the most important files to grab are:
script
script2
substr
EFFECT___.VS2

script will run substr repeatedly to extract fx processore patches from
the EFFECT.VS2 file.  Then run script2 to diff various patches from the
reference patch (U04).  the output is in files called spaz and spaz2.

results so far:

-------------VCO Section------------
Trigger in  0=Off 1=On    0x63
Velocity 0-127            0x65
Note Number 0=C-1  1=C#-1 0x67
Portamento 0=Off 1=On     0x69
Portamento Time 0-127     0x6b

-------------LFO Section------------
Fade Time                 0x6d
Rate                      0x6f and 0xfb
Waveform 0=TRI 1=SQU      0x71
Tempo Sync 0=Off 1=1/16+3 0x73