Made Apple II CONIO more flexible.

[cc65] / libsrc / apple2 / cputc.s

diff --git a/libsrc/apple2/cputc.s b/libsrc/apple2/cputc.s
index 6f610fe9202b84b6812b6e22951974fbe7d25286..348fa4af9a73b588fdd26155db65e0e6b4c10bdb 100644 (file)
--- a/libsrc/apple2/cputc.s
+++ b/libsrc/apple2/cputc.s
@@ -37,7 +37,7 @@ _cputc:
         beq     left
         cmp     #$0A            ; Test for \n = line feed
         beq     newline
-        ora     #$80            ; Turn on high bit
+        eor     #$80            ; Invert high bit
         .ifndef __APPLE2ENH__
         cmp     #$E0            ; Test for lowercase
         bcc     cputdirect