Introduced internal gotoxy that pops both parameters.

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.
2016-06-05 14:58:38 +02:00
parent d670998814
commit 13482984ca
50 changed files with 120 additions and 152 deletions
--- a/libsrc/gamate/gotoxy.s
+++ b/libsrc/gamate/gotoxy.s
@@ -2,12 +2,15 @@
 ; void gotoxy (unsigned char x, unsigned char y);
 ;

-        .export         _gotoxy
+        .export         gotoxy, _gotoxy
        .import         popa, plot

        .include        "gamate.inc"
        .include        "extzp.inc"

+gotoxy:
+        jsr     popa            ; Get X
+
 _gotoxy:
        sta     CURS_Y          ; Set Y
        jsr     popa            ; Get X