Korg Poly800/EX800 Users

Hey Mike,

that's conversion, not conversation. Dim wit!

Mike.


--- In korgpolyex@yahoogroups.com, "korgpolyex800" <korgpolyex800@...>
wrote:
>
> Well more good news from the software upgrade front.
> 
> I finally managed to get my binary conversation C program working
> correctly. It was one of those maddening problems with my code. I
> opened the binary file in text mode instead of binary mode which
> caused the binary image file read to fail and I could only get maybe
> 100 or so bytes into the program instead of the whole binary image. A
> quick change from "rt" to "rb" fixed it. It just took me a couple of
> hours to find it. Frustrating!
> 
> The conversation utility takes an assembly binary file as input and
> strips out just the data for the lower or upper EEPROM and writes it
> to a file along with the necessary sysex preamble and EOX (F7) at the
> end. I then open up MIDI-OX and open the file and send the binary
> image straight to the EX800 EEPROM's.
> 
> To test that it actually works, I just now took all of the old tape
> functions and relocated them back into the first EEPROM. And it
> worked! Now I have an EX800 will all of the new sysex functions as
> well as the original tape functions.
> 
> Now I can get down to writing new EX800 functions again. Only this
> time, all I have to do to test the code is run the C utility on the
> assembly binary file and then send the code update straight to the
> EX800 as a sysex firmware update.
> 
> I am over the moon that this all works since I have now finished the
> major utility part of the work to upgrade the EX800. The only
> remaining utility tasks will be to design the circuit board itself,
> put user assembly instructions together, that sort of thing.
> 
> The major new tasks will be the fun part of adding new functions to
> the EX800.
> 
> Won't be long now before I have a kit available to us all.
> 
> Mike.
>