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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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Interrupt 2Fh Function 1600h  Get Enhanced-Mode Windows Installed State
Interrupt 2Fh Function 1602h  Get Enhanced-Mode Windows Entry-Point Address
Interrupt 2Fh Function 1605h  Windows Initialization Notification
Interrupt 2Fh Function 1606h  Windows Termination Notification
Interrupt 2Fh Function 1607h  Device Call Out
Interrupt 2Fh Function 1608h  Windows Initialization Complete Notification
Interrupt 2Fh Function 1609h  Windows Begin Exit
Interrupt 2Fh Function 1680h  Release Current VM Time-Slice
Interrupt 2Fh Function 1681h  Begin Critical Section
Interrupt 2Fh Function 1682h  End Critical Section
Interrupt 2Fh Function 1683h  Get Current Virtual Machine ID
Interrupt 2Fh Function 1684h  Get Device Entry Point Address
Interrupt 2Fh Function 1685h  Switch VMs and CallBack
Interrupt 2Fh Function 1686h  Detect Interrupt 31h Services
Interrupt 2Fh Function 4000h  Enable VM-Assisted Save/Restore
Interrupt 2Fh Function 4001h  Notify Background Switch
Interrupt 2Fh Function 4002h  Notify Foreground Switch
Interrupt 2Fh Function 4003h  Enter Critical Section
Interrupt 2Fh Function 4004h  Exit Critical Section
Interrupt 2Fh Function 4005h  Save Video Register State
Interrupt 2Fh Function 4006h  Restore Video Register State
Interrupt 2Fh Function 4007h  Disable VM-Assisted Save/Restore
Win386_Startup_Info_Struc     Windows startup information
Instance_Item_Struc           Instance Item Structure