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EGA and (S)VGA: Removed a leftover if block around overscan Y, fixes garbage overscan Y values causing crashes.

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This commit is contained in:
OBattler 2024-01-09 17:38:54 +01:00
parent b0ca256065
commit 79874ad3d5
2 changed files with 9 additions and 15 deletions
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8
src/video/vid_ega.c
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@ -543,12 +543,10 @@ ega_recalctimings(ega_t *ega)
}
}
if (enable_overscan) {
overscan_y = (ega->rowcount + 1) << 1;
overscan_y = (ega->rowcount + 1) << 1;
if (overscan_y < 16)
overscan_y = 16;
}
if (overscan_y < 16)
overscan_y = 16;
overscan_x = (ega->seqregs[1] & 1) ? 16 : 18;

16
src/video/vid_svga.c
View file

@ -92,12 +92,10 @@ svga_set_override(svga_t *svga, int val)
if (!val) {
/* Override turned off, restore overscan X and Y per the CRTC. */
if (enable_overscan) {
svga->monitor->mon_overscan_y = (svga->rowcount + 1) << 1;
svga->monitor->mon_overscan_y = (svga->rowcount + 1) << 1;
if (svga->monitor->mon_overscan_y < 16)
svga->monitor->mon_overscan_y = 16;
}
if (svga->monitor->mon_overscan_y < 16)
svga->monitor->mon_overscan_y = 16;
svga->monitor->mon_overscan_x = (svga->seqregs[1] & 1) ? 16 : 18;
@ -711,12 +709,10 @@ svga_recalctimings(svga_t *svga)
svga->linedbl = svga->crtc[9] & 0x80;
svga->char_width = (svga->seqregs[1] & 1) ? 8 : 9;
if (enable_overscan) {
svga->monitor->mon_overscan_y = (svga->rowcount + 1) << 1;
svga->monitor->mon_overscan_y = (svga->rowcount + 1) << 1;
if (svga->monitor->mon_overscan_y < 16)
svga->monitor->mon_overscan_y = 16;
}
if (svga->monitor->mon_overscan_y < 16)
svga->monitor->mon_overscan_y = 16;
if (!(svga->gdcreg[6] & 1) && !(svga->attrregs[0x10] & 1)) {
svga->monitor->mon_overscan_x = (svga->seqregs[1] & 1) ? 16 : 18;