Tom Austin wrote:
> Orchid XP v8 wrote:
>>
>> I actually have some breadboard and a stack of 7400s *somewhere*. (I 
>> seem to have misplaced them currently.) I was going to try to build a 
>> CPU... but I never actually got round to it.
>>
>> (Actually, I got as far as not being able to get the chips to give me 
>> the truth table I was expecting...)
>>
> 
> When beginning, don't think that big - making your own CPU is cool, but 
> is very involved.
> 
> Think - "I want to make a counter" and wire up the chips to count.

Well, as I say, I started by wiring up one NAND gate, a pair of switches 
and an LED. What *should* have happened is that the LED lights up unless 
you simultaneously press both switches. What *actually* happened was 
completely different. :-/

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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