/**
* Reset custom chips
* In case the RESET instruction is called, we must reset all the peripherals
* connected to the CPU's reset pin.
*/
void customreset(void)
{
pendingInterrupts = 0;
/* Reset the IKBD */
IKBD_Reset ( false );
/* Reseting the GLUE video chip should also set freq/res register to 0 */
Video_Reset_Glue ();
/* Reset the YM2149 (stop any sound) */
PSG_Reset ();
/* Reset the MFP */
MFP_Reset ();
/* Reset the FDC */
FDC_Reset ( false );
}
/**
* 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;
}
