OPEN
Returns:
R0<63:62> = 00 Success
R0<63:62> = 10 Failure, device does not exist
R0<63:62> = 11 Failure, device can not be accessed or prepared
R0<61:60> Should be zero
R0<59:32> Device-specific error status
R0<31:0> Assigned channel number for this device
Console 16–63
