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Fix double low resolution colors.

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Signed-off-by: Andrea Odetti <mariofutire@gmail.com>
This commit is contained in:
Andrea Odetti 2017-10-16 20:45:08 +01:00
parent 0eaeaf60f8
commit 89618601b1
1 changed files with 10 additions and 1 deletions
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11
source/frontends/qapple/video.cpp
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@ -30,6 +30,11 @@ namespace
BYTE keyCode = 0;
bool keyWaiting = false;
BYTE ROL_NIB(BYTE x)
{
return ((x << 1) & 0x0F) | ((x >> 3) & 0x01);
}
}
bool Video::Update40ColCell (QPainter & painter, int x, int y, int xpixel, int ypixel, int offset)
@ -113,7 +118,11 @@ bool Video::UpdateDLoResCell(QPainter & painter, int x, int y, int xpixel, int y
const QPixmap & lores = myGraphicsCache->lores80();
{
const BYTE ch = *(g_pTextBank1 + offset);
BYTE ch = *(g_pTextBank1 + offset);
const BYTE ch_high = ch >> 4;
const BYTE ch_low = ch & 0x0F;
ch = (ROL_NIB(ch_high) << 4) | ROL_NIB(ch_low);
const int sx = 0;
const int sy = ch * 16;