Preset file
===========
Offset  Size  Description
-------------------------
$00     4     ??
$04     4     ??
$08     4     ??
$0c     4     File type magic 'GAME' (or 'EMAG' for big-endian)
$10     4     File subtype magic 'TSPP'
$14     4     ??
$18     4     Sync (boolean) [float32]
$1c     4     Grid (real number 0<Div<1) [float32]
$20     4     Swing (%) [float32]
$24     4     Feedback (boolean) [float32]
$28     4     Feedback tap (0-based) [float32]
$2c     4     Feedback gain (dB) [float32]
$30     4     Dry gain (dB) [float32]
$34     4     Wet gain (dB) [float32]
$38     4     Selected tab (0=level, 1=pan, 2=cutoff, 3=reso, 4=transp) [float32]
$3c     4     Currently edited tap (0-based) [float32]
$40     4     Autozoom (boolean) [float32]
$44     4     Display time range start + 1 (ms) [float32]
$48     4     Related to display range length (1=full size) [float32]
$4c     -     Sequence of blocks

'Info' Block
============
Offset  Size  Description
-------------------------
$00     4     Block magic 'ofnI'
$04     4     Block size [uint32]
$08     4     ??
$0c     4     ??
$10     4     ??
$14     4     ??

'Tap' Block
============
Offset  Size  Description
-------------------------
$00     4     Block magic '?paT', where '?' is replaced with a letter A-Z
$04     4     Block size [uint32]
$08     4     Delay (ms) [float32]
$0c     4     Unique ID? (1-based) [float32]
$10     4     Level (dB) [float32]
$14     4     Mute (boolean) [float32]
$18     4     Pan (%) [float32]
$1c     4     Spread (%) [float32]
$20     4     ?? [float32]
$24     4     ?? [float32]
$28     4     ?? [float32]
$2c     4     ?? [float32]
$30     4     ?? [float32]
$34     4     Flip (boolean) [float32]
$38     4     ?? [float32]
$3c     4     Highpass cutoff (Hz) [float32]
$40     4     Lowpass cutoff (Hz) [float32]
$44     4     Filter enabled (boolean) [float32]
$48     4     Resonance (%) [float32]
$4c     4     Filter slope (0=6dB/oct, 1=12dB/oct) [float32]
$50     4     Transpose (semitones) [float32]
$54     4     Pitch enabled (boolean) [float32]
