Article View: comp.sys.transputer
Article #2152Semantic of cjump on T414
From: Erick Bizouarn
Date: Thu, 28 Jul 1988 13:54
Date: Thu, 28 Jul 1988 13:54
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1100 bytes
1. Answer to jjk@advdev.Cambridge.NCR.COM (Joe Kulig) : The "unconditional i/o " is a process with send and receive primitives, without any ALT process. The send primitives must know if the receiving process is an "unconditionnal i/o" process or not (ALT process). In an "unconditionnal i/o" the second process executes the message transfert; but in an "alt communication" the transfert is always done by the alt process Wptr[-2] may be used to store this information. 2. the CJUMP problem in T414 The CJ instruction does not pop the condition if it is false. This seems to be a bug,isn't it?? example: _bug: ldc 10 ldl 1 ;(parameter) cj L1 L1: ret This function returns 0 if the parameter is 0 and 10 otherwise. Thanks for any help. Erick
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!attcan!uunet!mcvax!inria!lri!eb From: eb@lri.lri.fr (Erick Bizouarn) Newsgroups: comp.sys.transputer Subject: Semantic of cjump on T414 Message-ID: <309@lri.lri.fr> Date: 28 Jul 88 13:54:41 GMT Reply-To: eb@lri.UUCP (Erick Bizouarn) Organization: L.R.I Universite Paris-Sud Lines: 29