Path: utzoo!attcan!uunet!cs.utexas.edu!tut.cis.ohio-state.edu!bloom-beacon!usc!pollux.usc.edu!addison From: addison@pollux.usc.edu (Richard Addison) Newsgroups: comp.sys.amiga.tech Subject: Re: AmigaOS is real-time? Summary: A nit about a nit... Keywords: interrupts Message-ID: <17441@usc.edu> Date: 26 May 89 03:49:05 GMT References: <16100@louie.udel.EDU> <9881@watcgl.waterloo.edu> <16182@louie.udel.EDU> Sender: news@usc.edu Reply-To: addison@pollux.usc.edu (Richard Addison) Organization: University of Southern California, Los Angeles, CA Lines: 12 In article <16182@louie.udel.EDU> new@udel.EDU (Darren New) writes: >A couple of nits: First, I think memory allocation disables only >task switching, not interrupts. Second, a trivial upper bound can >be determined by checking how many tasks can be around at once >(memsize / TCB size). Also, 1/60 second is a good upper bound, >lest you loose the display. Note that the copper takes care of maintaining the display (yes, even interlaced) even when the 68000 doesn't respond to interrupts. Richard Addison "I've got a hole in me pocket." -- Ringo