A.XOR CL,0FH B.NOT CL C.OR CL,0AH D.AND CL,0FH
A.OUT AX,30H B.OUT DX,AL C.OUT AL,DX D.OUT 30H,AH
A.反匯編B.匯編C.查看數(shù)據(jù)D.寫入數(shù)據(jù)