#include #define uint unsigned int #define uchar unsigned char sbit E=P2^7; sbit RS=P2^6; sbit RW=P2^5; int num,num1=55,num2=59,num3=23,num4=1999,num5=12,num6=31,tianshu,add,date; uchar code table[]="23:59:55"; uchar code table1[]="1999/12/31"; void delay(uint q) { uint h,i; for(h=q;h>0;h--) for(i=110;i>0;i--); } void write_com(uchar com) { RS=0; delay(5); RW=0; delay(5); P0=com; E=1; delay(5); E=0; } void write_data(uchar date) { RS=1; delay(5); RW=0; delay(5); P0=date; E=1; delay(5); E=0; } void daymax() { switch(num5) { case 1: tianshu=32; break; case 2: if((num4%4==0&&num4%100==0)||(num4%400==0)) { tianshu=30; } else tianshu=29; break; case 3: tianshu=32; break; case 4: tianshu=31; break; case 5: tianshu=32; break; case 6: tianshu=31; break; case 7: tianshu=32; break; case 8: tianshu=31; break; case 9: tianshu=31; break; case 10: tianshu=32; break; case 11: tianshu=31; break; case 12: tianshu=32; break; } } void write_sfm(int add,int date) { int shi,ge; shi=date/10; ge=date%10; write_com(0x80+add); write_data(0x30+shi); write_data(0x30+ge); } void write_nyr(int add,int date) { int shi,ge; shi=date/10; ge=date%10; write_com(0x80+0x40+add); write_data(0x30+shi); write_data(0x30+ge); } void dispiay() { { uchar n1=num4/10,n2=num4%10; write_sfm(6,num1); write_sfm(3,num2); write_sfm(0,num3); write_nyr(7,num6); write_nyr(5,num5); write_nyr(2,n2); write_nyr(0,n1); } } void zhongduan_time()interrupt 1 { TH0=(65536-50000)/256; TL0=(65536-50000)%256; num++; daymax(); } void init() { if(num==20) { num=0; num1++; if(num1==60) { num1=0; num2++; if(num2==60) { num2=0; num3++; if(num3==24) { num3=0; num6++; if(num6==tianshu) { num6=1; num5++; if(num5==13) { num5=1; num4++; write_nyr(0,num4); } write_nyr(5,num5); } write_nyr(8,num6); } write_sfm(0,num3); } write_sfm(3,num2); } write_sfm(6,num1); } } void main() { int j,k; E=0; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); TMOD=0x01; TH0=(65536-50000)/256; TR0=(65536-50000)%256; EA=1; ET0=1; TR0=1; write_com(0x80+2); write_data(':'); write_com(0x80+5); write_data(':'); write_com(0x80+0x40+4); write_data('/'); write_com(0x80+0x40+7); write_data('/'); daymax(); write_com(0x80); for(j=0;j<8;j++) { write_data(table[j]); delay(5); } write_com(0x80+0x40); for(k=0;k<10;k++) { write_data(table1[k]); delay(5); } while(1) { init (); } } 有没有大神帮忙看一下为什么我这一个显示的时候年的递增总是有错误
你这代码没有格式化，看不懂代码
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