X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libsrc%2Fcommon%2Fisspace.s;h=64849f7f76b117c62befdaa9150c8d3d6db10d32;hb=f16516047a551319c82debd339ded8bc2b587212;hp=1c6cc2e8a6aa763217177d71b8591c8c743c1b75;hpb=53dd513176425872128ef26031d00952ef7a0628;p=cc65

diff --git a/libsrc/common/isspace.s b/libsrc/common/isspace.s
index 1c6cc2e8a..64849f7f7 100644
--- a/libsrc/common/isspace.s
+++ b/libsrc/common/isspace.s
@@ -4,12 +4,18 @@
 ; int isspace (int c);
 ;
 
-	.export		_isspace
-	.import		__ctype
+        .export         _isspace
+        .include        "ctype.inc"
 
 _isspace:
-	tay
-	lda	__ctype,y	; Get character classification
-       	and    	#$60   	       	; Mask space bits
-	rts
+        cpx     #$00            ; Char range ok?
+        bne     @L1             ; Jump if no
+        tay
+        lda     __ctype,y       ; Get character classification
+        and     #(CT_SPACE | CT_OTHER_WS)   ; Mask space bits
+        rts
+
+@L1:    lda     #$00            ; Return false
+        tax
+        rts