◄Summary► ◄Notes► ◄Back► ────────────────────────────────────────────────────────────────────────────── This function is supported by the PC/XT and PCjr ROM BIOS, but is not present in the ROM BIOS for the original PC. Int 1AH Function 00H is used to read the value of the clock tick counter. The rolled-over flag is cleared by this function call. -♦-