若AX=5555H,BX=FF00H,试问在下列程序段执行后,AX=?BX=?CF=? AND     AX, BX                  ; AX = 5500,BX = FF00H  XOR     AX, AX                  ; AX = 0000H              NOT     BX                      ; BX = 00FFH
出自:02277《微型计算机原理应用》