How to use a look-up table for ASM51 programming? Thanks?

Question

I need to make stopwatches for microcontroller AT80C4051. Thanks

Answer 1

MYTABLE:
DB 01h 03h 10h 7fh

MOV DPTR, #MYTABLE;get address of "mytable"
MOV A, 03h; get the third value
MOVC A,@A+DPTR; copy the third value to A (10h)