; ; Ullrich von Bassewitz, 08.08.1998 ; ; void cvlinexy (unsigned char x, unsigned char y, unsigned char length); ; void cvline (unsigned char length); ; .export _cvlinexy, _cvline .import gotoxy, putchar, newline .importzp tmp1 .include "gamate.inc" _cvlinexy: pha ; Save the length jsr gotoxy ; Call this one, will pop params pla ; Restore the length and run into _cvline _cvline: cmp #0 ; Is the length zero? beq L9 ; Jump if done sta tmp1 L1: lda #CH_VLINE ; Vertical bar jsr putchar ; Write, no cursor advance jsr newline ; Advance cursor to next line dec tmp1 bne L1 L9: rts