[vcf-midatlantic] 8080 programmer trainer

Sentrytv sentrytv at yahoo.com
Fri Jul 31 12:45:10 EDT 2020


Thanks Jeff!
When you have a chance send me an email to my personal address on how you guys are doing there.
Mike R.

Sent from:
My extremely complicated, hand held electronic device.

> On Jul 31, 2020, at 11:51 AM, Jeff Galinat <jgalinat at gmail.com> wrote:
> 
> 
> I had purchased an MST-80 off eBay a few years ago and the primary reason was I wanted the clean white/gold ceramic 8080 for use in my IMSAI.  I replaced that CPU with a brown ceramic 8080 and resold it to another list member for my original purchase price.  One cool feature of the keypad & monitor program is that data can be entered/displayed in either Hex or Octal just by toggling the H/O key on the pad.  I think this is very handy as many people learned the 8080 opcodes in octal (like the Altair panel is laid out) while other folks like me learned them in hex.  I worked for IBM and was trained to use hex notation while some of my friends who used mini's like the PDP-8s used octal. I thought this was a very handy feature to implement.
> Regards,
> Jeff
> 
> 
>> On Fri, Jul 31, 2020 at 5:14 AM Sentrytv via vcf-midatlantic <vcf-midatlantic at lists.vcfed.org> wrote:
>> Thanks for the info 
>> I have not had time to research yet.
>> I’m going to check it out today.
>> 👌🏽
>> 
>> Sent from:
>> My extremely complicated, hand held electronic device.
>> 
>> > On Jul 31, 2020, at 12:03 AM, Doug Crawford <memphis at ptd.net> wrote:
>> > 
>> >  The MST-80 with ceramic ics- the ICs are worth more than the trainer.
>> > One with plastic ICs is going for $200 right now.
>> > Probably the going rate these days.  Not a lot have transacted in recent memory.
>> > Its a really nice little unit.  I have one.
>> > Rarer than the Heathkit.
>> > DC
>> > 
>> 


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