/**
* 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;
}
/* Handle a control c by either exiting pdmenu or doing nothing. */
void Handle_Ctrl_C() {
if (Q_Exits) {
Screen_Reset();
#ifdef GPM_SUPPORT
EndMouse();
#endif
exit(0);
}
}
/**
* 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;
}
/*
* Run a command from the menus.
*/
void RunCommand (Menu_Item_Type *i) {
char *command;
int must_redraw=0;
Conditional_String *cs=NULL;
Window_List_Type *this_window=CurrentWindow;
if (i->command[0] != '\0') { /* don't try to run a null command */
if (i->edit_flag) { /* edit command on fly */
cs=EditTags(i->command);
if (cs->ignore) { /* user hit escape */
free(cs->value);
free(cs);
return;
}
else { /* user hit enter */
command=malloc(strlen(cs->value)+1);
strcpy(command,cs->value);
free(cs->value);
free(cs);
}
}
else { /* don't edit command on fly */
command=malloc(strlen(i->command)+1);
strcpy(command,i->command);
}
#ifdef SETENV_FLAG_OK
if (i->setenv_flag) { /* a setenv command */
RunSetenv(command);
}
else
#endif
if (i->makemenu_flag) { /* process command output as rc file */
ReadRc(command,RC_PREPROC);
SanityCheckMenus();
/*
* make sure that all modified menus currently on screen
* get recalced.
*/
while (this_window) {
if (this_window->menu->recalc) {
CalcMenu(this_window->menu);
must_redraw=1;
}
this_window=this_window->last;
}
if (must_redraw)
DrawAll();
}
else if (i->truncate_flag) { /* display in a window and truncate */
RunShow(i->text,command,1);
}
else if (i->display_flag) { /* display in a window and wrap. */
RunShow(i->text,command,0);
}
else { /* normal display */
if (! i->noclear_flag) {
/* clear screen */
SLsmg_cls();
SLsmg_normal_video();
Screen_Reset();
#ifdef GPM_SUPPORT
EndMouse(); /* return to normal GPM/selection mode */
#endif
}
/*
* This is what the whole pdmenu program comes down to.
* The rest is fluff. ;-)
*/
/*
* start: Steve Blott ([email protected])
*
* add capability to exec() (rather than system()) a command, thereby
* replacing the current process; if the first word of command is
* "exec", then exec() it, otherwise system() it
*/
char *cp = command;
while (isspace(cp[0]))
cp++;
if ( strncmp(cp, "exec", 4) == 0 && isspace(cp[4]) )
{
char *cv[4]; /* command vector */
cv[0] = "sh";
cv[1] = "-c";
cv[2] = cp;
cv[3] = 0;
execvp(cv[0],cv);
/* should not reach here; if the execvp fails, then pdmenu will
* continue to run, silently ignoring the failure; if the execvp
* succeeds but the subsequent exec fails, then pdmenu will silently
* disappear (its process no longer exists), and no feedback will be
* received */
}
else
system(command);
if (! i->noclear_flag) { /* redraw screen */
Screen_Init();
if (i->pause_flag) { /* pause 1st */
printf("\n%s",_("Press Enter to return to Pdmenu."));
fflush(stdout); /* make sure above is displayed. */
/* Now wait for the keypress. */
while (1) {
int k;
k = SLang_getkey();
if (k == '\n' || k == '\r') {
break;
}
}
SLang_flush_input(); /* kill any buffered input */
printf("\n");
}
#ifdef GPM_SUPPORT
gpm_ok=InitMouse(); /* grab mouse pointer again. */
#endif
/*
* we need to account for the screen size changing behind our backs
* while the program was running.
*/
SetScreensize();
Resize_Screen();
DrawAll();
}
}
free(command);
}
}