S: Data source. D: Destination of data movement.
Moves the content in S to D. When the command does not execute, the content
of D does not change.
When X0 = OFF, the content of D10 does not change; if X0 = ON, the value K10
is moved to data register D10.
When X1 = OFF, the content of D10 does not change; if X1 = ON, the current
value of T0 is moved to data register D10.