t3-2.asm

上课时老师讲的一些经典的例子；错过了就太可惜了呀

DSEG SEGMENT
XXX DW 1234H
YYY DW 5678H
ZZZ DD ?
DSEG ENDS

CSEG SEGMENT
     ASSUME CS:CSEG,DS:DSEG
START:MOV AX,DSEG
      MOV DS,AX

      MOV AX,XXX
      XOR DX,DX

      ADD AX,AX
      ADC DX,DX

      ADD AX,AX
      ADC DX,DX

      ADD AX,AX
      ADC DX,DX

      ADD AX,AX
      ADC DX,DX

      ADD AX,YYY
      ADC DX,0

      MOV WORD PTR ZZZ,AX
      MOV WORD PTR ZZZ+2,DX

      MOV AH,4CH
      INT 21H
CSEG ENDS
      END START