Int 1AH [AT] [PS/2] Function 01H Set tick count

Stores a 32-bit value in the clock tick counter.

Call with:

AH = 01H

CX:DX = tick count (high 16 bits in CX)

Returns:

Nothing

Notes:

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.