一些 汇编 的 东东

.386 CODE SEGMENT USE16 ASSUME CS:CODE START: MOV AL,0110011B ADD AL,1011010B MOV AL,-0101001B ADD AL,-101110B MOV AL,1100101B ADD AL,-1011101B MOV AH,4CH INT 21H CODE ENDS END START ；---------------------------test1.asm----------------- .386 STACK SEGMENT USE16 STACK DB 200 DUP(0) STACK ENDS DATA SEGMENT USE16 BUF1 DB 0,1,2,3,4,5,6,7,8,9 BUF2 DB 10 DUP(0) BUF3 DB 10 DUP(0) BUF4 DB 10 DUP(0) DATA ENDS CODE SEGMENT USE16 ASSUME CS:CODE, DS:DATA, SS:STACK START: MOV AX,DATA MOV DS,AX MOV SI,OFFSET BUF1 MOV DI,OFFSET BUF2 MOV BX,OFFSET BUF3 MOV BP,OFFSET BUF4 MOV CX,10 LOPA: MOV AL,[SI] MOV [DI],AL INC AL MOV [BX],AL ADD AL,3 MOV DS:[BP],AL INC SI INC DI INC BP INC BX DEC CX JNZ LOPA MOV AH,4CH INT 21H CODE ENDS END START ;--------------test2.asm------------------- .386 CODE SEGMENT USE16 ASSUME CS:CODE BEGIN: MOV AX,0 DEC AX ADD AX,07FFFH ADD AX,2 NOT AX SUB AX,0FFFFH ADD AX,8000H OR AX,0BFDFH AND AX,0EBEDH XCHG AH,AL SAL AX,1 RCL AX,1 MOV AH,4CH INT 21H CODE ENDS END BEGIN ;------------------test4.asm----------- ;---------------------------- STACK SEGMENT STACK DB 200 DUP(0) STACK ENDS ;---------------------------- DATA SEGMENT hello DB '$This is a test program' hello2 DB ? DATA ENDS ;------------------------------ CODE SEGMENT ASSUME CS:CODE,DS:DATA,SS:STACK BEGIN: MOV AX,DATA MOV DS,AX MOV DI,OFFSET hello+23 MOV SI,OFFSET hello2 MOV CX,SI LOAP: MOV BL, [DI] MOV [SI],BL INC SI DEC DI DEC CX JNE LOAP LEA DX,hello2 MOV ah,9 ;display int 21h MOV AH,4CH ;exit INT 21H ;----------------------------- CODE ENDS END BEGIN