基于51数码管显示的万年历(仿真+程序[完整])(4)

}break; case 0x77: {

//today.week++;

if(today.week>1) today.week--; else today.week=1; smg_display();

}break; case 0x6f: {

//today.day++;

k=leap_year(today.year[1],today.year[0]); if((k==1)&&(today.month==2)) {

if(today.day>1) today.day--; } else {

if(today.day>1) today.day--; else

else today.day=29;

today.day=months_days[today.month-1];

}

smg_display();

}break; case 0x5f: {

//today.month++;

if(today.month>1) today.month--; else today.month=12; smg_display();

}break; case 0x3f: {

//today.year[0]=today.year[0]+1;

if(today.year[0]>0)

today.year[0]=today.year[0]-1; else {

today.year[0]=99;

today.year[1]=today.year[1]-1; }

smg_display();

}

}

}break;

default:{EA=1;EX0=0;TR0=1;}break;

}break;