Interrupt 2Fh Function 1606h

mov dx, [Flags] ; bit 0 clear if 386 enhanced-mode,

; set if standard-mode

movax, 1606h ; Windows Termination Notification

int 2fh ; multiplex interrupt

Windows Termination Notification (Interrupt 2Fh Function 1606h) notifies MS-DOS device drivers and TSRs that standard- or 386 enhanced-mode Windows is terminating. Windows calls this function as it terminates allowing MS-DOS device drivers and TSRs that monitor Interrupt 2Fh the opportunity to prepare for leaving the Windows environment.

Parameters

Flags

Specifies whether standard- or 386 enhanced-mode Windows is terminating. 386 enhanced-mode Windows sets bit 0 to 0; standard-mode Windows sets bit 0 to 1. Only bit 0 is used; all other bits reserved and undefined.

Return Value

This function has no return value.

Comments

Windows calls this function when the processor is in real mode.