[vcf-midatlantic] HP Paper Tape BASIC

Mike Loewen mloewen at cpumagic.scol.pa.us
Wed Mar 3 04:37:08 UTC 2021

On Tue, 2 Mar 2021, Jeffrey Brace wrote:

> On Tue, Mar 2, 2021 at 12:42 AM Mike Loewen via vcf-midatlantic <
> vcf-midatlantic at lists.vcfed.org> wrote:
>>     I've done a short video on loading and running paper tape BASIC on my
>> HP
>> 2108A minicomputer:
>> http://q7.neurotica.com/Oldtech/HP/2108A/PaperTapeEdited.mp4
>>     I just got this working, this evening.
>>     HP 2108A with 32KW RAM, 12531D terminal interface (2400 baud), 12597A
>> interface for the 2748B high speed paper tape reader, and a 2645A terminal.
> It's nice to see these machines in action!
> That is a fast papertape reader! I love it!
> Next time, please show the papertape rewinder so that we can see it on the
> video. It was out of frame.

    That was intentional. I didn't think it was interesting, and I cut out that 

> That terminal needs some tender loving care with the glass. Bring it to the
> next repair workshop!

    Yes it does, and I've done that operation before on my 2647A. Just haven't 
gotten around to it.

> Why was there an error at the beginning of loading Lunar Lander?

    There appears to be some missing characters at the beginning of the program 
as punched on the tape. There should be a line 1, which is a comment. No harm 

Mike Loewen				mloewen at cpumagic.scol.pa.us
Old Technology				http://q7.neurotica.com/Oldtech/

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