chuangsong1.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 3510H
    STG1 DB 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
    COUNT DW $-STG1
    ORG 3500H
    STG2 DB 16 DUP(?)
    
       
DATAS ENDS
STACKS SEGMENT PARA STACK 'STACK'
      DB 100 DUP(?)
STACKS ENDS
CODES SEGMENT
    ASSUME CS:CODES,DS:DATAS,SS:STACKS
START:
    MOV AX,DATAS
    MOV DS,AX
    MOV ES,AX
    MOV CX,COUNT
    LEA SI,STG1
    LEA DI,STG2
    CLD
    PUSH SI
    CMP SI,DI
    POP SI
    JGE NO
    ADD SI,000FH
    ADD DI,000FH
    STD
NO: REP MOVSB
    MOV AH,4CH
    INT 21H
CODES ENDS
    END START