On interfaces, paper tape readers/punches,

[Roy J. Tellason]

On Friday 29 February 2008 19:34, Tony Duell wrote:
> >    Well yeah...anyone who would replace a single 74LS00 with a
> > microcontroller would certainly earn a "moron" sticker on the forehead.
>
> Hang on a sec...
>
> Back in the 'decoding FSK cassette data' theard, somebody suggested 'a
> couple of tone dectors and a microcontroller' I asusme the 'tone
> detectors' are soemthing like an NE567. In whci case the logic to combine
> them into a itstream is only a few logic gates.
>
> And I still feel that the bast way to impleemtn that logic is not a
> microcontroller.

I do indeed have a board around here someplace that I have no info on,  but 
it's got a row of those -- 12? -- and the outputs of them seem to be coupled 
to a couple of 7400 chips.

-- 
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James 
M Dakin