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Vortex Disc Drives

20 bytes added, 13:47, 10 September 2021
/* I/O Ports */
FBF6h 765 FDC (Vortex,ext) Status Register (Read)
FBF7h 765 FDC (Vortex,ext) Data Register (R/W)
FA7Eh Floppy Motor On/Off Flipflop (nearly same as normal, bit precise)
(The Special addresses are mentioned in the manual
for the Vortex -X drives) (but apparently they are referring
TFM
2,122
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