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Fix VGA issue introduced by r6349

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Thanks to Robert Riebisch for bisection

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6858 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
malc 2009-03-17 16:05:50 +00:00
parent cbbccffc7a
commit aba35a6cd1
1 changed files with 10 additions and 2 deletions
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12
hw/vga.c
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@ -1619,6 +1619,16 @@ static void vga_draw_graphic(VGAState *s, int full_update)
s->double_scan = double_scan;
}
if (shift_control == 0) {
if (s->sr[0x01] & 8) {
disp_width <<= 1;
}
} else if (shift_control == 1) {
if (s->sr[0x01] & 8) {
disp_width <<= 1;
}
}
depth = s->get_bpp(s);
if (s->line_offset != s->last_line_offset ||
disp_width != s->last_width ||
@ -1660,7 +1670,6 @@ static void vga_draw_graphic(VGAState *s, int full_update)
full_update |= update_palette16(s);
if (s->sr[0x01] & 8) {
v = VGA_DRAW_LINE4D2;
disp_width <<= 1;
} else {
v = VGA_DRAW_LINE4;
}
@ -1669,7 +1678,6 @@ static void vga_draw_graphic(VGAState *s, int full_update)
full_update |= update_palette16(s);
if (s->sr[0x01] & 8) {
v = VGA_DRAW_LINE2D2;
disp_width <<= 1;
} else {
v = VGA_DRAW_LINE2;
}