[pups] roll-your-own-unibus boards?
David Evans
dfevans at bbcr.uwaterloo.ca
Tue Jan 20 23:58:31 AEST 2004
On Mon, Jan 19, 2004 at 10:39:33PM -0800, Michael Davidson wrote:
> Several people have built IDE controllers for the QBUS.
>
> ftp://digital.dp.ua/DEC/ata/README.txt
>
This one even claims to have a Unibus variant!
> Yes, but assuming that you are only implementing programmed i/o
> there will be so little logic involved that you might as well just use
> discrete TTL.
>
I think that's what the above gizmo does. However, a DMA engine may not
be difficult with the appropriate FPGA.
--
David Evans dfevans at bbcr.uwaterloo.ca
Ph.D. Candidate, Computer/Synth Junkie http://bbcr.uwaterloo.ca/~dfevans/
University of Waterloo "Default is the value selected by the composer
Ontario, Canada overridden by your command." - Roland TR-707 Manual
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