BL = minor DOS version
	    CH = DOS version flag
	    CL = OEM number
	    DH = major DR DOS version number (FFh if unknown)
	    DL = minor DR DOS version number (FFh if unknown)
SeeAlso: AX=E003h,AX=E007h,INT 21/AH=30h
--------U-2FE003-----------------------------
INT 2F - SETDRVER.COM v2.10+ - RESET INTERNAL VARIABLES
	AX = E003h
	BH = new major DOS version
	BL = new minor DOS version
	CH = new DOS version flag
	CL = new DOS revision number
	DH = new OEM number
SeeAlso: AX=E002h
--------U-2FE004-----------------------------
INT 2F - SETDRVER.COM v2.10+ - ENABLE TSR
	AX = E004h
Return: AL = FFh if successful
SeeAlso: AX=E000h,AX=E005h,AX=E006h
--------U-2FE005-----------------------------
INT 2F - SETDRVER.COM v2.10+ - DISABLE TSR
	AX = E005h
Return: AL = FFh if successful
SeeAlso: AX=E000h,AX=E004h,AX=E006h
--------U-2FE006-----------------------------
INT 2F - SETDRVER.COM v2.10+ - GET TSR STATUS
	AX = E006h
Return: AL = FFh if successful
	    BL = status
		01h resident and active
		02h resident and inactive
--------U-2FE007-----------------------------
INT 2F - SETDRVER.COM v2.10+ - GET TaskMAX STATUS AT INSTALLATION
	AX = E007h
Return: AL = FFh if successful
	    BL = status
		00h if TaskMAX not loaded before SETDRVER
		FFh if TaskMAX was loaded before SETDRVER
SeeAlso: AX=E003h
--------U-2FE0-------------------------------
INT 2F - SETDRVER.COM - RESERVED FOR FUTURE USE
	AH = E0h
	AL = 08h-10h
--------K-2FE100-----------------------------
INT 2F - Phantom2 v1.1+ - INSTALLATION CHECK
	AX = E100h
Return: AX = 0001h if installed
	    DS:SI -> ASCIZ hotkey name
	    DS:DI -> ASCIZ recording filename
Program: Phantom of the Keyboard II is a shareware keystroke recorder/replayer
	  by P2 Enterprises
SeeAlso: AX=E101h,AX=E102h,AX=E103h,AX=E300h
Index:	hotkeys;Phantom2
--------K-2FE101-----------------------------
INT 2F - Phantom2 v1.1+ - FUNCTION REQUEST
	AX = E101h
	BX = function mask (see #03107)
	CX = code for hotkey (as returned by INT 16/AH=00h) if BX bit 6 set
	DS:DX -> ASCIZ filespec if BX bit 7 set
SeeAlso: AX=E100h
Index:	hotkeys;Phantom2

Bitfields for Phantom2 function mask:
Bit(s)	Description	(Table 03107)
 0	record
 1	play
 2	QuickPlay
 3	loop
 4	mode display toggle
 5	sound toggle
 6	set hotkey
 7	set filespec
--------K-2FE102-----------------------------
INT 2F - Phantom2 v1.1+ - UNINSTALL
	AX = E102h
Return: AX = status
	    0001h removal successful
	    0002h not installed as TSR
	    FFFFh disabled but not removed
SeeAlso: AX=E100h
--------K-2FE103-----------------------------
INT 2F - Phantom2 v2.8 - SET ??? FLAG
	AX = E103h
Return: AX = 0001h
SeeAlso: AX=E100h
--------y-2FE200-----------------------------
INT 2F - SecureDevice - LOGIN TO DRIVE
	AX = E200h
	DL = drive number (0 = A:)
	DS:SI -> 104-byte key
Return: AL = status
	    00h unable to determine key's validity
	    01h key is valid
	    FFh key is invalid
Program: SecureDevice is a copylefted device driver by Max Loewenthal and
	  Arthur Helwig which turns one or more disk files into encrypted
	  logical drives
SeeAlso: AX=E201h,AX=E203h,AX=E209h
--------y-2FE201-----------------------------
INT 2F - SecureDevice - GET INFORMATION
	AX = E201h
	DX = driver index (0000h = first loaded)
Return: AL = number of volumes handled by driver
	DL = drive number of first volume (00h = A:)
SeeAlso: AX=E200h,AX=E203h,AX=E209h
--------y-2FE203-----------------------------
INT 2F - SecureDevice - DESTROY PASSWORD (LOGOUT FROM DRIVE)
	AX = E203h
	DL = drive number (00h = A:) or FFh for all drives
Return: nothing
SeeAlso: AX=E200h,AX=E209h
--------y-2FE209DX0000-----------------------
INT 2F - SecureDevice - INSTALLATION CHECK
	AX = E209h
	DX = 0000h
Return: AX = 1DEAh if installed
	    DX = number of drivers installed
--------K-2FE300-----------------------------
INT 2F - ANARKEY.COM - INSTALLATION CHECK
	AX = E300h
Return: AL = state
	    00h not installed
	    FEh if installed but suspended (v3.0+)
	    FFh installed
Program: ANARKEY.COM is a commandline recall program by Steven Calwas
Range:	AH=C0h to AH=FFh, selected by commandline switch
SeeAlso: AX=E100h,AX=E301h,AX=E302h,AX=E303h,AX=E304h,AX=E305h,AX=E306h
SeeAlso: AX=E307h,INT 66"Newkey"
--------V-2FE300-----------------------------
INT 2F - Blank - INSTALLATION CHECK
	AX = E300h
Return: AL = FFh if installed
	    ES = resident code segment
Program: Blank is a shareware screen blanker by Yonah Schmeidler
Note:	AH=E3h is the default, which may be reconfigured by the installation
	  program in the registered version
SeeAlso: AH=93h,AX=C050h,INT 14/AX=AA01h
Index:	screen saver;Blank
--------K-2FE301-----------------------------
INT 2F U - ANARKEY.COM v2+ - GET ???
