Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
DOS Idle Interrupt
Summary Example                           Up Contents Index Back
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     Int 28h allows TSRs that call DOS to safely interrupt
     certain DOS functions. These functions set up a stack that the
     TSR must preserve by not calling any of the functions listed on
     the Summary screen. However, the TSR may call other DOS services.
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