At 01:51 PM 03/06/99 +0100, you wrote:

>>I made a diskROM like that which reads DSK images from PC to MSX through
>>the JoyNet cable. At the moment, it is read-only and works under DOS1
>>(MSX-DOS and BASIC). I can send you the code if you like. The main problem
>>with the code is that my protocol cannot recover from errors. The protocol
>>is constructed in such a way that errors are rare, but they do occur
>>sometimes (about once in 50 megs).
>
>That's too often... Can't you include 2 more checksum-bits???

Checksum won't work. A transmission error can put the protocol into deadlock.
I probably have to make some kind of timeout check, but I haven't figured
out how to do that without seriously damaging performance.

>By the way, if
>you are transferring between two computers you can use a 2-bit protocol
>instead of a 1-bit protocol... Maybe mine??? :)

As far as I can remember, your protocol is different.

Bye,
                Maarten



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