MF Instant Gratification Mapping V1.0 (S4 and other controllers)

Fourbanks Internal
------------------

Fourbanks Internal mode sets aside the top row of four keys as Bank Select
keys, selecting between four different banks of keys where each bank is
accessed using the lower 12 keys. The currently selected bank is highlighted
with an LED on the top row. When a Bank Select key is pressed, the LED on
that key is illuminated and the bottom three rows of buttons switch their
Note values and LED state to reflect the newly selected bank.

The bank is selected by reacting to the most recently pressed key, and if
two keys are pressed simultaneously the leftmost key is selected. When a
bank key is pressed it emits a "Bank Select" NoteOn and the unselected bank
(even if it is currently active) sends a NoteOff. Bank select notes are in
the range 0 to 3. After the bank is selected, only the currently active bank
can emit NoteOn/NoteOff events as a normal key. This ensures that only one
Bank is selected at any time.

Key LEDs can be controlled by sending the Midifighter a NoteOn event with
the same channel and Note that the key generates. Note states are tracked
across all four banks and LEDs will correctly reflect the NoteOn/NoteOff
state of the keys as you switch banks.

Adding in the Bank Select notes and expansion port notes (described later),
the Fourbanks Internal MIDI map looks like this:

    .  .  .  .   <- 124 .. 127
    .  .  .  .   <- 120 .. 123
    .  .  .  .   <- 116 .. 119
    .  .  .  .   <- 108 .. 115
   A2 A2 A3 A3   <- 104 .. 107 = Smart Fader 2,3
   A0 A0 A1 A1   <- 100 .. 103 = Smart Fader 0,1
    .  .  .  .   <- 96 .. 99
    .  .  .  .   <- 92 .. 95
    .  .  .  .   <- 88 .. 91
    .  .  .  .   <- 84 .. 87
    4  4  4  4   <- 80 .. 83 = bank 4 
    4  4  4  4   <- 76 .. 79 = bank 4 
    4  4  4  4   <- 72 .. 75 = bank 4 
    3  3  3  3   <- 68 .. 71 = bank 3 
    3  3  3  3   <- 64 .. 67 = bank 3 
    3  3  3  3   <- 60 .. 63 = bank 3 
    2  2  2  2   <- 56 .. 59 = bank 2 
    2  2  2  2   <- 52 .. 55 = bank 2 
    2  2  2  2   <- 48 .. 51 = bank 2 
    1  1  1  1   <- 44 .. 47 = bank 1 
    1  1  1  1   <- 40 .. 43 = bank 1 
    1  1  1  1   <- 36 .. 39 = bank 1 
    .  .  .  .   <- 32 .. 35
    .  .  .  .   <- 28 .. 31
    .  .  .  .   <- 24 .. 27
    .  .  .  .   <- 20 .. 23
    .  .  .  .   <- 16 .. 19
    .  .  .  .   <- 12 .. 15
    .  .  .  .   <- 08 .. 11
   D1 D2 D3 D4   <- 04 .. 07 = Digital Input
   S1 S2 S3 S4   <- 00 .. 03 = Bank Select