INT 80 - SBSIM - "GETBUFFERINFO" - GET DRIVER'S BUFFER ADDRESS

	BX = 0005h
	AX = driver (00h = FM, 01h = DDB Voice, 04h = MIDI)
Return: CF clear if successful
	    DX:AX -> buffer
	    CX = buffer size in K
	CF set on error
Program: SBSIM is Creative Labs' SoundBlaster Simplified Interface Module,
	  which provides access to multiple drivers for the SoundBlaster
	  board through a single interface
Range:	INT 80h to INT BFh, selected automatically
Note:	the SBSIM installation check consists of testing for the signature
	  "SBSIM" at offset 103h in the interrupt handler's segment.
SeeAlso: BX=0000h"SBSIM",BX=0001h"SBSIM",BX=0002h"SBSIM",INT 80/BL=00h"SBSIM"