fix comments

git-svn-id: svn://svn.cc65.org/cc65/trunk@4488 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/libsrc/atari/do_oserr.s b/libsrc/atari/do_oserr.s
index 6744b005898c25a855b04d3e4e6938b8609bbe92..7782ac868e09212bb80b622d9784a0354d82ffe9 100644 (file)
--- a/libsrc/atari/do_oserr.s
+++ b/libsrc/atari/do_oserr.s
@@ -1,7 +1,9 @@
 ;
-; this routine updates errno.  do a JMP here right after calling
-; CIOV.         we expect status in Y.
-; __retminus is a routine with returns AX with $FFFF
+; __do_oserror updates __oserror.  Do a JMP here right after calling
+; CIOV.         It will return with AX set to -1 ($FFFF).  It expects the CIO
+; status in Y.
+;
+; __retminus is a routine whitch returns with AX set to -1 ($FFFF).
 ;
        .include "errno.inc"