• 2021-04-14
    例:

    MOV SP, #18H ; (SP)=?
    MOV A, #30H ; (A)=?
    MOV DPTR, #1000H ; (DPTR)=?
    PUSH A ; (SP)=? (19H)=?
    PUSH DPH ; (SP)=? (1AH)=?
    PUSH DPL ; (SP)=? (1BH)=?
    POP DPL ; (DPL)=? (SP)=?
    POP DPH ; (DPH)=? (SP)=、
    POP A ; (A)=? (SP)=?