51单片机,用级联的74HC595驱动8个数码管。程序写完了,但是延时有问题...答:include <intrins.h> sbit SH_CP=P2^2;sbit DS=P2^0;sbit ST_CP=P2^1;char code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};char code wei[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};unsigned char code DSB...