SHLD addr (store H and L direct)

((byte 3) (byte 2)) ( L )
((byte 3) (byte 2) +1) ( H )

The content of register L is moved to the memory location whose address is specified in byte 2 and byte 3. The content of register H is moved to the next memory location.

For example:

This instruction moves the content of register L to the memory location and moves the content of register H to the memory location