)
Values NESL Consumer Notification Procedure is called with:
	ES:SI -> Event Parameter Block (EPB) (see #03024)
Return: AX = completion code (0000h, 8005h) (see #03019)
	ES:SI -> still points to EPB
Desc:	Called by NESL to notify the consumer when an event has occurred in
	  an event class for which it has registered.
SeeAlso: #03022