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Old 1st May 2012, 12:04   #1
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8 Bit Spaghetti documents home computer build

Kyle Hovey is documenting his homebrew 8-bit computer, built at the TTL level, and it's a fascinating read.

http://www.bit-tech.net/news/hardwar...it-spaghetti/1
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Old 1st May 2012, 12:19   #2
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Proper hardcore
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Old 1st May 2012, 12:23   #3
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Old 1st May 2012, 12:31   #4
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First Paragraph - "more simpler"

That made my head hurt :P
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Old 1st May 2012, 13:24   #5
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Old 1st May 2012, 13:39   #6
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Sorry to be a Grammar/Typo Nazi but...

"The bulk of the computer is build, with testing taking place now..."

I think you meant "built"

Wonderful project. Can someone clarify if this has been built with a large number of transistors or diodes or something else? Am going to have to go and read the full article and history from scratch me thinks
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Old 1st May 2012, 13:51   #7
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Quote:
Originally Posted by Fantus View Post
First Paragraph - "more simpler" That made my head hurt :P
Quote:
Originally Posted by Tattysnuc View Post
Sorry to be a Grammar/Typo Nazi but... "The bulk of the computer is build, with testing taking place now..." I think you meant "built"
Me fail English? That's unpossible! (Both fixed, ta!)
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Old 1st May 2012, 14:50   #8
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When i looked at the picture i thought "that's almost like something you'd make in minecraft". Then i read the third paragraph and i was like AHA!
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Old 1st May 2012, 15:42   #9
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Old 1st May 2012, 16:38   #10
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i'd like to see what it can do and how it performs, seems really interesting. of course i'm not expecting much out of it but it'd be interesting to know if it can even run a mainstream OS like linux or DOS.
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Old 1st May 2012, 16:47   #11
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i'd like to see what it can do and how it performs, seems really interesting. of course i'm not expecting much out of it but it'd be interesting to know if it can even run a mainstream OS like linux or DOS.
Not a chance: for a start, it's an eight-bit system; secondly, its entire output consists of a bunch of Nixie tubes capable of showing a number from zero to nine. While it wouldn't be *impossible* to build a computer capable of running *NIX from discrete components, it'd be prohibitively large and bankrupt you in the processes - assuming running the wiring loom didn't send you crazy beforehand.
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Old 1st May 2012, 21:27   #12
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This gives a whole new (or should that be "old") meaning to "I build my own computers"

Hardcore indeed.
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Old 1st May 2012, 21:29   #13
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Old 2nd May 2012, 07:28   #14
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Wow, really cool. and I thought I was hardcore for making a full adder in my computer architecture class...
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Old 7th May 2012, 04:35   #15
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Quote:
Originally Posted by greigaitken
somebody needs to make a cable that glows when current flows through it
Considered EL Wire?
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Old 7th May 2012, 11:48   #16
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I agree, computers are a lot more simple at the low level than people suspect. When you break it down piece by piece and use the concept of a 'magic box that does X when I input Y', it becomes very simple.

The problem is, while I could probably spec one myself (having done no more electronics past A-level) designing one becomes very complicated very quickly. There's an awful lot of discrete components even in a simple ALU.
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