X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libsrc%2Fcbm%2Fc_chkin.s;h=4ed8c1bff8c50bba4616fdf146023d0bdff8783b;hb=6a92d8b987ef98b97fced19533573c9e74b208a9;hp=f687147ac85b3433345f2990f373ddd087bd8ef1;hpb=6d498d81872e506d0e1f069d01a9d4d43a962639;p=cc65

diff --git a/libsrc/cbm/c_chkin.s b/libsrc/cbm/c_chkin.s
index f687147ac..4ed8c1bff 100644
--- a/libsrc/cbm/c_chkin.s
+++ b/libsrc/cbm/c_chkin.s
@@ -4,13 +4,14 @@
 ; unsigned char __fastcall__ cbm_k_chkin (unsigned char FN);
 ;
 
-       	.export	       	_cbm_k_chkin
+        .export         _cbm_k_chkin
         .import         CHKIN
 
 _cbm_k_chkin:
-	tax
-       	jsr    	CHKIN
-	bcs	@NotOk
-        lda     #0
-@NotOk:	rts
+        tax
+        jsr     CHKIN
+        ldx     #0              ; Clear high byte
+        bcs     @NotOk
+        txa
+@NotOk: rts