INT 20 P - Frontier Technologies ??? - VxDA virtual device driver for Windows 3.x or 95.	So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES
	VxDA virtual device driver for Windows 3.x or 95.	So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. = 3048h
Note:	the desired VxDA virtual device driver for Windows 3.x or 95.	So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. and service number are identified by the data
	  immediately following the INT 20 instruction, as in:
		INT	20h
		DW	service number
		DW	VxDA virtual device driver for Windows 3.x or 95.	So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. identifier
SeeAlso: INT 2F/AX=1684h"DEVICE API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running.  Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes.",INT 30"Windows",#01265,#01335


(Table 01335)
Values for ??? (VxDA virtual device driver for Windows 3.x or 95.	So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. ID 3048h) service number:
 00h	get version???
 03h	???
	called with 5 DWORDs on stack, returns EAX=???, ECX nonzero on error
 04h	???
	called with DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address. on stack, returns EAX=???, ECX nonzero on error
 06h	???
	called with DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address. on stack, returns EAX=???, ECX nonzero on error
 07h	???
	called with 3 DWORDs on stack, returns EAX=???, ECX nonzero on error
 0Bh	???
	called with 2 DWORDs on stack, returns EAX=???, ECX nonzero on error
 0Ch	???
	called with 2 DWORDs on stack, returns EAX=???, ECX nonzero on error
 0Dh	???
	called with 6 DWORDs on stack, returns EAX=???, ECX nonzero on error
 1Ah	???
	called with 3 DWORDs on stack
SeeAlso: #01336