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Fix the TAB not cause scrolling when entered at the end of the last line.

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It may cause misterious chars appearse in the middle of the scrolled lines.

The bug trigger: enter
grep P_32 /usr/include/*.h
command and see misterious "db.\" filename.
This commit is contained in:
ache 2000-05-29 18:35:13 +00:00
parent 6c099e834c
commit bd858e3aae
1 changed files with 8 additions and 3 deletions
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11
sys/dev/syscons/sctermvar.h
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@ -269,9 +269,14 @@ sc_term_tab(scr_stat *scp, int n)
if (n < 1)
n = 1;
i = (scp->xpos & ~7) + 8*n;
if (i >= scp->xsize)
sc_move_cursor(scp, 0, scp->ypos + 1);
else
if (i >= scp->xsize) {
if (scp->ypos >= scp->ysize - 1) {
scp->xpos = 0;
scp->ypos++;
scp->cursor_pos = scp->ypos*scp->xsize;
} else
sc_move_cursor(scp, 0, scp->ypos + 1);
} else
sc_move_cursor(scp, i, scp->ypos);
}