From: Nick Axel (njaxel_at_netscape.net)
Date: 2004-04-29 20:23:18
Hello Nick, thanks for replying. You're right, Tpr is not important. My routines wouldn't work and I was looking for timing problems and that's how I came across Tpr and started wondering. They work now, problem solved. Best wishes, Nick firstname.lastname@example.org wrote: > Hi Nick, > > I have checked the various sources I have about the IEC bus, but your > are right in that none show the Tpr signal. > > In 64HDD's code I don't have a Tpr, and it still seems to work... > > - Nick > > > -----Original Message----- > From: email@example.com > [mailto:firstname.lastname@example.org]On Behalf Of email@example.com > Sent: Monday, 26 April 2004 1:54 PM > To: firstname.lastname@example.org > Subject: Que: Tpr on serial bus diagram > > > Hi, > > while experimenting with the serial bus and having a look at the C64 > PRG and a serial bus doc that came along with VICE, I noticed Tpr, > mentioned in both texts but nowhere to be seen on the timing > diagrams. According to the tables in these docs, it stands for > BYTE-ACKNOWLEDGE, but I can't see it fitting anywhere. It's supposed > to be important if an external device is a talker (min 20us, typ > 30us). > > Any ideas what this Tpr is and where should it be on the C64 PRG diagram? > > Thank you all in advance. > > Best wishes, > > Nick > > > __________________________________________________________________ > Introducing the New Netscape Internet Service. > Only $9.95 a month -- Sign up today at http://isp.netscape.com/register > > Netscape. Just the Net You Need. > > New! Netscape Toolbar for Internet Explorer > Search from anywhere on the Web and block those annoying pop-ups. > Download now at http://channels.netscape.com/ns/search/install.jsp > > Message was sent through the cbm-hackers mailing list > > > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - > Your Engineering Solutions Provider > http://www.orbeng.com.au/orbital/engineeringServices/engServices.htm > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - > PLEASE TAKE NOTE: > > The contents of this email (including any attachments) may be > privileged and confidential. Any unauthorised use of the contents > is expressly prohibited. If you have received this email in error, > please advise us immediately (you can contact us by telephone > on +61 8 9441 2311 by reverse charge) and then permanently > delete this email together with any attachments. We appreciate > your co-operation. > > Whilst Orbital endeavours to take reasonable care to ensure > that this email and any attachments are free from viruses or other > defects, Orbital does not represent or warrant that such is explicitly > the case > > (C) 2003: Orbital Engine Company (Australia) PTY LTD and its > affiliates > Message was sent through the cbm-hackers mailing list
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