Category: serial I/O

INT 14 - HUNTER 16 - CONTROL HANDSHAKE LINES

	AH = 23h
	BH = handshake line to set (00h RTS, 01h DTR)
	BL = new level (00h low, 01h high)
Return: nothing
Desc:	sets the handshake lines of COM1 to the desired level
SeeAlso: AH=21h"HUNTER",AH=24h"HUNTER"