Arduboy Brainf#ck interpreter.
A
- start
B
- menu
ARROWS
- movement
UP/DOWN
- command selection
LEFT
- delete
RIGHT
- insert
A+B
- abort execution
RIGHT
- fast-forward
UP/DOWN
- select input value
UP
- run program
DOWN
- save to EEPROM
LEFT
- read data waiting on serial, overwrite
RIGHT
- write program to serial