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comp.sys.apple2 |
> I remember someone stating that Z-modem is impossible to do on an Apple //, Streaming doesn't require writing incoming data directly to the hard This is usually the case, unless you are writing to a floppy disk... -- USENET: David.Emp...@bbs.actrix.gen.nz In article <1991Jul30.115721.5...@crash.cts.com> ta...@pro-odyssey.cts.com (Joe Quilici) writes: ZMODEM doesn't have to be used in 'streaming' mode. There is an
> In-Reply-To: message from shrin...@Apple.COM
> mainly because it is a streaming protocol and the Apple can't directly
> write the incoming data to the HD; instead having to pause to write.
initial handshake in which the sender and receiver decide how they
will talk to each other. If the receiver can't handle streaming, it
can tell the sender to wait for an acknowledgement before sending the
next block. Alternatively it could send a message saying 'hang on,
I've lost some data. Can you please re-send from byte XXX'.
drive. It only requires that incoming data is not lost while the hard
drive is being accessed (i.e. interrupts are not disabled for very
long) and that the hard drive can be written to faster than the data
is coming in.
David Empson