<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On May 26, 2016, at 6:05 PM, Clem Cole <<a href="mailto:clemc@ccc.com" class="">clemc@ccc.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="gmail_extra"><br class=""><div class="gmail_quote">On Thu, May 26, 2016 at 4:56 PM, Mark Pizzolato <span dir="ltr" class=""><<a href="mailto:Mark@infocomm.com" target="_blank" class="">Mark@infocomm.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div id=":68a" class="a3s aXjCH m154eedb599fc9b13">I agree. If this whole discussion is about if a simulated card reader device<br class="">
interface should try to magically correct for garbage input (i.e. lines longer<br class="">
than card images), then I suggest that the best simulation is to behave as<br class="">
closely to how real systems worked. </div></blockquote></div><br class=""><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">The question of what real systems did is open. IIRC TSS as a system read in all 80 columns, but as was pointed out the FTN compiler ignored them. But not all of them did. I still have the algol-w compiler source around somewhere in PL/360 -- which might give you a hint</div></div></div>
</div></blockquote><br class=""></div><div>I have never heard of any device that wouldn't give you 80 columns. Even limited systems like the 1620 which believed that the only I/O encoding was the one it implemented didn't do any such thing.</div><div><br class=""></div><div>I just remembered one example of an 80 column card with something beyond column 80, but that isn't really relevant to computer I/O and I don't think computers paid attention. That is the verifying mode of some keypunches (model 129?) where successful verification of the card would cause it to be marked with a punch in "column 81". </div><div><br class=""></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>paul</div><div><br class=""></div><br class=""></body></html>