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Video rendering: fix glitch when in non-'50% Scan lines' mode. (Fixes #1143)

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This commit is contained in:
tomcw 2022-11-20 20:54:15 +00:00
parent 7100bfa5b5
commit 9738af1757
1 changed files with 5 additions and 1 deletions
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6
source/NTSC.cpp
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@ -660,7 +660,11 @@ inline void updateVideoScannerHorzEOLSimple()
{
if (VIDEO_SCANNER_MAX_HORZ == ++g_nVideoClockHorz)
{
*(uint32_t*)g_pVideoAddress++ = 0 | ALPHA32_MASK; // VT_COLOR_IDEALIZED: TEXT -> HGR can leave junk on RHS (GH#1106)
if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY) // Only write to video memory when in visible part of display (GH#1143)
{
*(uint32_t*)g_pVideoAddress = 0 | ALPHA32_MASK; // VT_COLOR_IDEALIZED: TEXT -> HGR can leave junk on RHS (GH#1106)
*(getScanlineNextInbetween()) = 0 | ALPHA32_MASK; // ...and clear junk on RHS for non-'50% Scan lines'
}
g_nVideoClockHorz = 0;