In 2018 Bram Prosman started with his Junior Computer Revival.
His story and the source of documents and image on his website, check there for updated files
I copied over here his 2.0, 2.1 and 2.2 designs of the basic Junior.
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Memory map Junior Computer |
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1980 04 72 Junior Monitor |
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Junior Computer Monitor Listing |
Junior Computer Monitor Original TASM source
TASM_32 for Windows 10, 64 bit
Version 2.0
Built and tested. Note the design flaws in Version 2.0, read this first!
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Junior Computer Schematics V2.00 |
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Junior Computer PCB BOTTOM V2.00 |
| Junior Computer PCB BOTTOM V2.00 Gerbers |
DISCLAIMER – Please note Bram has not tested yet the V2_1 and V2_2 PCB’s!
Version 2.1 and 2.2
Built and tested. Note the design flaws in Version 2.0, read this first!
Version 2.x added support for smaller push buttons instead of the rare and expensive original used Digitasten.
See also:
Part 4 Sorbus runs Wozmon, Apple 1 Basic, MCP
The first test run of the Sorbus computer can be done with two simple images: Wozmon with Apple 1 Basic and the MCP prog...
Sorbus computer part 3: the hardware
The hardware of the Sorbus computers could not be simpler. Designed with care to be as flexible as possible, fully progr...
Sorbus computer (part 2)
Soldering the PCBs
I got from Sven PCBs for the Sorbus and the Sorbus Junior. It took an afternoon to solder all part...
The Sorbus computers
A new development! A minimal 65(C)02 system, called Sorbus designed by Sven Oliver Moll (SvOlli).
Thank you Sven for th...