dad double add instruction the contents of

Question

DAD Double Add Instruction

The contents of register  R_P are added  to the  contents  of HL register pair  and results of addition is stored  in HL register pair. R_P  may be any  of the  register  pair BC, DE, HL, or SP. The instruction format is

DAD RP                       ( HL - HL- +R_P )

Flags: If  result is larger than  16 bit the  CY flag  is set. No other flag are affected.