en:docs:dos:api

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en:docs:dos:api [2018/09/07 04:25] – prokusheven:docs:dos:api [2021/08/06 08:31] – prokushev
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-{{logos:dos.gif?35x35}}+{{page>en:templates:dosint}}
  
 ====== DOS API ====== ====== DOS API ======
  
-Most of DOS API calls are invoked using software interrupt INT 21H. In most cases AH register sets to function number.+Most of DOS API calls are invoked using software interrupt INT 21H. In most cases AH register are set to function number.
  
 ===== DOS Interrupts ===== ===== DOS Interrupts =====
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 | [[en:docs:dos:api:int2E|2EH]] | Reload transient | 2.0+ | Implemented in COMMAND.COM | | [[en:docs:dos:api:int2E|2EH]] | Reload transient | 2.0+ | Implemented in COMMAND.COM |
 | [[en:docs:dos:api:int2F|2FH]] | Multiplex | 3.0+ | Implemented in DOS kernel and various programs (PRINT, MSCDEX, DOSKEY, APPEND, etc.) depending on subfunction number | | [[en:docs:dos:api:int2F|2FH]] | Multiplex | 3.0+ | Implemented in DOS kernel and various programs (PRINT, MSCDEX, DOSKEY, APPEND, etc.) depending on subfunction number |
 +| [[en:docs:dpmi|31H]] | DPMI | | DPMI services |
  
 +{{page>en:templates:int}}