main: runs the entire code step
by step.
Global Variables: GameLevel (selected with
potentiometer), GameEvent (codes if score occured)
Includes: ME218_C32, timers12, PWMS12,
SpinningWheelDetect, SpinningWheelPlay
SpinningWheelPlay: contains
functions which operate the game and user interactions
Includes: ME218_C32, timers12, PWMS12, ADS12
Functions: GreenLight, YellowLight, RedLight (traffic
lights), PointCount, DispenseSwag,
PulseShiftRegClock (controls shift register), ClearRegister (resets
register)
SpinningWheelDetect: Event
checkers and handlers
Includes: ME218_C32, timers12, PWMS12, ADS12
Functions: CheckCoinEvent (penny input),
CheckMotorSelect (level select), HandleMotorSelect
(sets spinning wheel speed), CheckBall (checks if opto-interrupter
has seen a ball),
CurrentState (works with CheckBall to return the current pin state)
MotorControl: functions to
start up the motor at a specified speed
Includes: ME218_C32, timers12, PWMS12
Functions: SlowMotor, MediumMotor, FastMotor
