thanks for looking at that John. Yes, motivation is for CP/M and large files. I believe I can get TPDD protocol to run on the BCR TTL port since it is half duplex and limited in response message size to 128 bytes + a few.
I'm eager to try it out and see how far I can push it. ..Steve On Mon, Apr 20, 2020 at 4:07 PM John R. Hogerhuis <jho...@pobox.com> wrote: > I'd have to add it. For large files like you're testing with it could make > a difference. > > I've never bothered with higher rates because TS-DOS doesn't support it > and the main problem with speed of TPDD protocol is the request/response > nature of the protocol, small message size, and the fact that directory > enumeration is done one filename at a time. > > I think just packing all directory entries into one message would make a > massive speedup. Ken was working on a feature for NEWDOS/NADSBox but as of > recent discussions it was in progress. > > -- John. > >>