Klaudiusz Fatla
POLAND • + Follow
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Description
Interal 32KB RAM for ZX81
A simple internal memory extension to 32K with mapping as shown in the photo.
PCB based on Wilf Rigter's solution.
Note:
The interface is the outcome of my own works and tested as far as practically possible.
Warranty:
No Warranty of the Project. The Issuer makes no express or implied warranty of any kind whatsoever with respect to the published files.
Schematic and Layout
Jun 18,2024
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Interal 32KB RAM for ZX81
32KB RAM sub-board based on Wilf Rigter's design
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Published: Jun 18,2024
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