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Fix pel panning in 256 color vga mode

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1620
This commit is contained in:
Sjoerd van der Berg 2004-01-28 21:36:48 +00:00
parent c32e90eabd
commit 2436917d8c
1 changed files with 3 additions and 1 deletions
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4
src/hardware/vga_draw.cpp
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@ -95,7 +95,7 @@ static Bit8u * VGA_EGA_Draw_Line(Bitu vidstart,Bitu panning,Bitu line) {
return &vga.mem.linear[512*1024+vidstart*8+panning];
}
static Bit8u * VGA_VGA_Draw_Line(Bitu vidstart,Bitu panning,Bitu line) {
return &vga.mem.linear[vidstart*4+panning/2];
return &vga.mem.linear[vidstart*4+panning];
}
@ -191,6 +191,7 @@ static void VGA_DrawPart(void) {
}
if (vga.draw.split_line==vga.draw.lines_left) {
vga.draw.address=0;vga.draw.panning=0;
vga.draw.address_line=0;
}
}
RENDER_EndUpdate();
@ -214,6 +215,7 @@ static void VGA_VerticalTimer(void) {
/* check for blinking and blinking change delay */
FontMask[1]=(vga.attr.mode_control & (vga.draw.cursor.count >> 1) & 0x8) ?
0 : 0xffffffff;
vga.draw.address=(vga.draw.address*2);
break;
case M_CGA4:case M_CGA2:case M_CGA16:
vga.draw.address=(vga.draw.address*2)&0x1fff;