更灵活的定位内存地址的方法（学习汇编）

assume CS:codesg,DS:datasg

datasg SEGMENT
     DB ‘ibm               ‘
     DB ‘dec               ‘
     DB ‘dso               ‘
     DB ‘vax               ‘
datasg ENDS

stacksg SEGMENT
    DW 0,0,0,0,0,0,0,0
stacksg ENDS 

codesg SEGMENT
    start : MOV AX,datasg
                    MOV DS,AX
                    MOV DX,stacksg
                    MOV SS,DX
                    MOV SP,16
                    MOV BX,0
                    MOV CX,4
            s0: PUSH CX
                MOV SI,0
                    MOV CX,3
            s:    MOV AL,[BX+SI]
                    AND AX,11011110b
                    MOV [BX+SI],AL
                    INC SI
                    LOOP s
                    ADD BX,16
                    POP CX
                    INC BX
                    LOOP s0
                    MOV AX,4c00h
                    INT 21h
codesg ends 
end start