/**
* Reset ST emulator states, chips, interrupts and registers.
* Return zero or negative TOS image load error code.
*/
static const char* Reset_ST(bool bCold)
{
if (bCold)
{
const char* error_str;
error_str=memory_init(ConfigureParams.Memory.nMemoryBankSize);
if (error_str!=NULL) {
return error_str;
}
}
CycInt_Reset(); /* Reset interrupts */
Video_Reset(); /* Reset video */
TMC_Reset(); /* Reset TMC Registers */
SCR_Reset(); /* Reset System Control Registers */
nvram_init(); /* Reset NVRAM */
SCSI_Reset(); /* Reset SCSI disks */
MO_Reset(); /* Reset MO disks */
Floppy_Reset(); /* Reset Floppy disks */
SCC_Reset(2); /* Reset SCC */
Ethernet_Reset(true); /* Reset Ethernet */
Sound_Reset(); /* Reset Sound */
Screen_Reset(); /* Reset screen */
DSP_Reset(); /* Reset DSP */
M68000_Reset(bCold); /* Reset CPU */
DebugCpu_SetDebugging(); /* Re-set debugging flag if needed */
return NULL;
}
/*
================
FS_OpenStream
open and reading basic info from sound stream
================
*/
stream_t *FS_OpenStream( const char *filename )
{
const char *ext = FS_FileExtension( filename );
string path, loadname;
qboolean anyformat = true;
const streamfmt_t *format;
stream_t *stream;
Sound_Reset(); // clear old streaminfo
Q_strncpy( loadname, filename, sizeof( loadname ));
if( Q_stricmp( ext, "" ))
{
// we needs to compare file extension with list of supported formats
// and be sure what is real extension, not a filename with dot
for( format = sound.streamformat; format && format->formatstring; format++ )
{
if( !Q_stricmp( format->ext, ext ))
{
FS_StripExtension( loadname );
anyformat = false;
break;
}
}
}
// now try all the formats in the selected list
for( format = sound.streamformat; format && format->formatstring; format++)
{
if( anyformat || !Q_stricmp( ext, format->ext ))
{
Q_sprintf( path, format->formatstring, loadname, "", format->ext );
if(( stream = format->openfunc( path )) != NULL )
{
stream->format = format;
return stream; // done
}
}
}
if( !sound.streamformat || sound.streamformat->ext == NULL )
MsgDev( D_NOTE, "FS_OpenStream: soundlib offline\n" );
else MsgDev( D_NOTE, "FS_OpenStream: couldn't open \"%s\"\n", loadname );
return NULL;
}
/**
* Shortcut to sound on/off
*/
static void ShortCut_SoundOnOff(void)
{
ConfigureParams.Sound.bEnableSound = !ConfigureParams.Sound.bEnableSound;
Sound_Reset();
}
/*
================
FS_LoadSound
loading and unpack to wav any known sound
================
*/
wavdata_t *FS_LoadSound( const char *filename, const byte *buffer, size_t size )
{
const char *ext = FS_FileExtension( filename );
string path, loadname;
qboolean anyformat = true;
int filesize = 0;
const loadwavfmt_t *format;
byte *f;
Sound_Reset(); // clear old sounddata
Q_strncpy( loadname, filename, sizeof( loadname ));
if( Q_stricmp( ext, "" ))
{
// we needs to compare file extension with list of supported formats
// and be sure what is real extension, not a filename with dot
for( format = sound.loadformats; format && format->formatstring; format++ )
{
if( !Q_stricmp( format->ext, ext ))
{
FS_StripExtension( loadname );
anyformat = false;
break;
}
}
}
// HACKHACK: skip any checks, load file from buffer
if( filename[0] == '#' && buffer && size ) goto load_internal;
// now try all the formats in the selected list
for( format = sound.loadformats; format && format->formatstring; format++)
{
if( anyformat || !Q_stricmp( ext, format->ext ))
{
Q_sprintf( path, format->formatstring, loadname, "", format->ext );
f = FS_LoadFile( path, &filesize, false );
if( f && filesize > 0 )
{
if( format->loadfunc( path, f, filesize ))
{
Mem_Free(f); // release buffer
return SoundPack(); // loaded
}
else Mem_Free(f); // release buffer
}
}
}
load_internal:
for( format = sound.loadformats; format && format->formatstring; format++ )
{
if( anyformat || !Q_stricmp( ext, format->ext ))
{
if( buffer && size > 0 )
{
if( format->loadfunc( loadname, buffer, size ))
return SoundPack(); // loaded
}
}
}
if( !sound.loadformats || sound.loadformats->ext == NULL )
MsgDev( D_NOTE, "FS_LoadSound: soundlib offline\n" );
else if( filename[0] != '#' )
MsgDev( D_WARN, "FS_LoadSound: couldn't load \"%s\"\n", loadname );
return NULL;
}
/**
* Reset ST emulator states, chips, interrupts and registers.
* Return zero or negative TOS image load error code.
