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data segment number1 db -3;给定的整数number2 db ?;存放给定整数的绝对值data ends code segment assume ds:data,cs:code main proc far mov ax,data mov ds,ax mov al,number1test al,80hjz disp;如果给定整数是正数则转到dispneg al;为负数，则求出绝对值disp:mov number2,al;按任意键退出mov ah,1int 21hmov ax,4c00h int 21h main endp code ends end main |
