Différences

Ci-dessous, les différences entre deux révisions de la page.

--- back2root:ibm-pc-ms-dos:interrupts:int_28:start [2024/04/06 18:45] – supprimée - modification externe (Date inconnue) 127.0.0.1
+++ back2root:ibm-pc-ms-dos:interrupts:int_28:start [2024/08/13 08:16] (Version actuelle) – frater
@@ Ligne 1: / Ligne 1: @@
+====== Int 28h - DOS Idle Loop / Scheduler  ======
+<WRAP round info>
+Undocumented
+</WRAP>
+<WRAP round box>
+  * issued by DOS during keyboard poll loop
+  * indicates DOS may be carefully re-entered by TSR
+  * used by TSR programs to popup and make DOS disk I/O calls
+  * supported by OS/2 compatibility box
+  * default behavior is to simply perform an [[back2root:ibm-pc-ms-dos:instr:iret|IRET]]
+  * any DOS functions above 0Ch may be called while in this handler
+  * [[back2root:ibm-pc-ms-dos:interrupts:int_21:int_21_3f|INT 21,3F]] and [[back2root:ibm-pc-ms-dos:interrupts:int_21:int_21_40|INT 21,40]] may not use a handle that refers to CON while in this handler
+see also [[back2root:ibm-pc-ms-dos:interrupts:int_21:int_21_34|INDOS (int 21h,34h)]]
+</WRAP>
+[[..:start|Back]]

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