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TI-92+ I2C | A case study on how to implement an I2C (software!) interface for the TI-92x (and may be TI-89, too). No interface required! |
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Dummy | As the name implies, just a placeholder... |
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PC-1500 3s | A 3s (stupid, simple, slow) interface for Sharp PC-1500. Basic controlled. |
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PC-1500/1600 stuff | I still use them, sometimes. |