void ChangeWindowMode(void) // TOGGLE FULLSCREEN - WINDOW
{
DoClearScreenBuffer();
bChangeWinMode = FALSE;
bDoVSyncUpdate = TRUE;
}
void ChangeDispOffsetsY(void) // Y CENTER
{
int iT,iO=PreviousPSXDisplay.Range.y0;
int iOldYOffset=PreviousPSXDisplay.DisplayModeNew.y;
// new
if((PreviousPSXDisplay.DisplayModeNew.x+PSXDisplay.DisplayModeNew.y)>512)
{
int dy1=512-PreviousPSXDisplay.DisplayModeNew.x;
int dy2=(PreviousPSXDisplay.DisplayModeNew.x+PSXDisplay.DisplayModeNew.y)-512;
if(dy1>=dy2)
{
PreviousPSXDisplay.DisplayModeNew.y=-dy2;
}
else
{
PSXDisplay.DisplayPosition.y=0;
PreviousPSXDisplay.DisplayModeNew.y=-dy1;
}
}
else PreviousPSXDisplay.DisplayModeNew.y=0;
// eon
if(PreviousPSXDisplay.DisplayModeNew.y!=iOldYOffset) // if old offset!=new offset: recalc height
{
PSXDisplay.Height = PSXDisplay.Range.y1 -
PSXDisplay.Range.y0 +
PreviousPSXDisplay.DisplayModeNew.y;
PSXDisplay.DisplayModeNew.y=PSXDisplay.Height*PSXDisplay.Double;
}
//
if(PSXDisplay.PAL) iT=48; else iT=28;
if(PSXDisplay.Range.y0>=iT)
{
PreviousPSXDisplay.Range.y0=
(short)((PSXDisplay.Range.y0-iT-4)*PSXDisplay.Double);
if(PreviousPSXDisplay.Range.y0<0)
PreviousPSXDisplay.Range.y0=0;
PSXDisplay.DisplayModeNew.y+=
PreviousPSXDisplay.Range.y0;
}
else
PreviousPSXDisplay.Range.y0=0;
if(iO!=PreviousPSXDisplay.Range.y0)
{
DoClearScreenBuffer();
}
}
void ChangeDispOffsetsX(void) // X CENTER
{
long lx, l;
if (!PSXDisplay.Range.x1) return;
l = PreviousPSXDisplay.DisplayMode.x;
l *= (long) PSXDisplay.Range.x1;
l /= 2560;
lx = l;
l &= 0xfffffff8;
if (l == PreviousPSXDisplay.Range.y1) return; // abusing range.y1 for
PreviousPSXDisplay.Range.y1 = (short) l; // storing last x range and test
if (lx >= PreviousPSXDisplay.DisplayMode.x) {
PreviousPSXDisplay.Range.x1 =
(short) PreviousPSXDisplay.DisplayMode.x;
PreviousPSXDisplay.Range.x0 = 0;
} else {
PreviousPSXDisplay.Range.x1 = (short) l;
PreviousPSXDisplay.Range.x0 =
(PSXDisplay.Range.x0 - 500) / 8;
if (PreviousPSXDisplay.Range.x0 < 0)
PreviousPSXDisplay.Range.x0 = 0;
if ((PreviousPSXDisplay.Range.x0 + lx) >
PreviousPSXDisplay.DisplayMode.x) {
PreviousPSXDisplay.Range.x0 =
(short) (PreviousPSXDisplay.DisplayMode.x - lx);
PreviousPSXDisplay.Range.x0 += 2; //???
PreviousPSXDisplay.Range.x1 += (short) (lx - l);
#ifndef _WINDOWS
PreviousPSXDisplay.Range.x1 -= 2; // makes linux stretching easier
#endif
}
#ifndef _WINDOWS
// some linux alignment security
PreviousPSXDisplay.Range.x0 = PreviousPSXDisplay.Range.x0 >> 1;
PreviousPSXDisplay.Range.x0 = PreviousPSXDisplay.Range.x0 << 1;
PreviousPSXDisplay.Range.x1 = PreviousPSXDisplay.Range.x1 >> 1;
PreviousPSXDisplay.Range.x1 = PreviousPSXDisplay.Range.x1 << 1;
#endif
DoClearScreenBuffer();
}
bDoVSyncUpdate = TRUE;
}
