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[moderator] Re: Cocoa-dev Digest, Vol 5, Issue 919
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[moderator] Re: Cocoa-dev Digest, Vol 5, Issue 919


  • Subject: [moderator] Re: Cocoa-dev Digest, Vol 5, Issue 919
  • From: Scott Anguish <email@hidden>
  • Date: Tue, 27 May 2008 15:36:21 -0400

Folks

please remember that there are 4000 other people reading these messages, and many of them are already becoming overloaded with the traffic levels we've been seeing.

a resume fight isn't going to help this situation at all. and will probably end up with more users joining johnny in the moderation queue.

scott
moderator



On May 27, 2008, at 9:31 AM, Graham Cox wrote:


On 27 May 2008, at 5:37 pm, Graham Cox wrote:

During my fellowship I wrote a real-time data acquisition app in 6502 assembler that used a custom circuit board that served as a Schmidt trigger to clean up a square wave from the cardiotachometer we used.


While that may sound impressive to some, this is almost identical to a project I was given as an assignment as a first-year undergraduate. Schmidt triggers are uncomplicated circuits (you can get four of them in a 4093 chip anyway).

Those of use who are slightly too young to have grown up with minicomputers and cut our teeth instead on first-gen home micros, ate, slept and breathed 6502 assembler, as it was the only option for getting any performance out of those machines. I also home- brewed a digital oscilloscope from a KIM-1 so real-time data acquisition with a 6502? Been there, done that. Have to admit it wasn't very good as the 1MHz processor speed did somewhat limit its bandwidth... but it worked.

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References: 
 >Re: Cocoa-dev Digest, Vol 5, Issue 919 (From: Johnny Lundy <email@hidden>)
 >Re: Cocoa-dev Digest, Vol 5, Issue 919 (From: Graham Cox <email@hidden>)
 >Re: Cocoa-dev Digest, Vol 5, Issue 919 (From: Graham Cox <email@hidden>)
 >Re: Cocoa-dev Digest, Vol 5, Issue 919 (From: Graham Cox <email@hidden>)

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