Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!csd4.milw.wisc.edu!uxc!uxc.cso.uiuc.edu!ux1.cso.uiuc.edu!uxe.cso.uiuc.edu!mcdonald
From: mcdonald@uxe.cso.uiuc.edu
Newsgroups: comp.lang.c
Subject: Re: Day of week routine
Message-ID: <225800177@uxe.cso.uiuc.edu>
Date: 6 Jun 89 13:07:00 GMT
References: <234@zeek.UUCP>
Lines: 14
Nf-ID: #R:zeek.UUCP:234:uxe.cso.uiuc.edu:225800177:000:484
Nf-From: uxe.cso.uiuc.edu!mcdonald    Jun  6 08:07:00 1989



>I have heard that a lot of bank ATMs are controlled by PDP-8s. Can
>anyone with better knowledge than be confirm/deny this rumor? (Or are
>they all on IBM mainframes connected to private SNA networks? :-)

I have no knowledge, but one comforting thought: a lot of PDP-8
software used triple precision (36bits)! I know mine did.

And, since the biggest number added at one time was 4096, the
DMA hardware and a few gates took care of all the overflow automatically!


Doug McDonald