;
DTRHI:	MVI		A,35H		; SETS DTR HIGH
		OUT		CRTS
		JMP		WRTCMD
;
DTRLO:	IN		CRTS
		ANI		4
		JZ		DTRLO		; WAIT FOR TX EMPTY
		LXI		D,1000H
DTRLO0:						; GIVE THE USB A LITTLE TIME
		DCR		E
		JNZ		DTRLO0
		DCR		D
		JNZ		DTRLO0
;
		MVI		A,37H		; TOGGLE DTR AND USB SD0 LOW
		OUT		CRTS
		MVI		A,35H		; RETURN THEM TO HIGH
		OUT		CRTS
		RET					; TIME TO WRAP IT UP
;