PS/2 Status Register Flags

Macros
#define	PS2_STATUS_OUTPUT_FULL   0x01
	Output buffer is full, data is available to be read.
#define	PS2_STATUS_INPUT_FULL   0x02
	Input buffer is full, cannot send another command until it's clear.
#define	PS2_STATUS_SYSTEM   0x04
	"System" flag, distinguishes between system and non-system events.
#define	PS2_STATUS_COMMAND   0x08
	1 if data in input buffer is a command, 0 if it's data.
#define	PS2_STATUS_TIMEOUT   0x40
	Timeout error has occurred.
#define	PS2_STATUS_PARITY_ERROR   0x80
	Parity error occurred during communication.

Detailed Description