en:docs:dos:api:int21:37:01

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en:docs:dos:api:int21:37:01 [2020/12/14 10:59] (current)
prokushev created
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 +{{page>​en:​templates:​dosint}}
 +
 +====== Int 21H, AH=37H, AL=01H ======
 +
 +===== Version =====
 +
 +2 and higher
 +
 +===== Brief =====
 +
 +SET SWITCH CHARACTER
 +
 +===== Family API =====
 +
 +
 +
 +===== Input =====
 +
 +        AX = 3701h
 +        DL = new switch character
 +
 +===== Return =====
 +
 + AL = status
 +            00h successful
 +            FFh unsupported subfunction
 +===== Macro =====
 +
 +
 +===== Notes =====
 +
 + ​documented in some OEM versions of some releases of DOS; DOS 2.x had
 +          a SWITCHAR=c setting in CONFIG.SYS
 +        supported by OS/2 compatibility box and Novell DOS 7
 +        ignored by MS-DOS 5+ and DR DOS 3.41-6.0; DR DOS 6.0 and Novell DOS 7
 +          leave AX unchanged
 +
 +===== See also =====
 +
 + ​AX=3700h
 +
 +===== Note =====
 +
 +Text based on [[http://​www.cs.cmu.edu/​~ralf/​files.html|Ralf Brown Interrupt List Release 61]]
 +
 +{{page>​en:​templates:​int}}
 +
 +{{page>​en:​templates:​fapi}}
 +
  

en/docs/dos/api/int21/37/01.txt · Last modified: 2020/12/14 10:59 by prokushev