Inter-Integrated Circuit (I2C) Interface - The HCS12/9S12: An Introduction to Software and Hardware Interfacing - page 563

if (cur_time[2] & 0x40) { /* if 12-hour mode is used */

hms[0] 5 0x30 1 ((cur_time[2] & 0x10) .. 4); /* tens hour digit */

hms[1] 0x30 1 (cur_time[2] & 0x0F); /* ones hour digit */

hms[2] 5 ':';

hms[3] 5 0x30 1 (cur_time[1] .. 4); /* tens minute digit */

hms[4] 5 0x30 1 (cur_time[1] & 0x0F); /* ones minute digit */

hms[5] 5 ':';

hms[6] 5 0x30 1 ((cur_time[0] & 0x70) .. 4); /* tens second digit */

hms[7] 5 0x30 1 (cur_time[0] & 0x0F); /* ones second digit */

hms[8] 5 ':';

if (cur_time[2] & 0x20)

hms[9] 5 'P';

else

hms[9] 5 'A' ;

hms[10] 5 'M';

hms[11] 3 0; /* terminate the string with a NULL */

switch(temp3) { /* convert to day of week */

case 1: mdy[0] 5 'S';

mdy[1] 5 'U';

break;

case 2: mdy[0] 5 'M';

mdy[1] 5 'O';

break;

case 3: mdy[0] 5 'T';

mdy[1] 5 'U';

break;

case 4: mdy[0] 5 'W';

mdy[1] 5 'E';

break;

case 5: mdy[0] 5 'T';

mdy[1] 5 'H';

break;

case 6: mdy[0] 5 'F';

mdy[1] 5 'R';

break;

case 7: mdy[0] 5 'S';

mdy[1] 5 'A' ;

break;

default: mdy[0] 5 0x20; /* space */

mdy[1] 5 0x20;

break;

}

mdy[2] 5 ':';

mdy[3] 5 0x30 1 (cur_time[5] .. 4); /* month */

mdy[4] 5 0x30 1 (cur_time[5] & 0x0F);

mdy[5] 5 ':';

mdy[6] 5 0x30 1 (cur_time[4] .. 4); /* date */

mdy[7] 5 0x30 1 (cur_time[4] & 0x0F);

mdy[8] 5 ':';