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From: guy@gorodish.UUCP
Newsgroups: comp.lang.c,comp.arch
Subject: Re: Was the 360 badly-designed?  (was Re: Compatibility with EBCDIC)
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Date: Thu, 27-Aug-87 23:08:03 EDT
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Posted: Thu Aug 27 23:08:03 1987
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> > But, I was wrong:  I forgot about the character instructions (edit, etc.).
> > These make assumptions about the character set, don't they?
> 
> That's why there is a bit in the PSW (on the 360 at least) that indicates
> whether the machine is using ASCII or EBCDIC.

ASCII-8, anyway; I don't remember whether that was compatible with ASCII or
not.  That bit is gone in the 370 (it was used for something else, possibly the
"basic control"/"extended control" mode bit).
	Guy Harris
	{ihnp4, decvax, seismo, decwrl, ...}!sun!guy
	guy@sun.com