汇编串操作程序设计 计算(X+(Y*Z-100))/W

串操作程序设计
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计算 (X+(Y*Z-100))/W
其中：X, Y, Z, 均为十六位有符号数，其存储形式如下，
X DW -13
Y DW 30
Z DW 24
W DW 50

DATAS SEGMENT
            STRBUF DB 10 DUP(?)
DATAS ENDS

STACKS SEGMENT
STACKS ENDS

CODES SEGMENT
            ASSUME CS:CODES,DS:DATAS,SS:STACKS
START:
            MOV AX,DATAS
            MOV DS,AX

            MOV CX,10
            MOV DI,0
REST:    MOV AH,01H
            INT 21H
            MOV STRBUF[DI],AL
            INC DI
            LOOP REST
            
            MOV CX,10
            MOV AL,'&'
            MOV DI,0

CONT:  CMP AL,STRBUF[DI]
            JNZ NEXT

            
            MOV STRBUF[DI],' '
       MOV DH,0
       mov ax,DI
       mov dh,ax
       ADD DH,49
            



NEXT:   INC DI
            LOOP CONT

            MOV CX,10
            MOV DI,0




AGAIN:MOV DL,STRBUF[DI]
            MOV AH,02H
            INT 21H
            INC DI
            LOOP AGAIN

            MOV AH,02H
            MOV DL,DH
            INT 21H

            MOV AH,4CH
            INT 21H

CODES ENDS
            END START