Flags |= flags;
}
else
if (snapshot_filename)
{
uint32 flags = CPU.Flags & (DEBUG_MODE_FLAG | TRACE_FLAG);
if (!S9xUnfreezeGame(snapshot_filename))
exit(1);
CPU.Flags |= flags;
}*/
//S9xGraphicsMode();
sprintf(String, "\"%s\" %s: %s", Memory.ROMName, TITLE, VERSION);
//S9xSetTitle(String);
#ifdef JOYSTICK_SUPPORT
uint32 JoypadSkip = 0;
#endif
SILoadRunningStateForGameNamed(rom_filename);
SI_EmulationPaused = 0;
//if(SI_SoundOn)
SIDemuteSound(soundBufferSize);
S9xSetSoundMute(FALSE);
#ifdef NETPLAY_SUPPORT
bool8 NP_Activated = Settings.NetPlay;
#endif
while (1)
{
#ifdef NETPLAY_SUPPORT
if (NP_Activated)
{
if (NetPlay.PendingWait4Sync && !S9xNPWaitForHeartBeatDelay(100))
{
S9xProcessEvents(FALSE);
continue;
}
for (int J = 0; J < 8; J++)
old_joypads[J] = MovieGetJoypad(J);
for (int J = 0; J < 8; J++)
MovieSetJoypad(J, joypads[J]);
if (NetPlay.Connected)
{
if (NetPlay.PendingWait4Sync)
{
NetPlay.PendingWait4Sync = FALSE;
NetPlay.FrameCount++;
S9xNPStepJoypadHistory();
}
}
else
{
fprintf(stderr, "Lost connection to server.\n");
S9xExit();
}
}
#endif
#ifdef DEBUGGER
if (!Settings.Paused || (CPU.Flags & (DEBUG_MODE_FLAG | SINGLE_STEP_FLAG)))
#else
if (!Settings.Paused && !SI_EmulationPaused)
#endif
{
S9xMainLoop();
}
#ifdef NETPLAY_SUPPORT
if (NP_Activated)
{
for (int J = 0; J < 8; J++)
MovieSetJoypad(J, old_joypads[J]);
}
#endif
#ifdef DEBUGGER
if(Settings.Paused || (CPU.Flags & DEBUG_MODE_FLAG))
#else
if(Settings.Paused || SI_EmulationPaused)
#endif
S9xSetSoundMute(TRUE);
#ifdef DEBUGGER
if (CPU.Flags & DEBUG_MODE_FLAG)
S9xDoDebug();
else
#endif
if(Settings.Paused || SI_EmulationPaused || !SI_EmulationRun)
{
SISaveSRAM();
SISaveRunningStateForGameNamed(rom_filename);
SI_EmulationDidPause = 1;
do {
//S9xProcessEvents(FALSE);
if(!SI_EmulationRun)
break;
usleep(100000);
} while (SI_EmulationPaused);
if(!SI_EmulationRun)
{
SISaveSRAM();
SISaveRunningStateForGameNamed(rom_filename);
SIMuteSound();
S9xGraphicsDeinit();
Memory.Deinit();
S9xDeinitAPU();
break;
}
}
#ifdef JOYSTICK_SUPPORT
if (unixSettings.JoystickEnabled && (JoypadSkip++ & 1) == 0)
ReadJoysticks();
#endif
//S9xProcessEvents(FALSE);
#ifdef DEBUGGER
if(!Settings.Paused && !(CPU.Flags & DEBUG_MODE_FLAG))
#else
if(!Settings.Paused && !SI_EmulationPaused)
#endif
S9xSetSoundMute(FALSE);
}
SI_EmulationIsRunning = 0;
return (0);
}
void SNES9X_InitSound(void)
{
S9xInitSound(1, Settings.Stereo, 2048);
}
void SNES9X_InitSound (void)
{
S9xInitSound(0);
}
void SNES9X_InitSound (void)
{
S9xInitSound(macSoundBuffer_ms, macSoundLagEnable ? macSoundBuffer_ms / 2 : 0);
}
static
int Run(int sound)
{
int skip=0, done=0, doneLast=0,aim=0,i;
Settings.NextAPUEnabled = Settings.APUEnabled = sound;
sal_TimerInit(Settings.FrameTime);
done=sal_TimerRead()-1;
if (sound) {
/*
Settings.SoundPlaybackRate = mMenuOptions.soundRate;
Settings.Stereo = mMenuOptions.stereo ? TRUE : FALSE;
*/
Settings.SixteenBitSound=true;
sal_AudioInit(mMenuOptions.soundRate, 16,
mMenuOptions.stereo, Memory.ROMFramesPerSecond);
S9xInitSound (mMenuOptions.soundRate,
mMenuOptions.stereo, sal_AudioGetBufferSize());
S9xSetPlaybackRate(mMenuOptions.soundRate);
S9xSetSoundMute (FALSE);
} else {
S9xSetSoundMute (TRUE);
}
while(!mEnterMenu)
{
for (i=0;i<10;i++)
{
aim=sal_TimerRead();
if (done < aim)
{
done++;
if (mMenuOptions.frameSkip == 0) //Auto
IPPU.RenderThisFrame = (done >= aim);
else if (IPPU.RenderThisFrame = (--skip <= 0))
skip = mMenuOptions.frameSkip;
//Run SNES for one glorious frame
S9xMainLoop ();
if (sound) {
S9xMixSamples((uint8 *) sal_GetCurrentAudioBuffer(),
sal_AudioGetSampleCount());
sal_SubmitSamples();
}
// HandleQuickStateRequests();
}
if (done>=aim) break; // Up to date now
if (mEnterMenu) break;
}
done=aim; // Make sure up to date
HandleQuickStateRequests();
}
if (sound)
sal_AudioClose();
mEnterMenu=0;
return mEnterMenu;
}
