aaa.asm

汇编语言的设计

       ORG   0000H
       LJMP  MAIN
       ORG   1000H
MAIN:  MOV   81H,#50H
       MOV   R0,#20H
       MOV   @R0,#45H
       INC   R0
       MOV   @R1,#74H
       MOV   R1,#30H
       MOV   @R1,#67H
       INC   R1
       MOV   @R1,#28H
       CLR   C
       MOV   R2,#02H
L2:    ACALL L1
       DEC   R0
       DEC   R1
       DJNZ  R2,L2
       CLR   A
       MOV   ACC.0,C
       NOP
       MOV   @R0,A
L3:    SJMP  L3
       NOP
L1:    MOV   A,@R0
       ADDC  A,@R1
       DA    A
       MOV   @R0,A
       RET
       END