Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!jgreco
From: jgreco@csd4.milw.wisc.edu (Joe Greco)
Newsgroups: comp.sys.cbm
Subject: Re: Zmodem on commodores?
Message-ID: <766@csd4.milw.wisc.edu>
Date: 3 Feb 89 20:42:46 GMT
References: <10978@s.ms.uky.edu> <14095@cup.portal.com> <683@csd4.milw.wisc.edu> <6482@emcard.UUCP> <14246@cup.portal.com>
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Reply-To: jgreco@csd4.milw.wisc.edu (Joe Greco)
Organization: UW-Milwaukee Home for Out-of-date 8 bit Hackers
Lines: 17

In comp.sys.cbm article <14246@cup.portal.com>, Brendan@cup.portal.com (Brendan P Kehoe) wrote:
> What I've been experimenting with is using the REU...receive like 16k then
>throw it into the reu then let the zmodem routine keep on buzzing happily
>since a dma call takes virtually no time..hmm....any suggestions?

First, the REU access would probably kill one or two incoming
characters.   DMA has a nasty habit of interrupting the NMI timing
because the processor cannot service the NMI.

Second, one could not download files larger than {128K, 256K, 512K}.

Nice idea, otherwise.
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