	AX = E301h
Return: DX:BX -> ??? (see #03108,#03109)
SeeAlso: AX=E300h

Format of returned data structure for ANARKEY v2.0:
Offset	Size	Description	(Table 03108)
 -7   7 BYTEs	signature ('ANARKEY')
 00h	WORD	??? (I see 0001h in v2.0)
 02h	WORD	??? (I see 0001h in v2.0)
 04h	WORD	??? (I see 0 in v2.0)
 06h	WORD	PSP segment of next program loaded

Format of returned data structure for ANARKEY v3+:
Offset	Size	Description	(Table 03109)
 -1	BYTE	multiplex number
 00h	WORD	??? (I see 0001h in v3.0-4.0)
 02h	WORD	??? (I see 0001h in v3.0-4.0)
 04h	BYTE	??? (I see 0 in v3.0-4.0)
 05h	WORD	PSP segment of next program loaded
--------K-2FE302-----------------------------
INT 2F U - ANARKEY.COM v3+ - ???
	AX = E302h
	BL = ???
Return: ???
SeeAlso: AX=E300h
--------K-2FE303-----------------------------
INT 2F U - ANARKEY.COM v3+ - ANARKMD API
	AX = E303h
	BL = function
	    01h toggle insert mode
	    02h display contents of history buffer
	    03h write history buffer to file
		ES:DX -> file name
	    04h clear history buffer
	    05h undefine all aliases
	    06h show aliases
	    07h list programs using Unix switchar
	    08h jump to bottom of history buffer
	    09h (v4.0) add string to history buffer
		ES:DX -> ASCIZ string
	    0Ah (v4.0) ???
		ES:DX -> ???
	    0Bh (v4.0) copy string to edit buffer for use as next input line
		ES:DX -> ASCIZ string
	    0Ch (v4.0) ???
	    0Dh (v4.0) copy ??? to ???
	    0Eh (v4.0) ???
	    0Fh (v4.0) ???
	    10h (v4.0) set ??? flag
	    11h (v4.0) display error message about running in EMS under Windows
Return: ???
SeeAlso: AX=E300h
--------K-2FE304-----------------------------
INT 2F U - ANARKEY.COM v2+ - ???
	AX = E304h
	BL = ???
Return: ???
SeeAlso: AX=E300h
--------K-2FE305-----------------------------
INT 2F U - ANARKEY.COM v3+ - ENABLE/SUSPEND ANARKEY
	AX = E305h
	BL = new state
	    01h suspended
	    00h enabled
SeeAlso: AX=E300h
--------K-2FE306-----------------------------
INT 2F U - ANARKEY.COM v4.0 - GET ???
	AX = E306h
Return: AX = ???
SeeAlso: AX=E300h
--------K-2FE307-----------------------------
INT 2F U - ANARKEY.COM v4.0 - GET ???
	AX = E307h
Return: AX = ???
	BL = ???
SeeAlso: AX=E300h
--------K-2FE337-----------------------------
INT 2F - INT16.COM - INSTALLATION CHECK
	AX = E337h
Return: AX = 0013h if installed
Program: INT16.COM is an INT16 keyboard BIOS replacement for
	  INT 16/AH=00h-02h,10h-12h (based on K3) written by Martin Gerdes
	  and published in c't 05/1990.
