A..SP=07H PC=00H P0=P1=P2=P3=FFH B..SP=00H PC=0000H P0=P1=P2=P3=00H C..SP=07H PC=0000H P0=P1=P2=P3=FFH D..SP=00H PC=00H P0=P1=P2=P3=00H
A.數(shù)據(jù)指針DPTR B.按存儲(chǔ)單元地址或名稱 C.堆棧指針SP D.由R0或R1作間址寄存器
A.堆棧底 B.堆棧頂 C.堆棧地址 D.堆棧中間位置