*/
static int Reset_ST(bool bCold)
{
if (bCold)
{
int ret;
Floppy_GetBootDrive(); /* Find which device to boot from (A: or C:) */
ret = TOS_LoadImage(); /* Load TOS, writes into cartridge memory */
if (ret)
return ret; /* If we can not load a TOS image, return now! */
Cart_ResetImage(); /* Load cartridge program into ROM memory. */
Cart_Patch();
}
CycInt_Reset(); /* Reset interrupts */
MFP_Reset(); /* Setup MFP chip */
Video_Reset(); /* Reset video */
VDI_Reset(); /* Reset internal VDI variables */
NvRam_Reset(); /* reset NvRAM (video) settings */
GemDOS_Reset(); /* Reset GEMDOS emulation */
if (bCold)
{
FDC_Reset( bCold ); /* Reset FDC */
}
Floppy_Reset(); /* Reset Floppy */
if (ConfigureParams.System.nMachineType == MACHINE_FALCON
|| ConfigureParams.System.nMachineType == MACHINE_TT)
{
Ncr5380_Reset();
}
if (ConfigureParams.System.nMachineType == MACHINE_FALCON)
{
DSP_Reset(); /* Reset the DSP */
Crossbar_Reset(bCold); /* Reset Crossbar sound */
}
else
DmaSnd_Reset(bCold); /* Reset DMA sound */
PSG_Reset(); /* Reset PSG */
Sound_Reset(); /* Reset Sound */
ACIA_Reset( ACIA_Array ); /* ACIA */
IKBD_Reset(bCold); /* Keyboard (after ACIA) */
if (ConfigureParams.System.nMachineType == MACHINE_FALCON && !bUseVDIRes)
VIDEL_reset();
else
Screen_Reset(); /* Reset screen */
M68000_Reset(bCold); /* Reset CPU */
DebugCpu_SetDebugging(); /* Re-set debugging flag if needed */
DebugDsp_SetDebugging();
Midi_Reset();
#if defined(__linux__)
nf_scsidrv_reset();
#endif
/* Start HBL, Timer B and VBL interrupts with a 0 cycle delay */
Video_StartInterrupts( 0 );
return 0;
}
/**
* Copy details back to configuration and perform reset.
*/
bool Change_CopyChangedParamsToConfiguration(CNF_PARAMS *current, CNF_PARAMS *changed, bool bForceReset)
{
bool NeedReset;
bool bReInitSCSIEmu = false;
bool bReInitEnetEmu = false;
bool bReInitSoundEmu = false;
bool bReInitIoMem = false;
bool bScreenModeChange = false;
int i;
Dprintf("Changes for:\n");
/* Do we need to warn user that changes will only take effect after reset? */
if (bForceReset)
NeedReset = bForceReset;
else
NeedReset = Change_DoNeedReset(current, changed);
/* Do we need to change SCSI disks? */
for (i = 0; i < ESP_MAX_DEVS; i++) {
if (!NeedReset &&
(current->SCSI.target[i].bDiskInserted != changed->SCSI.target[i].bDiskInserted ||
current->SCSI.target[i].bWriteProtected != changed->SCSI.target[i].bWriteProtected ||
strcmp(current->SCSI.target[i].szImageName, changed->SCSI.target[i].szImageName))) {
bReInitSCSIEmu = true;
break;
}
}
/* Note: MO and floppy disk insert/eject called from GUI */
/* Do we need to change Ethernet connection? */
if (!NeedReset && current->Ethernet.bEthernetConnected != changed->Ethernet.bEthernetConnected) {
bReInitEnetEmu = true;
}
/* Do we need to change Sound configuration? */
if (!NeedReset &&
(current->Sound.bEnableSound != changed->Sound.bEnableSound ||
current->Sound.bEnableMicrophone != changed->Sound.bEnableMicrophone)) {
bReInitSoundEmu = true;
}
/* Copy details to configuration,
* so it can be saved out or set on reset
*/
if (changed != &ConfigureParams)
{
ConfigureParams = *changed;
}
/* Copy details to global, if we reset copy them all */
Configuration_Apply(NeedReset);
/* Check if all necessary files exist */
Dialog_CheckFiles();
if (bQuitProgram)
{
SDL_Quit();
exit(-2);
}
/* Re-init IO memory map? */
if (bReInitIoMem)
{
Dprintf("- IO mem<\n");
IoMem_Init();
}
/* Re-init SCSI disks? */
if (bReInitSCSIEmu) {
Dprintf("- SCSI disks<\n");
SCSI_Reset();
}
/* Re-init Ethernet? */
if (bReInitEnetEmu) {
Dprintf("- Ethernet<\n");
Ethernet_Reset(false);
}
/* Re-init Sound? */
if (bReInitSoundEmu) {
Dprintf("- Sound<\n");
Sound_Reset();
}
/* Force things associated with screen change */
if (bScreenModeChange)
{
Dprintf("- screenmode<\n");
Screen_ModeChanged();
}
/* Do we need to perform reset? */
if (NeedReset)
{
const char *err_msg;
Dprintf("- reset\n");
err_msg=Reset_Cold();
// if (err_msg!=NULL) {
// DlgAlert_Notice(err_msg);
// return false;
// }
}
/* Go into/return from full screen if flagged */
if (!bInFullScreen && ConfigureParams.Screen.bFullScreen)
Screen_EnterFullScreen();
else if (bInFullScreen && !ConfigureParams.Screen.bFullScreen)
Screen_ReturnFromFullScreen();
/* update statusbar info (CPU, MHz, mem etc) */
Statusbar_UpdateInfo();
Dprintf("done.\n");
return true;
}