Saga of the uP developer

[Paul Maddox]

Crow,

>   In 1985, while working on my crapload-O-analog-switches version of a
> MIDI interface for my Korg Polysix, the power supply on my test bench (one
> of those $5.00 Coleco switchers you could get at RatShak(tm)) decided to
> die horribly.  As in, +5V decided to become +29V.  The NMOS and TTL stuff
> on the prototype board pretty much exploded, though the analog switches
> survived.
>

lovelly smell too I bet!

>
>   I still have in a box somewhere a listing of the code with a giant
> "AAAAUUUGH!" scrawled on the page pointing to the offending (well,
> missing) octothorpe (#).
>

I have code like this.. I had major problems with the damn running status on
midi,
I did a similar thing and it took me weeks to find it, mine has a big ARGH
in red on it
aswell!

>
>   Paia managed to do this with that 400KHz 6503 of theirs in 1978 (using a
> 6-bit DAC and S/H circuits built as sets of four, aka #8781 QuAS/H), so
> it seems that a modern uP should have no problems.
>

indeed, a modern micro should handle quite a few EGs at a decent rate, if
you do it in
assembler..

Paul