A 512 KB Paged Memory Expansion for the TRS-80 Model I & III
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Updated
Oct 17, 2026 - Assembly
A 512 KB Paged Memory Expansion for the TRS-80 Model I & III
Sharp X68000 Combo Card combining the Galspanic and Midiori projects
The final evolved version of gemini-mem
512kB external RAM expansion board for the Sinclair QL, with SuperBASIC/68008 RAM test software (KiCad, CERN-OHL-S v2)
Open research on a proposed CXL Type-3 optical memory module and ESP32-S3 Light-RAM demonstrator. Reproducible Python tests: 22/22 PASS (software only). Optical hardware, UV ECC and CXL performance remain unvalidated. English/Danish docs; CERN-OHL-S-2.0 + MIT.
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