AH = 01h: Set BIOS Time

This function sets the number of timer ticks in the BIOS clock.

• Input: AH = 01h
  [CX,DX] = BIOS tick count [HITIME,LOTIME]

• Output: AH = 00h
  The RAM Variable HOUR24 is cleared.
  Carry Clear

• Error conditions: None
• Registers modified: AH, STATUS