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adjust line split position (fixes Supaplex)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3169
This commit is contained in:
Sebastian Strohhäcker 2008-06-08 18:27:25 +00:00
parent b5c65f12a0
commit 868ebc0ea0
1 changed files with 7 additions and 3 deletions
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10
src/hardware/vga_draw.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: vga_draw.cpp,v 1.101 2008-06-03 18:35:32 c2woody Exp $ */
/* $Id: vga_draw.cpp,v 1.102 2008-06-08 18:27:25 c2woody Exp $ */
#include <string.h>
#include <math.h>
@ -784,8 +784,12 @@ static void VGA_VerticalTimer(Bitu val) {
vga.draw.parts_left = vga.draw.parts_total;
vga.draw.lines_done = 0;
vga.draw.address_line = vga.config.hlines_skip;
if (IS_EGAVGA_ARCH) vga.draw.split_line = (vga.config.line_compare/vga.draw.lines_scaled);
else vga.draw.split_line = 0x10000; // don't care
if (IS_EGAVGA_ARCH) {
vga.draw.split_line = (Bitu)((vga.config.line_compare+1)/vga.draw.lines_scaled);
if ((svgaCard==SVGA_S3Trio) && (vga.config.line_compare==0)) vga.draw.split_line=0;
} else {
vga.draw.split_line = 0x10000; // don't care
}
vga.draw.address = vga.config.real_start;
vga.draw.byte_panning_shift = 0;
// go figure...