mirror of
https://github.com/cc65/cc65.git
synced 2024-12-25 02:29:52 +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.
23 lines
503 B
ArmAsm
23 lines
503 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 06.08.1998
|
|
;
|
|
; void gotoxy (unsigned char x, unsigned char y);
|
|
;
|
|
|
|
.export gotoxy, _gotoxy
|
|
.import setcursor
|
|
.import popa
|
|
|
|
.include "nes.inc"
|
|
|
|
gotoxy:
|
|
jsr popa ; Get Y
|
|
|
|
_gotoxy:
|
|
sta CURS_Y ; Set Y
|
|
jsr popa ; Get X
|
|
sta CURS_X ; Set X
|
|
tay
|
|
ldx CURS_Y
|
|
jmp setcursor ; Set the cursor position
|