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else if(keyval==0xf7) //°´¼ü5 ÉèÖÃÄÖÖÓʱ¼ä {
clock_shanshuo=1;
clock_hh=dispbuf[0]*10+dispbuf[1]; //±£´æËùÉèÄÖÖÓʱ¼ä clock_mm=dispbuf[2]*10+dispbuf[3]; dispbuf[0]=hh/10; dispbuf[1]=hh; dispbuf[2]=mm/10; dispbuf[3]=mm;
}
break;
case 4: //Ãë±íģʽ
if(keyval==0x7f) //°´¼ü1 µ÷Õûģʽ ½øÈëʱÖÓÏÔʾģʽ {
mode=0;
TR1=0; //¹Ø±ÕÃë±í dispbuf[0]=mm/10; dispbuf[1]=mm; dispbuf[2]=ss/10; dispbuf[3]=ss; }
else if(keyval==0xef) //°´¼ü4 ¿ªÊ¼¡¢ÔÝÍ£ {
old_ss=miaobiao_ss; old_ms=miaobiao_ms; TR1=~TR1; }
else if(keyval==0xbf||keyval==0xdf) //°´¼ü2»ò°´¼ü3 ÇåÁã {
miaobiao_ss=0; miaobiao_ms=0;
dispbuf[0]=miaobiao_ss/10; dispbuf[1]=miaobiao_ss; dispbuf[2]=miaobiao_ms/10; dispbuf[3]=miaobiao_ms; }
break;
default:
break; } }
/******************ÑÓʱ³ÌÐò******************/ void delay(unsigned int t) {
while(t--); }
/******************ÖжϳÌÐò£¬ÓÃÓÚÃë±í******************/ void t1int(void) interrupt 3 using 3 {
TH1=(0-2000)/256; TL1=(0-2000)%6; cnt2++; if(cnt2>=5) {
cnt2=0;
miaobiao_ms++;
if(miaobiao_ms>=100) {
miaobiao_ms=0; miaobiao_ss++;
if(miaobiao_ss>=60) {
miaobiao_ss=0; } }
dispbuf[0]=miaobiao_ss/10; dispbuf[1]=miaobiao_ss; dispbuf[2]=miaobiao_ms/10; dispbuf[3]=miaobiao_ms; } }
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