INT 2F - Comwave Microfax Specification - COMMAND SUBMISSION                    
	AX = CBDDh
	BL = 56h
	BH = ?
	CX:DX -> command to execute
Return: AX = status
	    0000h success
	    FFFFh on error
SeeAlso: AH=2Ah,AX=CBDCh,AX=80FBh