[sdiy] 303 cpu/feature hacking

[Colin f]

> From:  Anthony Bisset <abisset at dspaudio.com>
> Subj:  [sdiy] 303 cpu/feature hacking
> Date:  Sat 6 May 2006 4.01 pm

> anyone taken a shot at manually turning on the interrupts in 
> the 303 while
> in the write mode?  i'm curious if it could be kludged into 
> giving us a
> compose while playing mode.  perhaps using a second 303 cpu 
> that is always
> playing while the first is writing/wired to the interface.  hahaha,
> this is a cool mod, any warnings before i attempt this?  i 
> need another
> 303 cpu.  anyone selling?

The interrupt routine on the 303 CPU handles the key scanning and LED
refresh.
The sequence playback is handled by the main program loop.
If you want to edit while playing, you'll need to use a new CPU and re-write
the OS.

Cheers,
Colin f