FMTribe by munshkr

OPL3 synth/drum machine/thingie focused on live jamming for DOS. Checkout sources.

Esc: Exit
F5: Play / pause
F7: Stop after bar (2 times, stop immeadiately)
F9: Tap tempo
Shift + F9: Toggle metronome
F10: Toggle "follow cursor"
Left: Move to previous frame
Right: Move to next frame
Up: Move to previous channel
Down: Move to next channel
Del: Clear pattern for current channel
Ctrl + Del: Clear pattern for all channels
Tab: Switch instrument editor for the current channel
M: Toggle "apply step changes to all frames"
P: Toggle "play channel instrument"
Z: Toggle "record steps"
Alt + Number: Mute/unmute channel

To toggle a step in the pattern of the 16-step sequencer, use the keys:

        
          Q W E R T Y U I
          A S D F G H J K

To select one of the eight channels, use keys 1 through 8. You can mute a channel anytime using Alt + NumberKey.

Press Alt + StepKey to define microsteps (upto 3 for now).

To customize the parameters of an instrument, press the Tab key, select a field and change its value. The parameters will update automatically if the step sequencer is playing.

Left/Right: Increase/decrease value for the current field
Up/Down: Move between parameter fields

Also, you can still change channels with the numbers from the instrument editor.

To change the base note of the instrument, use the keys:

        
          W   E       T   Y   U
          A   S   D   F   G   H   J

as in a keyboard of one octave. To change the base octave, use PageUp/PageDown.