SeeAlso: AX=ED58h
--------l-2FE44D-----------------------------
INT 2F - NDOS - API
	AX = E44Dh
Program: NDOS is a version of 4DOS licensed to Symantec for inclusion in the
	  Norton Utilities
Note:	as NDOS is a licensed version of 4DOS v3.03, the API is identical to
	  that for 4DOS, except that AH=E4h instead of D4h and the installation
	  check returns AX=44EEh instead of AX=44DDh
SeeAlso: AX=D44Dh,AX=E44Eh
--------l-2FE44E-----------------------------
INT 2F C - NDOS - AWAITING USER INPUT
	AX = E44Eh
	BX = condition
	    0000h NDOS is ready to display prompt
	    0001h NDOS has displayed the prompt, about to accept user input
Return: handler must preserve SI, DI, BP, SP, DS, ES, and SS
SeeAlso: AX=E44Dh
--------K-2FE44FBX0000-----------------------
INT 2F - NDOS v4.0+ - KSTACK.COM - INSTALLATION CHECK
	AX = E44Fh
	BX = 0000h
Return: AX = 44EEh if installed
Program: NDOS is a version of 4DOS licensed to Symantec for inclusion in the
	  Norton Utilities
Note:	this function is also supported by ANSIPLUS v3.01+ and K3PLUS v6.20+,
	  which emulate the 4DOS and NDOS keystack
SeeAlso: AX=D44Fh/BX=0000h,AX=E44Fh/BX=0001h
--------K-2FE44FBX0001-----------------------
INT 2F - NDOS v4.0+ - KSTACK.COM - PLACE KEYSTROKES INTO KEYSTACK
	AX = E44Fh
	BX = 0001h
	CX = number of keystrokes (01h-FFh)
	DS:DX -> keystroke list (one word per keystroke)
Return: AX = status
	    0000h successful
	    nonzero failed
	BX,CX,DX destroyed
Notes:	the keystrokes are the exact values to return from subsequent calls to
	  INT 16 with AH=00h,01h,10h, or 11h, with the following exceptions:
		0000h causes subfunctions 01h and 11h to indicate an empty
		      keyboard buffer
		FFFFh is followed by a word indicating the number of clock
		      ticks to delay before the next faked keystroke
	v4.00 KSTACK overwrites any unread keystrokes from the previous
	  invocation, and does not range-check CX; it will overwrite memory
	  following the resident portion if CX is greater than 100h.
	this function is also supported by ANSIPLUS v3.01+ and K3PLUS v6.20+,
	  which emulate the 4DOS and NDOS keystack
SeeAlso: AX=E44Fh/BX=0000h,INT 16/AH=00h,INT 21/AX=4403h"DOS"
--------U-2FE600CL30-------------------------
INT 2F - Virtual 486 - INSTALLATION CHECK
	AX = E600h
	CL = 30h
	BX = C0DEh
Return: BX = DEC0h if installed
Program: Virtual 486 is a 80486 CPU emulator for an 80386 by Solar Designer
----------2FE700BX4158-----------------------
INT 2F - Multiplex - ??? - INSTALLATION CHECK???
	AX = E700h
	BX = 4158h ("AX")
	CX = 4953h ("IS")
	DX = 4845h ("HE")
Return: AL = FFh if installed
	    BX = 4C4Fh ("LO") if ??? installed
	    CX = 4F4Bh ("OK")
	    DX = 4F55h ("OU")
		ES:DI -> ???
Range:	AH=C0h to AH=FFh, selected by scanning AH=E7-FFh, then AH=C0h-E6h
Note:	called by QDPMI when its Real to Protected Mode Switch Entry Point
	  is called
--------f-2FE77EBX0000-----------------------
INT 2F - CTDEMN - INSTALLATION CHECK
	AX = E77Eh
	BX = 0000h
	CX = 4F4Dh ('OM')
	DX = 5453h ('TS')
Return: AX = 7EE7h if installed
	    BX = resident code segment
	    CX = 6F6Dh ('om')
	    DX = 7473h ('ts')
Program: CTDEMN is a file daemon TSR by Simultan AG
--------E-2FED00-----------------------------
INT 2F - Phar Lap DOS EXTENDERS - INSTALLATION CHECK
	AX = ED00h
	BL = DOS extender ID (see #03110)
Return: AL = status
	    00h not installed
	    FFh installed
		SI = 5048h ("PH")
		DI = 4152h ("AR")
		CH = major version number
		CL = minor version number
		DX = flags
		    bit 0: running under DPMI
		    bit 1: running under Phar Lap VMM
		if running under DPMI:
		    BX = DPMI version (BH = major, BL = minor)
SeeAlso: AH=A1h,AX=F100h,AX=FBA1h

(Table 03110)
Values for Phar Lap DOS extender ID:
 01h	286dosx v1.3+ (Software Development Kit)
 02h	286dosx v1.3+ (Run-Time Kit)
 03h	386dosx v4.0+ (SDK)
 04h	386dosx v4.0+ (RTK)
--------E-2FED03-----------------------------
INT 2F R - Phar Lap 386/DOS-Extender v4.1 - GET EXTENDER ENTRY POINT
	AX = ED03h
	CX = real-mode code segment
	DX = real-mode data segment
Return: CF clear if successful
	    CX = protected-mode code segment selector
	    DX = protected-mode data segment selector
	    ES:DI -> real-mode entry point for calling protected-mode functions
		      (see INT 21/AX=250Dh)
	CF set on error
	    AX = error code
		0008h unable to allocate LDT descriptors
--------E-2FED10BL05-------------------------
INT 2F - Pharlap DOS Extender - ???
	AX = ED10h