HatariWii/src/reset.c

130 lines
3.3 KiB
C

/*
Hatari
This file is distributed under the GNU General Public License, version 2
or at your option any later version. Read the file gpl.txt for details.
Reset emulation state.
*/
const char Reset_fileid[] = "Hatari reset.c : " __DATE__ " " __TIME__;
#include "main.h"
#include "configuration.h"
#include "cart.h"
#include "dmaSnd.h"
#include "crossbar.h"
#include "fdc.h"
#include "floppy.h"
#include "gemdos.h"
#include "hdc.h"
#include "acia.h"
#include "ikbd.h"
#include "cycInt.h"
#include "m68000.h"
#include "mfp.h"
#include "midi.h"
#include "psg.h"
#include "reset.h"
#include "screen.h"
#include "sound.h"
#include "stMemory.h"
#include "tos.h"
#include "vdi.h"
#include "nvram.h"
#include "video.h"
#include "falcon/videl.h"
#include "falcon/dsp.h"
#include "debugcpu.h"
#include "debugdsp.h"
/*-----------------------------------------------------------------------*/
/**
* 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();
/* Start HBL, Timer B and VBL interrupts with a 0 cycle delay */
Video_StartInterrupts( 0 );
return 0;
}
/*-----------------------------------------------------------------------*/
/**
* Cold reset ST (reset memory, all registers and reboot)
*/
int Reset_Cold(void)
{
/* Set mouse pointer to the middle of the screen */
Main_WarpMouse(sdlscrn->w/2, sdlscrn->h/2, false);
return Reset_ST(true);
}
/*-----------------------------------------------------------------------*/
/**
* Warm reset ST (reset registers, leave in same state and reboot)
*/
int Reset_Warm(void)
{
return Reset_ST(false);
}