Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
Int 1Ah Function 01h
 ◄Summary►                                   ◄Up► ◄Contents► ◄Index► ◄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.
                                    -♦-