INT 2F - Kingswood 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. Windows - CLOSE WINDOW AX = 3901h BL = 05h Return: AX = error code (0000h if successful) SI,DI,DS,ES preserved Notes: Close the last opened 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. window. SeeAlso: AH=39h/BL=00h,AX=3901h/BL=02h