valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

change line compare to always be 1023 for any low res mode

Browse source 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1855
This commit is contained in:
Sjoerd van der Berg 2004-06-22 22:38:29 +00:00
parent c3ccb8febd
commit 44aa193900
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/ints/int10_modes.cpp
View file

@ -445,7 +445,7 @@ bool INT10_SetVideoMode(Bitu mode) {
/* Vertical Retrace End */
IO_Write(crtc_base,0x16);IO_Write(crtc_base+1,(CurMode->vtotal-8));
/* Line Compare */
Bitu line_compare=(mode>=256) ? 2047 : 1023;
Bitu line_compare=(CurMode->vtotal < 1024) ? 1023 : 2047;
IO_Write(crtc_base,0x18);IO_Write(crtc_base+1,line_compare&0xff);
overflow|=(line_compare & 0x100) >> 4;
max_scanline|=(line_compare & 0x200) >> 3;