if(s3==0) { }
if(set_num==1){write_com(0x80+0x40+8);} if(set_num==3){write_com(0x80+0x40+2);} if(set_num==4){set_num=0;write_com(0x80+15);}
if(set_num!=0) {
if(s2==0) {
delay(5); if(s2==0) {
while(!s2);
delay(1);
if(s3==0)set_num++; while(!s3);
if(set_num==2){write_com(0x80+0x40+5);}
if(set_num==1){set_miao++;if(set_miao==60)set_miao=0;write_sfm(0x48,set_miao);wri
te_com(0x80+0x40+8);}
if(set_num==2){set_fen++;if(set_fen==60)set_fen=0;write_sfm(0x45,set_fen);write_com
(0x80+0x40+5);}
if(set_num==3){set_shi++;if(set_shi==24)set_shi=0;write_sfm(0x42,set_shi);write_com(
0x80+0x40+2);}
} {
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}
}
}
if(s1num!=0&&s1num!=8)
if(s2==0) { delay(1); if(s2==0) { while(!s2); if(s1num==1) { miao++;
if(miao==60)miao=0;
write_sfm(0x48,miao);
write_com(0x80+0x40+8);
}
if(s1num==2) { fen++;
if(fen==60)fen=0;
write_sfm(0x45,fen); write_com(0x80+0x40+5);
}
if(s1num==3) { shi++; if(shi==24)shi=0; write_sfm(0x42,shi); write_com(0x80+0x40+2);
}
if(s1num==4) { xq++;
if(xq==8)xq=0;
write_sfm(12,xq);
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write_com(0x80+12);
}
if(s1num==5) { re++;
if(re==31)re=0; write_sfm(9,re); write_com(0x80+9);
}
if(s1num==6) { yue++;
if(yue==13)yue=0; write_sfm(6,yue); write_com(0x80+6); }
if(s1num==7) { nian++;
if(nian==100)nian=0; write_sfm(3,nian); write_com(0x80+3); }
}
}
if(s3==0) { delay(1); if(s3==0) { while(!s3); if(s1num==1)
{
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miao--;
if(miao==-1)miao=59; write_sfm(0x48,miao); write_com(0x80+0x40+8);
}
if(s1num==2) { fen--;
if(fen==-1)fen=59; write_sfm(0x45,fen); write_com(0x80+0x40+5);
}
if(s1num==3) { shi--;
if(shi==-1)shi=23; write_sfm(0x42,shi); write_com(0x80+0x40+2);
}
if(s1num==4) { xq--; if(xq==-1)xq=0;
write_sfm(12,xq); write_com(0x80+12);
}
if(s1num==5) { re--;
if(re==-1)re=0; write_sfm(9,re); write_com(0x80+9);
}
if(s1num==6)
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{ yue--;
if(yue==-1)yue=0; write_sfm(6,yue); write_com(0x80+6);
}
if(s1num==7) { nian--;
if(nian==-1)nian=0; write_sfm(3,nian); write_com(0x80+3); }
}
}
}
}
void write_ds(uchar add,uchar date)// { dscs=0; dsas=1; dsds=1; dsrw=1; P0=add; dsas=0; dsrw=0; P0=date; dsrw=1; dsas=1; dscs=1;
}
uchar read_ds(uchar add) {
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