#include
#include
#include
void main(void)
{
clrscr();
union REGS regs;
regs.h.ah = 1;
regs.h.dl = 0x80;
int86(0x13,®s,®s);
printf("
If successful operation then AH & AL register resets.");
printf("
AH register - %d",regs.h.ah);
printf("
AL register - %d",regs.h.al);
printf("
Successful Operation.");
getch();
}