Aucbvax.2679
fa.unix-wizards
utzoo!decvax!ucbvax!unix-wizards
Thu Aug 13 16:32:45 1981
RX21 driver
>From JNC@MIT-XX Thu Aug 13 16:22:14 1981
I found a bug in the UNIX driver for an RX21 (RXV21 actually,
is was on an 11/23) which I thought I'd propogate. The macro TRWAIT()
should read:
while (ptcs->lobyte >= 0)
It currently has just a '>' (it's trying to see when the high bit turns
off) and this causes problems becuase on a fast processor the first
time you look at the register the controller won't let you and returns
a 0, which has (obviously) undesireable results. Boy, was that a bitch
to find....
Noel
-------
-----------------------------------------------------------------
gopher://quux.org/ conversion by John Goerzen <
[email protected]>
of
http://communication.ucsd.edu/A-News/
This Usenet Oldnews Archive
article may be copied and distributed freely, provided:
1. There is no money collected for the text(s) of the articles.
2. The following notice remains appended to each copy:
The Usenet Oldnews Archive: Compilation Copyright (C) 1981, 1996
Bruce Jones, Henry Spencer, David Wiseman.
