M64 - Output ExtOut

Send data to ExtOut, read data from ExtIn.

Syntax

M64 H Q <L>

H	ExtOut SSEL value (1 or 2).
Q	Data send to ExtOut.
L	Total number of bytes send to ExtOut.	(optional)

M64 H Q E <R> <D> <L>

H	ExtOut SSEL value (1 or 2).
Q	Parameter number of first data location.
E	Data count.
R	Parameter number for returned data.	(optional)
D	Returned data count.	(optional)
L	Total number of bytes send to ExtOut.	(optional)

M64 H P Q <L>

H	ExtOut SSEL value (1 or 2).
P	Bit position.
Q	Zero for Off, otherwise On.
L	Total number of bytes send to ExtOut.	(optional)

M64 H1 Q0 L10