Virtual Devices (3.1) (vdag31qh.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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Break Point and Callback Services
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Allocate_V86_Call_Back   Allocates a V86 mode callback
Allocate_PM_Call_Back    Allocates a protected-mode callback
Call_When_VM_Returns     Installs a return-from-interrupt callback
Install_V86_Break_Point  Installs a break-point callback
Remove_V86_Break_Point   Removes a V86 break point