微机原理实验报告

DATA   SEGMENT
DATA1  DB 32H,39H,30H,35H,34H
DATA2  DB 33H
RESULT DB 6 DUP (00H)
DATA   ENDS
STACK  SEGMENT
STA    DB   20 DUP (?)
TOP    EQU  LENGTH STA
STACK  ENDS
CODE   SEGMENT
ASSUME CS:CODE,DS:DATA,SS:STACK,ES:DATA
START: MOV      AX,DATA
       MOV      DS,AX
       MOV      AX,STACK
       MOV      SS,AX
       MOV      AX,TOP
       MOV      SP,AX
       MOV      SI,OFFSET DATA2
       MOV      BL,[SI]
       AND      BL,00001111B
       MOV      SI,OFFSET DATA1
       MOV      DI,OFFSET RESULT
       MOV      CX,05
LOOP1: MOV      AL,[SI]
       AND      AL,00001111B
       INC      SI
       MUL      BL
       AAM
       ADD      AL,[DI]
       AAA