KXL_GetTimer -- It checks to see timer interruption occurred.

Bool KXL_GetTimer(void);

True = Timer interruption occurred.
False = Timer interruption has not occurred.

#include <KXL.h>

int main(void)
{
  Uint16 count = 0;
  Uint8 buff[64];

  KXL_CreateWindow(100, 100, "kxl.org", 0);

  KXL_Timer(1); // 1 interruption per second

  while (count <= 10) {
    KXL_ClearFrameImm(0, 0, 100, 100);
    sprintf(buff, "%2d second", count ++);
    KXL_PutText(8, 50, buff);
    KXL_UpDateImm(0, 0, 100, 100);
    while (KXL_GetTimer() == False);
    KXL_ResetTimer();
  }
  KXL_DeleteWindow();
  return 0;
}