Korg Poly800/EX800 Users

Hi Fran,

Thanks for uploading the MKII ROM. I'll have a look at it if I need
to. It is a great idea to have it available in the files section.

Thanks,

Mike.

--- In korgpolyex@yahoogroups.com, "narfman96" <narfman96@...> wrote:
>
> Mike,
> 
>   This is really good work. Since I had my Poly-800 II apart today to 
> do the Moog Slayer mods I copied the firmware and uploaded the 16k 
> file to the group. The part number for the version (on the top of the 
> chip) was 851005. If you haven't seen this file yet maybe it can add 
> some insight. I'm not a programmer so it's all foreign to me. 
> 
>   I'm listening to these mods in a good pair of Sennheiser headphones 
> since everyone is in bed but me. Good thing I'm the only one that can 
> hear this or I'd by shaking the house. Awesome doesn't quite describe 
> what this beast can do now! Thanks to Atom and everyone for sharing 
> this idea. I used a 100k audio taper for the cutoff and a 50k audio 
> taper for the resonance. I have a dpdt switch so I can defeat it and 
> use 21.7k for VR2 and 2.37k for VR5 (the values of the factory pots). 
> I also installed the FM mod pot and the 12/24 db filter mod switch 
> but didn't have enough time today to get them installed. There's 
> always tomorrow.....
> 
> Fran 
> 
> --- In korgpolyex@yahoogroups.com, "korgpolyex800" 
> <korgpolyex800@> wrote:
> >
> > Another little update for you all,
> > 
> > I just completed writing and successfully tested the sysex function
> > that allows me to send new firmware to the two new 8K EEPROM's. This
> > means that I am now going to be able to split the original 8K ROM
> > functions out into the new 16K of ROM space and then just send the 
> new
> > firmware to the EEPROM's as a somewhat long (16K) sysex message.
> > 
> > Up until now, I've had to strip out from the original ROM both the
> > tape functions and the old sysex bulk dump and send functions. So 
> now,
> > I'll be able to put all of the original sysex code and tape 
> functions
> > back into the ROM code while continuing to develop new functions. In
> > particular, now that I've got a whole extra 16K (that's double the
> > original ROM plus the original giving 24K of ROM), I'll be able to
> > immediately start work on the new controllers that we all want to 
> get
> > working. I'll also be able to start looking at the Poly800 ROM to 
> plug
> > the keyboard and joystick controllers back into the EX800 ROM code.
> > 
> > The only thing I haven't done yet is to write a small executable to
> > split an 8K ROM binary image into a 16K nibble based file that will
> > make up the sysex firmware update. I have to do this because the 
> sysex
> > message uses two bytes (high and low nibbles) to form each ROM byte.
> > 
> > Y'all have a great weekend.
> > 
> > Mike.
> >
>