2 ; Ullrich von Bassewitz, 08.08.1998
4 ; void cvlinexy (unsigned char x, unsigned char y, unsigned char length);
5 ; void cvline (unsigned char length);
9 .export _cvlinexy, _cvline
10 .import popa, _gotoxy, putchar
16 jsr _gotoxy ; Call this one, will pop params
17 pla ; Restore the length and run into _cvline
20 cmp #0 ; Is the length zero?
25 lda #$7C ; Vertical bar
26 jsr putchar ; Write, no cursor advance