设计一个基于单片机的万年历程序答:include<reg51.h>#include"lcd.h"#include"ds1302.h"sbit K1=P3^1;sbit K2=P3^0;sbit K3=P3^2;sbit K4=P3^3; //管脚接线unsigned char character0[24] = {0x08,0x0f,0x12,0x0f,0x0a,0x1f,0x02,0x02,0x0F,0x09,0x0F,0x09,0x0F,0x09,0x13,0x00,//"月"代码 0x01 ...