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Brian White

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  • Oct 25,2025
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FLASH ROM IC-Card for TANDY WP-2

ROM IC-Card for TANDY WP-2 and related machines.

FLASH ROM IC-Card for TANDY WP-2
 
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Tools, APP Software Used etc.

  • Kicad

  • OpenSCAD, a 3D modeling programming language

    Open Source

Story

 

Flash-based ROM IC-Card for TANDY WP-2

Supports writing directly from the WP-2 without a seperate programmer and programming adapter with a relatively simple and reversible even solderless mod to the WP-2.

See the github repo for full info and files:

https://github.com/bkw777/WP-2_IC-Card/

ROM image and software for writing the rom to the card:

Ben Grimmett's ROM card writing software kit v2 on facebook


The 3d-printed cover below assumes a 256K flash chip (39SF020A) so no bank switch, and no write-enable switch (use a solder-blob instead).  
If you want to fully populate with a 512k chip and both switches, then see the github for the openscad file to generate a version of the cover with cavities and sliders for the switches.

Schematic and Layout
  • https://github.com/bkw777/WP-2_IC-Card/
    View
CAD-Custom parts and enclosures
  • top cover

    WP-2_IC-Card_Cover_ROM_nobanksw_nowritesw_111243775468fbe90d6aba2.stl
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FLASH ROM IC-Card for TANDY WP-2

ROM IC-Card for TANDY WP-2 and related machines.

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