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====== Int 13H, AH=01H ======

===== Version =====

IBM 5150 and higher

===== Brief =====

Get last disk status

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

None. Most error statuses available via API return codes.

===== Input =====

  * AH = 01h
  * DL = drive (bit 7 set for hard disk)

===== Return =====

  * CF clear if successful (returned status 00h)
  * CF set on error
  * AH = status of previous operation (see [[00234|status]])

===== Macro =====

<code asm>
INCLUDE BIOS.INC

@DskStatus
</code>

===== Notes =====

  * some BIOSes return the status in AL; the PS/2 Model 30/286 returns the status in both AH and AL

===== Note =====

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

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