LED顯示電腦電子鐘電路及控制程序
end;
a(j)=n;
end;
call clear;
a(0)=a(6);a(6)=A(7);
a(0)=a(0) and 0fh;
if a(0)>6 then a(0)=0;
CALL RBYT1;
if (a(1)=0 and a(2)=0 and a(3)=0) then
do;
do num=0 to 35;
call time(250);
end;
temp1=1;
end;
if temp1=1 then
do;
temp1=0;
ab(4)=ab(4)+1;
if ab(4)>99h then
do;
ab(4)=0;
ab(5)=ab(5)+1;
if ab(5)>99h then ab(5)=0;
end;
call wbyt6;
end;
end rbyt8; 本文引用地址:http://butianyuan.cn/article/165853.htm
display:procedure; /*jieya,yima,fasong*/
declare (i,n,m) byte;
n=a(0) and 0fh; /* send week */
data=week(n);
call send595;
n=a(4); /* send date */
n=n and 0fh;
data=aco(n);
call send595;
n=a(4);
n=shr(n,4);
data=aco(n);
call send595;
do i=1 to 3; /* send second,minute,hour */
n=a(i);
n=n and 0fh;
data=aco(n);
call send595;
n=a(i);
n=shr(n,4);
data=aco(n);
call send595;
end;
do i=5 to 6; /* send month,year */
n=a(i);
n=n and 0fh;
data=aco(n);
call send595;
n=a(i);
n=shr(n,4);
data=aco(n);
call send595;
end;
n=a(8); /* send 19 or 20 */
n=n and 0fh;
data=aco(n);
call send595;
n=a(8);
n=shr(n,4);
data=aco(n);
call send595;
do m=0 to 5;
n=ab(m);
n=n and 0fh;
data=aco(n);
call send595_1;
n=ab(m);
n=shr(n,4);
data=aco(n);
call send595_1;
end;
ale=0;
ale=1;
end display;
beginset:procedure;
a(0)=06h;a(1)=58h;a(2)=59h;a(3)=23h;
a(4)=30h;a(5)=06h;a(6)=97h;a(7)=00;
a(8)=19h; /* set date/time (1997,7,1,8:00:00,week 3) */
call wbyt1(8eh,0); /* write enable*/
call wbyt1(80h,00h);/* start colock */
call wbyt1(0beh,0abh);/*兩個(gè)二極管與8K電阻串聯(lián)充電*/
command=0beh; /* write colock/date */
call wbyt8;
call wbyt1(0c0h,a(8));
call wbyt1(8eh,80h); /* set write protect bit */
end beginset;
key:procedure;
declare (i,time1,k1,tem) byte;
call time(100);
k1=7;time1=30;
if mk=0 then
do;
do while time1>0;
week: if k1=0 then
do;
do i=0 to 5;
/* call hz(a(0)); */
end;
do i=0 to 3;
/* call hz0; */
end;
end;
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