ADD DPTR, #data16 Function: Add immediate 16 bit word to data pointer ADD DPTR, AB Function: Add 16 bit word stored in AB to data pointer MUL16 AB, DPTR Function: Multiply the words contained in AB and DPTR MOVXI AB, @DPTR Function: Load the 16 bit word pointed to by the data pointer into AB, post incrementing the data pointer by 2. MOVXI @DPTR, AB MOVX @direct, a Function: Store Accumulator into a 16 bit direct address MOVX A, @direct