20 #ifndef MACHINE_KEYBOARD_H    21 #define MACHINE_KEYBOARD_H    83     virtual bool getDebugState() = 0;
 virtual void initialise()=0
virtual char getCharNonBlock()=0
virtual void setLedState(char state)
KeyboardLeds
Bit numbers follow the same format as the PS/2 keyboard LED byte. 
virtual void setDebugState(bool enableDebugState)=0
virtual char getLedState()