Renamed to '--no-crt-lib'

[cc65] / libsrc / c16 / kbhit.s

diff --git a/libsrc/c16/kbhit.s b/libsrc/c16/kbhit.s
index be64e64b2bb086ff0038ab2ff6a1cadeaf555a96..bb88beea886d7137b110420740caa19a79336e6c 100644 (file)
--- a/libsrc/c16/kbhit.s
+++ b/libsrc/c16/kbhit.s
@@ -1,20 +1,25 @@
 ;
 ; Ullrich von Bassewitz, 06.08.1998
 ;
-; int kbhit (void);
+; unsigned char kbhit (void);
 ;
 
-       .export         _kbhit
-       .import         return0, return1
+        .export         _kbhit
 
-       .include        "../plus4/plus4.inc"
+        .include        "plus4.inc"
+
+
+.proc   _kbhit
+
+        ldx     #0              ; High byte of return is always zero
+        lda     KEY_COUNT       ; Get number of characters
+        ora     FKEY_COUNT      ; Or with number of chars from function keys
+        beq     L9
+        lda     #1
+L9:     rts
+
+.endproc
 
-_kbhit:
-       lda     KEY_COUNT       ; Get number of characters
-       ora     FKEY_COUNT      ; Or with number of chars from function keys
-       bne     L1
-       jmp     return0
-L1:    jmp     return1