Category : Files from Magazines
Archive   : PJ61.ZIP
Filename : LISTING1.C

 
Output of file : LISTING1.C contained in archive : PJ61.ZIP
/*
* gettime.c -- Uses BIOS interrupt 0x1A to get the timer count
* in clock ticks.
* Copyright Frank D. Greco, 1987
* Page 50, Volume 6.1 Programmer's Journal
*/

#include

#define TOD_INT 0x1a

unsigned long gettime()
{
union REGS in, out;
unsigned long current_tix; /* 32-bit tick value to be returned */

in.h.ah = 0; /* AH = 0 GET clock ticks */
int86(TOD_INT, &in, &out); /* Call BIOS timer tick interrupt */

current_tix = ( (long) out.x.cx << 16 ) + out.x.dx;

/* If midnite passes, add a day's worth of clock tix to the return value */

return ( out.x.ax & 0xff ) ? current_tix += 0x01800b0L: current_tix;
}


  3 Responses to “Category : Files from Magazines
Archive   : PJ61.ZIP
Filename : LISTING1.C
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/