INT 2F - SETDRVER.COM v2.10+ - GET TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user. The name comes from the name of the DOS function call used to remain in memory after termination. STATUS
AX = E006h
Return: AL = FFh if successful
BL = status
01h resident and active
02h resident and inactive