mirror of
https://github.com/cc65/cc65.git
synced 2024-11-18 00:07:21 +00:00
13482984ca
About all CONIO functions offering a <...>xy variant call popa _gotoxy By providing an internal gotoxy variant that starts with a popa all those CONIO function can be shortened by 3 bytes. As soon as program calls more than one CONIO function this means an overall code size reduction.
21 lines
492 B
ArmAsm
21 lines
492 B
ArmAsm
;
|
|
; copied from CBM implementation
|
|
;
|
|
; originally by:
|
|
; Ullrich von Bassewitz, 06.08.1998
|
|
;
|
|
; void gotoxy (unsigned char x, unsigned char y);
|
|
;
|
|
.export gotoxy, _gotoxy
|
|
.import popa, plot
|
|
.include "extzp.inc"
|
|
|
|
gotoxy:
|
|
jsr popa ; Get Y
|
|
|
|
_gotoxy:
|
|
sta CURS_Y ; Set Y
|
|
jsr popa ; Get X
|
|
sta CURS_X ; Set X
|
|
jmp plot ; Set the cursor position
|