X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libsrc%2Fconio%2Fscrsize.s;h=6582568d77820df29fd246a998556cea65aaaf08;hb=a03b3574b65a6167ac1207e66b83888eb0ca8465;hp=4be59964a1361c6f6d9a295948dd4d9b34a97b08;hpb=53dd513176425872128ef26031d00952ef7a0628;p=cc65

diff --git a/libsrc/conio/scrsize.s b/libsrc/conio/scrsize.s
index 4be59964a..6582568d7 100644
--- a/libsrc/conio/scrsize.s
+++ b/libsrc/conio/scrsize.s
@@ -4,35 +4,32 @@
 ; void screensize (unsigned char* x, unsigned char* y);
 ;
 
-    	.export	 	_screensize
-	.export		xsize, ysize
-
-	.import	 	popax
-	.importzp	ptr1, ptr2
-
-.proc	_screensize
-
-	sta	ptr1		; Store the y pointer
-	stx	ptr1+1
-
-	jsr	popax		; get the x pointer
-	sta	ptr2
-	stx	ptr2+1
-
-	ldy	#0
-	lda	xsize
-	sta	(ptr2),y
-	lda	ysize
-	sta	(ptr1),y
-   	rts
-
-.endproc	
-
-
-.bss
-
-xsize:	.res	1
-ysize:	.res	1
-
-
+        .export         _screensize
+
+        .import         popsreg
+        .import         screensize
+        .importzp       ptr1, sreg
+
+.proc   _screensize
+
+        sta     ptr1            ; Store the y pointer
+        stx     ptr1+1
+        jsr     popsreg         ; Get the x pointer into sreg
+        jsr     screensize      ; Get screensize into X/Y
+        tya                     ; Get Y size into A
+
+.IFP02
+        ldy     #0
+        sta     (ptr1),y
+        txa
+        sta     (sreg),y
+.ELSE
+        sta     (ptr1)
+        txa
+        sta     (sreg)
+.ENDIF
+
+        rts
+
+.endproc