Path: utzoo!censor!geac!jtsv16!uunet!tut.cis.ohio-state.edu!armadillo.cis.ohio-state.edu!lum From: lum@armadillo.cis.ohio-state.edu (Lum Johnson) Newsgroups: news.newusers.questions Subject: Re:L Keywords: deep trivia Message-ID: <57174@tut.cis.ohio-state.edu> Date: 9 Aug 89 14:54:20 GMT References: <488@sppy00.UUCP> <57028@tut.cis.ohio-state.edu> <392@wet.UUCP> Reply-To: Lum Johnson Distribution: usa Organization: The Ohio State University, IRCC/CIS Joint Computing Laboratory Lines: 33 In article <392@wet.UUCP> epsilon@wet.UUCP (Eric P. Scott) writes: >In article <57028@tut.cis.ohio-state.edu> Lum Johnson writes: >There is a CTRL key on IBM PC keyboards. THere is also an ALT >key that does something very different. Perhaps you are thinking >of IBM 3101 terminals? Note: Some PC keyboards put CAPS LOCK >where CTRL should be, and CTRL on either side of the space bar. Actually, I'm not sure - I try to keep my hands off them. :-) I've recently heard of this ALT key, a shift key of some kind, but I guess I'm not clear on what it is supposed to do. >The major PC manufacturer that didn't learn about CTRL until late >in the game was not IBM, but Apple! True enough - it's that funny little "cloverleaf" thingie to the left of the space bar, isn't it? And all the documentation depicts this cloverleaf thingie wherever there should be Carets or Uparrows. >(BTW, ALTMODE on old ASR 33s sent 175 octal.) Old Teletypes indeed used 175 for ALTMODE, 176 for ESCAPE, and 033 had yet another name. (?PREFIX? If I recall correctly.) Documentation from MIT for programs like DDT (Dynamic Debugging Tool), developed circa the ANSI X3.4-1968 revision of ASCII, generally refers to 033 as ALTMODE. (DDT has commands such as "$X" (ALTMODE X) for single-step and "$$X" (ALTMODE ALTMODE X) for stepover-routine.) Lum -=- -- Lum Johnson lum@cis.ohio-state.edu lum@osu-20.ircc.ohio-state.edu "You got it kid -- the large print giveth and the small print taketh away." -------