home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.sys.cbm
- Path: sparky!uunet!caen!malgudi.oar.net!news.ysu.edu!do-not-reply-to-path
- From: ad945@yfn.ysu.edu (Brent Busby)
- Subject: Re: ALPHA LOCK in Z-80 Mode? Impossible to read?
- Message-ID: <1992Nov10.224618.2983@news.ysu.edu>
- Sender: news@news.ysu.edu (Usenet News Admin)
- Nntp-Posting-Host: yfn.ysu.edu
- Reply-To: ad945@yfn.ysu.edu (Brent Busby)
- Organization: St. Elizabeth Hospital, Youngstown, OH
- References: <1992Nov10.100736.1@pembvax1.pembroke.edu>
- Date: Tue, 10 Nov 1992 22:46:18 GMT
- Lines: 13
-
-
- In a previous article, duck@pembvax1.pembroke.edu () says:
-
- > I was going over the 128 schematic and noticed something... Apparently there
- >is no way to read the ALPHA/LOCK in Z-80 mode except for switching back to the
- >8502 and reading it from there as that line is brought into the 8502 for
- >processing and not on any shared data or memory busses...
- >
- > Am I reading the schematic wrong or is the ALPHA/LOCK unavailable from the
- >Z-80 processor?
-
- If so, it would certainly explain why [CAPS LOCK] is not used under CP/M on
- the C=128. The [C=] key toggles ALPHA LOCK on and off instead.
-