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 [ 5 posts ] 
 The Story behind Zusie 
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Joined: Wed Jan 16, 2013 2:33 am
Posts: 165
The Story behind Zusie

It is basically based on the Z1 which is a relay computer or the first binary mechanical computer.

8-bit data bus and 16-bit address bus
3 x 8-bit accumulator registers, 2 x 12-bit registers (for index, addresses and jumps)
64k solid state memory, holding heap, stack and program
12-bit program counter and 12-bit stack pointer
ALU capable of not, and, or, xor, add, increment, decrement, shift, and indirectly, subtraction
Writable microprogram stored in solid-state device for sequencing
Assembler and Microassembler running in DOS and communicating with Zusie over parallel port.

Thu Jan 22, 2015 11:02 pm

Joined: Wed Jan 09, 2013 6:54 pm
Posts: 1754
Z3 I think? A very nice project, very impressive. There are many videos: ... BD&index=2


There's also an emulator.

Fri Jan 23, 2015 11:18 am

Joined: Tue Dec 31, 2013 2:01 am
Posts: 116
Location: Sacramento, CA, United States
That's about the coolest 0.000003 MIPS computer I've ever seen!

Mike B.

Sat Jan 24, 2015 2:42 am

Joined: Wed Jan 16, 2013 2:33 am
Posts: 165
The visual part reminds me of the Whopper from the MGM film or IMSAI 8080 Microcomputer System which was a vanity computer but I do think the Zusie has some real CPU power.

Sat Jan 24, 2015 6:52 pm

Joined: Wed Apr 24, 2013 9:40 pm
Posts: 213
Location: Huntsville, AL
I have enjoyed this thread very much. I have been aware of the Zuse computer, but the story of Zusie is terrific. I do, however, have to rate Chuck's whopper as the best comment. :D I have been a long time fan of the "War Games" movie, and always liked the scenes with the moving lights across the WOPR.

Michael A.

Sat Jan 24, 2015 11:30 pm
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