Bitfields for external event wait condition type:
Bit(s)	Description	)
 0-2	condition to wait for
	0 any external event
	1 compare and return if equal
	2 compare and return if not equal
	3 test and return if not zero
	4 test and return if zero
 3	reserved
 4	1=port address, 0=user byte
 5-7	reserved