RBIL61 - INT 21 - Phar Lap 386/DOS-Extender v6.0+ - GET/SET PROCEDURE ADDRESS {protected mode, partially documented}

INT 21 Pu - Phar Lap 386/DOS-Extender v6.0+ - GET/SET PROCEDURE ADDRESS         
	AX = 2545h
	ECX = direction (00h get, 01h set)
	???
Return: ???