mirror of
https://github.com/cc65/cc65.git
synced 2024-07-05 21:29:03 +00:00
31 lines
727 B
ArmAsm
31 lines
727 B
ArmAsm
;
|
|
; 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, cvlinedirect
|
|
.import popa, _gotoxy, putchar, newline
|
|
.importzp tmp1
|
|
|
|
_cvlinexy:
|
|
pha ; Save the length
|
|
jsr popa ; Get y
|
|
jsr _gotoxy ; Call this one, will pop params
|
|
pla ; Restore the length and run into _cvline
|
|
|
|
_cvline:
|
|
ldx #'|' | $80 ; Vertical line, screen code
|
|
|
|
cvlinedirect:
|
|
cmp #$00 ; Is the length zero?
|
|
beq L9 ; Jump if done
|
|
sta tmp1
|
|
L1: txa ; Screen code
|
|
jsr putchar ; Write, no cursor advance
|
|
jsr newline ; Advance cursor to next line
|
|
dec tmp1
|
|
bne L1
|
|
L9: rts
|