X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libsrc%2Fcommon%2Fisxdigit.s;h=50146e82e366caf56982c9e231d3c3e5e24cd42b;hb=ea75fef1bf99fabff9c9eaa804468ee40339f87f;hp=a3184d17beb3731426389b8f90942efdbfb3a373;hpb=53dd513176425872128ef26031d00952ef7a0628;p=cc65

diff --git a/libsrc/common/isxdigit.s b/libsrc/common/isxdigit.s
index a3184d17b..50146e82e 100644
--- a/libsrc/common/isxdigit.s
+++ b/libsrc/common/isxdigit.s
@@ -5,11 +5,17 @@
 ;
 
 	.export		_isxdigit
-	.import		__ctype
+	.include	"ctype.inc"
 
 _isxdigit:
+	cpx	#$00		; Char range ok?
+	bne	@L1		; Jump if no
 	tay
 	lda	__ctype,y	; Get character classification
-       	and    	#$08   	       	; Mask xdigit bit
+       	and    	#CT_XDIGIT	; Mask xdigit bit
+	rts
+
+@L1:	lda	#$00		; Return false
+	tax
 	rts