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2 commits

Author SHA1 Message Date
Howard M. Harte
33aad32550 AltairZ80: TDD: Remove unused variable. 2022-11-19 13:48:34 -05:00
Howard M. Harte
f77485ca99 AltairZ80: Add Tarbell Double-Density FDC
This controller is based the wd179x, adding a couple of Tarbell-specific
registers.
2022-11-15 12:21:58 -05:00