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:
EMUF M50734
In the MC Magazine 11 1991 a special EMUF is published.
It is based upon the 6502 compatible Mitsubishi M50734 CPU. T...
KGN COMAL
COMAL is an interpreted structured language. A version for the KIM-1, Junior and DIS65 is available, distributed by the ...
PAL-2
4 february 2025 2025 I have built the PAl-2 kit, now designing and building a I/O card.
This information is based upon ...
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...