fix comments

[cc65] / libsrc / vic20 / kbhit.s

diff --git a/libsrc/vic20/kbhit.s b/libsrc/vic20/kbhit.s
index 0fb00bf99dbdc81e4e2e629be6addc97d8a00021..713646776838bc0e109349697a57aa3b47240e0f 100644 (file)
--- a/libsrc/vic20/kbhit.s
+++ b/libsrc/vic20/kbhit.s
@@ -1,20 +1,23 @@
 ;
 ; Ullrich von Bassewitz, 06.08.1998
 ;
-; int kbhit (void);
+; unsigned char kbhit (void);
 ;
 
        .export         _kbhit
-       .import         return0, return1
 
        .include        "vic20.inc"
 
-_kbhit:
+
+.proc   _kbhit
+
+        ldx     #0              ; High byte of return is always zero
        lda     KEY_COUNT       ; Get number of characters
-       bne     L1
-       jmp     return0
-L1:    jmp     return1
+        beq     L9
+        lda     #1
+L9:     rts
 
+.endproc