How to Build a Microprocessor from Scratch

Discussion in 'Computer Science & Culture' started by lixluke, May 18, 2006.

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  1. Stryder Keeper of "good" ideas. Valued Senior Member

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    Kind of reminds me of the film "Shooting Fish". You just left out a brickmaker that makes bricks, for adding some weight to the product after it's finished
     
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  3. merciless146 Registered Member

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    dont you get it? it's so simple!

    a microprocessor is just a part of a computer that scans through the RAM, SAM, & ROM data routinely. to do so, it uses 1 transistor for each bit, & a basic idea for a transistor is the end of a vacuum plug. capacitors & transistors act like switches to stop & allow the current at different times, which gives you binary code (1 & 0). each bit can turn out a 1 or a 0 & join together for a byte (line of 8 bits). an example is 0=00000000, 1=00000001, 2=00000010, 3=00000011, 4=00000100, 5=00000110, 6=00000111, 7=00001000... (the possible outcomes range from 0 to 255). then, once the byte has been formed, it is assigned a certain place in the memory. if you want to load it up again, just type a program that counts up like in the example above & find a way to switch the current. once it finds the target digit it needs to load, it'll then load back to the microprocessor to be deleted, run, edited, & so forth.
     
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  5. Blindman Valued Senior Member

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    All you have to do is build a Turing machine. Its simple and can be built by a single person. There are plenty of examples of home made Turing machines on the net. The Turing machine can do anything as modern CPU can do, just a little slower.
     
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  7. mac2010 Registered Member

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    You guys need to read the book Commodore: A Company on Edge by Brian-Bagnall (just released on 12/15/2010 - can get it through Barns & Noble for $16 bucks). It opens up with Chuck Peddle in his quest of building the 6502 microprocessor with MOS Technologies. It talks about a lot of the techniques they used, how crude they constructed, chemicals used for the finishing process, and other firsts they made & developed to bring chips throug production in the business back in 1975 & 1976 - eye opener and inspiring!
     
  8. kmguru Staff Member

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    I took the Microprocessor design class in my EE graduate studies. What I can remember, it takes a village to build such a chip just like it takes a lot to do a 300 story skyscraper.

    On the other hand, the next generation optical computing can be done on a table top till that gets so complex that you need nanotechnology assembly systems.
     
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