基于51数码管显示的万年历(仿真+程序[完整])(3)

}

}

}

}

}

{

today.month=1; }

today.year[0]=today.year[0]+1; if(today.year[0]>=100) {

today.year[0]=0;

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

if(today.year[1]==100) {

today.year[1]=0; }

}

smg_display();

/*************INT0中断服务子程序*****************/

void int0_int() interrupt 0 using 1 {

uchar k; switch(add_sub) {

case 0x80:switch(key_detection) {

case 0xfe: {

now.second++; if(now.second>=60)

smg_display();

}break; case 0xfd: {

now.minute++; if(now.minute>=60)

smg_display();

}break; case 0xfb: {

now.hour++;

now.second=0; now.minute=0;

if(now.hour>=24) now.hour=0; smg_display();

}break; case 0xf7: {

today.week++;

if(today.week>=8) today.week=1; smg_display();

}break; case 0xef: {

today.day++;

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

if(today.day>=30) today.day=1; } else

if(today.day>=months_days[today.month-1])

today.day=1;

smg_display();

}break; case 0xdf: {

today.month++;

if(today.month>=13) today.month=1; smg_display();

}break; case 0xbf: {

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

if(today.year[0]>=100) {

today.year[0]=0;

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

smg_display();

if(today.year[1]==100) today.year[1]=0;

}break;

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

}break;

case 0x00:switch(key_detection) {

case 0x7e: {

//now.second++;

if(now.second>0) now.second--; else now.second=59; smg_display();

}break; case 0x7d: {

//now.minute++;

if(now.minute>0) now.minute--; else now.minute=59; smg_display();

}break; case 0x7b: {

//now.hour++;

if(now.hour>0) now.hour--; else now.hour=23; smg_display();