Path: utzoo!attcan!uunet!mcvax!unido!pbinfo!corona!michael From: michael@pbinfo.uucp (Michael Schmidt) Newsgroups: comp.sys.atari.st Subject: Re: Memory Access in Modula 2 Message-ID: <295@corona.pb> Date: 7 Jul 88 12:41:32 GMT References: <3188@druhi.ATT.COM> Sender: news@pbinfo.UUCP Reply-To: michael@pbinfo.uucp (Michael Schmidt) Organization: Uni-GH Paderborn, FB17/Informatik Lines: 16 In-reply-to: terrell@druhi.ATT.COM (Eric R. Terrell) Posting-Front-End: Gnews 1.4 In article <3188@druhi.ATT.COM>, terrell@druhi (Eric R. Terrell) writes: >Reading and writing from/to an absolute memory address in Modula 2: > Well, in PIM2, 3rd Edition (in german, the only I have at hand at the moment) Wirth describes in chapter 31 about "device processes, concurrency and interrupts" (translated from german, may vary in english) a possibility to give the absolute address of a variable on a pdp-11 by saying: VAR s[777560B] : BITSET; x[777562B] : CHAR; Try, whether your compiler groks it. (I doubt it.) Michael Schmidt