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pel panning+line compare handled different in textmodes, fixes diamond cave (thanks to hal for spotting this)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3116
This commit is contained in:
Sebastian Strohhäcker 2008-03-08 12:29:59 +00:00
parent afb28f9039
commit 39efc20d3e
1 changed files with 9 additions and 5 deletions
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14
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 1.92 2008-01-12 17:37:48 c2woody Exp $ */
/* $Id: vga_draw.cpp,v 1.93 2008-03-08 12:29:59 c2woody Exp $ */
#include <string.h>
#include <math.h>
@ -656,8 +656,10 @@ static void VGA_DrawSingleLine(Bitu blah) {
vga.draw.lines_done++;
if (vga.draw.split_line==vga.draw.lines_done) {
vga.draw.address=0;
if(!(vga.attr.mode_control&0x20))
vga.draw.address += vga.config.pel_panning;
if (!(vga.attr.mode_control&0x20)) {
// pel panning enabled
if (!(vga.mode==M_TEXT)) vga.draw.address = vga.config.pel_panning;
}
vga.draw.address_line=0;
}
if ((vga.draw.lines_done < vga.draw.lines_total) && (!vga.draw.resizing)) {
@ -680,8 +682,10 @@ static void VGA_DrawPart(Bitu lines) {
VGA_ChangesEnd( );
#endif
vga.draw.address=0;
if(!(vga.attr.mode_control&0x20))
vga.draw.address += vga.config.pel_panning;
if (!(vga.attr.mode_control&0x20)) {
// pel panning enabled
if (!(vga.mode==M_TEXT)) vga.draw.address = vga.config.pel_panning;
}
vga.draw.address_line=0;
#ifdef VGA_KEEP_CHANGES
vga.changes.start = vga.draw.address >> VGA_CHANGE_SHIFT;