Interruption 28h - DOS Idle Loop / Scheduler
Undocumented
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
IRET
any DOS functions above 0Ch may be called while in this handler
INT 21,3F
and
INT 21,40
may not use a handle that refers to CON while in this handler
see also
INDOS
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