diff options
| author | Aaron Campbell <aaron@cvs.openbsd.org> | 2000-06-11 18:57:36 +0000 |
|---|---|---|
| committer | Aaron Campbell <aaron@cvs.openbsd.org> | 2000-06-11 18:57:36 +0000 |
| commit | f172cb38525edd1c6bdf1c41fe3a74ece42cbcd7 (patch) | |
| tree | e5b8d32eb8371d6af8eb56d9aeb444ea84878439 /sys | |
| parent | 0586b0de477f8da172e2a54e289f60d0ffcaa673 (diff) | |
Better fix for the scrolling region problem. Fixes PR/1271.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/i386/isa/pcvt/pcvt_out.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/arch/i386/isa/pcvt/pcvt_out.c b/sys/arch/i386/isa/pcvt/pcvt_out.c index 4c7b10157d5..5d54bc5cd1d 100644 --- a/sys/arch/i386/isa/pcvt/pcvt_out.c +++ b/sys/arch/i386/isa/pcvt/pcvt_out.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pcvt_out.c,v 1.22 2000/06/04 18:09:16 aaron Exp $ */ +/* $OpenBSD: pcvt_out.c,v 1.23 2000/06/11 18:57:35 aaron Exp $ */ /* * Copyright (c) 1992, 1995 Hellmuth Michaelis and Joerg Wunsch. @@ -1300,11 +1300,17 @@ vt_coldmalloc(void) static void check_scroll(struct video_state *svsp) { + int region_size; + + region_size = (svsp->scrr_end + 1) * svsp->maxcol; + if(!svsp->abs_write) { /* we write within scroll region */ - if(svsp->cur_offset == ((svsp->scrr_end + 1) * svsp->maxcol)) + if((svsp->cur_offset == region_size) || + (svsp->cur_offset > region_size && (svsp->scrr_end == + svsp->screen_rows - 1))) { /* the following piece of code has to be protected */ /* from trying to switch to another virtual screen */ |