I did not mean "movx" here is a little piece of code of how it is being used. I am looking for info on what is done by using the #(TC1+20+20)in the move statement, to me it looks like it is pointing the data pointer to a high byte and low byte (with both offsets)but I am not sure any help would be greatly appreciated

David

IF (VER40)
mov DPS,#00
swap a
push ACC
mov DPTR,#AN2 ;Analog
inc DPS
*******************************************
mov DPTR,#(TC1 + 20 + 20) ;TC
*******************************************
mov r7,#2