Path: utzoo!attcan!uunet!cs.utexas.edu!mailrus!cornell!uw-beaver!sumax!amc-gw!sigma!flash!bill From: bill@flash.UUCP (William Swan) Newsgroups: comp.os.cpm Subject: Re: Need info on 5832 and 58321 clock chips Message-ID: <560@flash.UUCP> Date: 20 Mar 90 18:09:57 GMT References: <847@gold.GVG.TEK.COM> <85.25fe1792@iowasp.physics.uiowa.edu> <558@fnx.UUCP> Reply-To: bill@flash.UUCP (William Swan) Organization: The Baidarka Historical Society Lines: 17 In article <558@fnx.UUCP> del@fnx.UUCP (Dag Erik Lindberg) writes: }> If you are building your own hardware, the 5832 has very slow access }>time. A 4 Mhz Z80 will probably not be relaible when reading/writing the }>5832. A slower processor (i.e. 2.5 Mhz) may work... }Isn't this why wait states were invented? [...] Yes, but the 5832 is S-l-o-w with a capital S. (My Alspa system uses one for its clock/calendar.) If you wanty to do something else, like service a keyboard interrupt, during that time you're out of luck. Better bet is to hang the thing off a parallel port. -- Bill Swan bill@Summation.WA.COM Send postal address for info: Innocent but in prison in Washington State for 13.5 years (or more): Ms. Debbie Runyan: incarcerated 01/1989, scheduled release 07/2002. In now: 1 year, 1 month, 3 weeks, 0 days.