8085 Programming: 2's COMPLEMENT OF A 16-BIT NUMBER

The 16bit number is stored in C050,C051. The answer is stored in C052,C053



  LXI H,C050

  MVI B,00

  MOV A,M

  CMA

  ADI 01

  STA C052

  JNC GO

  INR B



GO:   INX H

  MOV A,M

  CMA

  STA C053

  HLT

EXAMPLE-> C050=8C,C051=5B

Answer-> C052=74,C053=A4