MASSBUS disk emulator (Was: Unibus controller for MFM disks)

Noel Chiappa jnc at mercury.lcs.mit.edu
Wed Oct 19 10:49:29 CDT 2016


    > From: Rich Alderson

    > Yes, the d/r card is strictly level conversion, and the microcode in
    > the Xilinx does all the Massbus protocol.

So if you don't mind continuing to indulge my curiousity (thanks for all the
indulgence so far :-), is the D/R card a daughtercard that mounts on the Mesa
(my guess)?

	Noel


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