On 13/05/2019 08:51, Matt Burke via cctalk wrote:
The protocol specification for MSCP and TMSCP is available here:
http://www.bitsavers.org/pdf/dec/dsa/mscp/
You might also want to look at the implementation of MSCP and TMSCP in Simh:
https://github.com/simh/simh/blob/master/PDP11/pdp11_rq.c
https://github.com/simh/simh/blob/master/PDP11/pdp11_tq.c
Not so useful for tape, but the original MSCP reference which Josh
referred to, the "UDA50 Programmer's Documentation Kit" (QP-905-GZ
comprising AA-L619A-TK, AA-L620A-TK, AA-L621A-TK), is on Bitsavers at
http://www.bitsavers.org/pdf/dec/disc/uda50/
and at
http://www.dunnington.info/public/MSCP/
--
Pete
Pete Turnbull
