en:docs:dos:api:int27

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en:docs:dos:api:int27 [2021/08/06 07:42] – created prokusheven:docs:dos:api:int27 [2026/05/04 07:54] (current) – prokushev
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 ===== Input ===== ===== Input =====
  
-  DX = number of bytes to keep resident (max FFF0h) +  * DX = number of bytes to keep resident (max FFF0h) 
- CS = segment of PSP+    * CS = segment of PSP
  
 ===== Return ===== ===== Return =====
  
-   never+never
        
 ===== Macro ===== ===== Macro =====
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 ===== Notes ===== ===== Notes =====
  
-    this is an obsolete call +this is an obsolete call 
- INT 22, INT 23, and INT 24 are restored from the PSP + 
- does not close any open files +Function not supported for Win16 applications in protected mode 
- the minimum number of bytes which will remain resident is 110h for + 
-   DOS 2.x and 60h for DOS 3.0+; there is no minimum for DOS 1.x, which +INT 22, INT 23, and INT 24 are restored from the PSP 
-   implements this service in COMMAND.COM rather than the DOS kernel+ 
 +does not close any open files 
 + 
 +the minimum number of bytes which will remain resident is 110h for DOS 2.x and 60h for DOS 3.0+; there is no minimum for DOS 1.x, which implements this service in COMMAND.COM rather than the DOS kernel
  
 ===== See Also ===== ===== See Also =====