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====== Int 1AH, AH=01H ======

===== Version =====

IBM 5150 and higher

===== Brief =====

SetTime

===== Family API =====

[[en:docs:fapi:DosSetDateTime]]

===== Input =====

  * AH = 01h
  * CX:DX = number of clock ticks since midnight

===== Return =====

nothing

===== Macro =====

<code asm>
INCLUDE BIOS.INC

@SetTime 54432
</code>

===== Notes =====

  * there are approximately 18.2 clock ticks per second, 1800B0h per 24 hrs (except on Tandy 2000, where the clock runs at 20 ticks per second)
  * this call resets the midnight-passed flag

===== Note =====

Text based on [[http://www.cs.cmu.edu/~ralf/files.html|Ralf Brown Interrupt List Release 61]]

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