Make screensize() fetch the values dynamically instead of using variables

[cc65] / libsrc / atari / _scrsize.s

diff --git a/libsrc/atari/_scrsize.s b/libsrc/atari/_scrsize.s
index 5578c1be15c7366f522cfd70399eef0814e82646..420505fa53734384a5ecf8ecdbab128642b95923 100644 (file)
--- a/libsrc/atari/_scrsize.s
+++ b/libsrc/atari/_scrsize.s
@@ -4,12 +4,14 @@
 ; Screen size variables
 ;
 
-       .export         xsize, ysize
+       .export         screensize
 
-.rodata
+.proc   screensize
 
-xsize:         .byte   40
-ysize: .byte   24
+        ldx     #40
+        ldy     #24
+        rts
 
+.endproc