xunhuan2.asm

用汇编语言编写的在MASM上实现大小写转换,排序,比较大小的源程序和可执行文件

DATAS SEGMENT
    ORG 3500H
    S DW 0
    ;此处输入数据段代码  
DATAS ENDS

STACKS SEGMENT
    DB 100 DUP(?)
    ;此处输入堆栈段代码
STACKS ENDS

CODES SEGMENT
    ASSUME CS:CODES,DS:DATAS,SS:STACKS
START:
    MOV AX,DATAS
    MOV DS,AX
    AND AX,0
    MOV DX,0001H
    MOV BL,02H
NEXT:MOV AL,BL
    ADD BL,01H
    MUL BL
    ADC DX,AX
    CMP AX,200
    JLE NEXT
    MOV S,DX
    ;此处输入代码据段代码
    MOV AH,4CH
    INT 21H
CODES ENDS
    END START