On Tue, 19 Feb 2019, Fred Cisin via cctalk wrote:
As I see it, flux transition hardware COULD be all
that is needed for
hardware. Emulation of FDC could be done in software with flux
transition hardware.
That should read flux transition plus appropriate control signals for the
drive. Seeking tracks, turn on the drives R/W circuitry, etc.
Flux transition ITSELF is just making sense out of the pulses on the
track.