LJMP START
   ORG 0100H ;skok początkowy o 100 bitów

START:
   mov A, #0FFH
   mov B, #0ABH
   ADD A,B
   ADDC A,B
   ADDC A,B
   SUBB A,B
   MUL AB
   mov B, #10H
   DIV AB
   Nop
   Nop
   Nop
   JMP $
   END START

LJMP START
   ORG 0100H
   START:

   mov A, 1
   mov B, 0
   ORL A,B
   ANL A,B
   XRL A,B
   CPL A
   Nop
   Nop
   Nop
   JMP $
   END START

LJMP START                                                                                                                   LJMP START
 ORG 0100H
 START:

 mov DPTR, #8000H
 movx A, @DPTR
 add A, #10H
 movx @DPTR, A
 Nop
 Nop
 Nop
 JMP $
 END START