Boot Loader for 3P+S on IMSAI
dkelvey at hotmail.com
Wed Jan 11 15:07:23 CST 2017
Most of these BASICs required a delay on a return.
To make it more fun, it got longer the larger the program.
From: cctech <cctech-bounces at classiccmp.org> on behalf of Win Heagy <wheagy at gmail.com>
Sent: Wednesday, January 11, 2017 10:28:06 AM
To: cctech at classiccmp.org
Subject: Re: Boot Loader for 3P+S on IMSAI
Yes, I was able to run the echo characters test from the solivant site
as well as a couple other small upload tests, so I'm thinking it's a
delay issue or a configuration problem with the 3P+S and MITS BASIC.
Digging back into this on my IMSAI, I'm now remembering the
peculiarities of loading MITS BASIC when I was doing it on the Altair.
That picture will help. I think I've already spotted something
without even having my actual card in front of me.
>Did you verify "echo characters" works? There is a test program in the
>solivant site that explains this. If so, then you very well may need to
>experiment with character delays when you download BASIC. You can watch
>the lights and see when the various loaders load, that might help give you
>a clue where the failure point is.
>The extra pointers I added were things I found useful, but I was using the
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