20 Jan
2004
20 Jan
'04
7:58 p.m.
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(a)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