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Fix bug with sierra installer's using scroll to clear areas of the screen.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@607
This commit is contained in:
Sjoerd van der Berg 2002-12-28 13:24:23 +00:00
parent 26940f77ad
commit 2df4ad3de2
1 changed files with 3 additions and 2 deletions
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5
src/ints/int10_char.cpp
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@ -111,6 +111,7 @@ void INT10_ScrollWindow(Bit8u rul,Bit8u cul,Bit8u rlr,Bit8u clr,Bit8s nlines,Bit
if(rlr>=nrows) rlr=(Bit8u)nrows-1;
if(clr>=ncols) clr=(Bit8u)ncols-1;
clr++;
/* Get the correct page */
if(page==0xFF) page=real_readb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAGE);
VGAMODES * curmode=GetCurrentMode();
@ -131,7 +132,7 @@ void INT10_ScrollWindow(Bit8u rul,Bit8u cul,Bit8u rlr,Bit8u clr,Bit8s nlines,Bit
nlines=rlr-rul+1;
goto filling;
}
do {
while (start!=end) {
start+=next;
switch (curmode->memmodel) {
case MTEXT:
@ -142,7 +143,7 @@ void INT10_ScrollWindow(Bit8u rul,Bit8u cul,Bit8u rlr,Bit8u clr,Bit8s nlines,Bit
case PLANAR4:
PLANAR4_CopyRow(curmode,cul,clr,start,start+nlines,base);break;
}
} while (start!=end);
}
/* Fill some lines */
filling:
if (nlines>0) {