已知程序执行前有A=02H,SP=42H,(41H)=FFH,(42H)=FFH。下述程序执行后, A=____;SP=____;(41H)=____;(42H)=____;PC=____。POP DPHPOP DPLMOV DPTR,#3000HRL AMOV B,AMOVC A,@A+DPTRPUSH AccMOV A,BINC AMOVC A,@A+DPTRPUSH AccRETORG 3000HDB 10H,80H,30H,80H,50H,80H