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2F12FFBX0000

Category: other operating systems
Flags: Undocumented function

INT 2F - DR DOS 6.0+ IBMBIO.COM - QUERY SIZE OF THE BDOS

	AX = 12FFh
	BX = 0000h
Return: AX = 0000h if supported
	DX = size of the BDOS in paragraphs
	Flags trashed
	ES,CL destroyed (DR PalmDOS)
Note:	This API is provided by IBMBIO.COM for the initialization phase
	  of drivers loaded via DEVICE=/HIDEVICE=/DEVICEHIGH= directives and
	  is only available during these short time intervals.  It is called
	  by DR DOS 6.0 EMM386.SYS and Novell DOS 7+ EMM386.EXE to query the
	  size of the BDOS kernel (the resident code of IBMDOS.COM).
SeeAlso: AX=12FFh/BX=0001h,AX=12FFh/BX=0002h

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