BSD 1 development

[unix-history] / s6 / ticktock.c

/*
* ticktock - a nice big clock on a soft copy terminal
*
* Author: Ivan Maltz June, 1977
*/
main()
{
char    *buf;
int    tvec[2],f;
while (1) {
   time(tvec);
   buf = ctime(tvec);
   buf =+ 9;
   buf[0] = buf[1] = ' ';
   buf[7] = 0;
   fix(&buf[2]);
   printf("\1a");
   f = fork();
   if (f == 0)
       execl("/usr/bin/block","block","3","@"," ",buf,0);
   wait(&f);
   printf("\n\n\n\n\n\n\n");
   time(tvec);
   buf = ctime(tvec);
   buf =+ 11;
   buf[8] = 0;
   fix(&buf[0]);
   printf("%s",buf);
   while (buf[6] <= '5')
   {
       printf("\b\b\b\b\b\b\b\b%s",buf);
       if (buf[7]++ == '9')
       {
           buf[7] = '0';
           buf[6]++;
       }
       sleep(1);
   }
}
}

fix(c)
char    *c;
{
switch (c[0]) {
   case '0':
       if (c[1] == '0') {
           c[0] = '1';
           c[1] = '2';
       } else {
           c[0] = ' ';
       }
       break;
   case '1':
       if (c[1] > '2') {
           c[0] = ' ';
           c[1] =- 2;
       }
       break;
   case '2':
       if (c[1] <= '1') {
           c[0] = ' ';
           c[1] =+ 8;
       } else {
           c[0] = '1';
           c[1] =- 2;
       }
       break;
}
}