已知程序执行前有A=02H,SP=52H,(51H)=FFH,(52H)=FFH.下述程序执行后:请问:A=?; SP=?; (51H)= ?; (52H)= ?POP DPHPOP DPLMOV DPTR,#4000HRL AMOV B,AMOVC A,@A DPTRPUSH AccMOV A,BINC AMOVC A,@A DPTRPUSH AccRETORG 4000HDB 10H,80H,30H,50H,30H,50H(10分)
发布时间:2024-06-13 22:27:44