INT 16 - KEYBOARD - AX PCIBM PC - SET KEYBOARD COUNTRY CODE
	AX = 5000h
	BX = country code
	    0001h USA (English), 0051h Japan
Return: AL = status
	    00h successful
	    01h bad country code
	    02h other error
Notes:	This function is called with BX=0051h by Japanese versions of
	  MS-DOS/PCIBM PC DOS/DR DOS IO.SYS/IBMBIO.COM at initialization time.
	the K3PLUS v6.00+ INT 16 BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. replacement will switch between the
	  supported country specific layout (e.g. BX=0031h Germany, BX=001Fh
	  Netherlands, BX=0020h Belgium, BX=0022h Spain) (as with <Ctrl>+
	  <Alt>+<F2>) and K3PLUS' transparent mode (as with <Ctrl>+<Alt>+<F1>).
	In transparent mode (BX=0001h), K3PLUS chains to the underlying
	  driver (normally the BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. driver with US-layout). K3PLUS beeps on
	  mode changes
SeeAlso: AX=5001h,AX=AF4Dh,INT 10/AX=5000h,INT 17/AX=5000h