Circuitbenders Forum

Please login or register.

Login with username, password and session length
Advanced search  

News:

Author Topic: Custom DDD-1 Roms  (Read 7859 times)

LoFi-Ninja

  • Dayglo Volunteer of International Masturbation
  • ***
  • Karma: 8
  • Offline Offline
  • Posts: 136
Custom DDD-1 Roms
« on: July 30, 2009, 03:00:17 AM »
Looking at this site http://www.geocities.com/korgdddmods/index

It seems that making your own "rom cards" is rather straight foreward.




The last update was almost 8 months ago so it seems this project is dead..

Can anyone shed some light on the preperations of the samples before they get burned to the EPPROM ? I'm guessing you might know something about this Gordon..
Logged

Gordonjcp

  • This person is dangerously insane.
  • *******
  • Karma: 78
  • Offline Offline
  • Posts: 1005
    • http://www.nekosynth.co.uk
Re: Custom DDD-1 Roms
« Reply #1 on: July 30, 2009, 09:44:33 AM »
Like most early digital drum machines, the samples are probably 8-bit, probably unsigned although they may use some oddball coding like µ-law (the Sequential Drumtraks has this).  If you can pull an existing ROM or even the internal one, it should be possible to work it out from that.
Logged
If at first you don't succeed, stick it through a fuzzbox.

LoFi-Ninja

  • Dayglo Volunteer of International Masturbation
  • ***
  • Karma: 8
  • Offline Offline
  • Posts: 136
Re: Custom DDD-1 Roms
« Reply #2 on: July 30, 2009, 01:24:00 PM »
I have a couple of the original cards.. How would one do that ? I have no experience with EPPROMS and the like..
Logged