Eight bit transistor computer

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Details:

274 SMD transistors, countless SMD resistors and SMD 0 Ohm bridges.

January 2013 Start, with paper circuits, then: (much trys / bad modules / and so forth...)

Easter 2014: Gate problems solved and production of the modules started.

June 16, 2014 got finished with the second computer.

July 3, 2014 completion, redesigned the AL chip. (output logic)

What will be added?
16 Byte RAM.
ROM for basic calculation programs.
Serial interface for communication.
Binary to decimal decoder for 7-segment displays.
Maybe i change it to a 8 bit ALU.
A clock signal, to save power.

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