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Re-added the Cardex Tseng ET4000/W32p (which works better than the Diamond Stealth32), and moved the Diamond Stealth32 to the Dev branch;

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Re-added the ATi Mach64GX ISA, this time with a working BIOS;
Fixed some CGA/EGA/(S)VGA timing mess-ups.
This commit is contained in:
OBattler
2018-01-25 19:35:23 +01:00
parent 5b78369563
commit 6856a77e2d
9 changed files with 196 additions and 73 deletions
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18
src/video/vid_ega.c
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@@ -377,22 +377,23 @@ void ega_recalctimings(ega_t *ega)
if (ega->vidclock) crtcconst = (ega->seqregs[1] & 1) ? MDACONST : (MDACONST * (9.0 / 8.0));
else crtcconst = (ega->seqregs[1] & 1) ? CGACONST : (CGACONST * (9.0 / 8.0));
disptime = ega->crtc[0] + 2;
_dispontime = ega->crtc[1] + 1;
if (ega->seqregs[1] & 8)
{
disptime*=2;
_dispontime*=2;
disptime = (double) ((ega->crtc[0] + 2) << 1);
_dispontime = (double) ((ega->crtc[1] + 1) << 1);
overscan_y <<= 1;
}
} else {
disptime = (double) (ega->crtc[0] + 2);
_dispontime = (double) (ega->crtc[1] + 1);
}
if (overscan_y < 16)
{
overscan_y = 16;
}
_dispofftime = disptime - _dispontime;
_dispontime *= crtcconst;
_dispofftime *= crtcconst;
_dispontime = _dispontime * crtcconst;
_dispofftime = _dispofftime * crtcconst;
ega->dispontime = (int64_t)(_dispontime * (1LL << TIMER_SHIFT));
ega->dispofftime = (int64_t)(_dispofftime * (1LL << TIMER_SHIFT));
@@ -980,6 +981,7 @@ void ega_init(ega_t *ega, int monitor_type, int is_mono)
update_overscan = 0;
ega->crtc[0] = 63;
ega->crtc[6] = 255;
#ifdef JEGA
ega->is_jega = 0;