INT 16 - KEYBOARD - AX PC - SET KEYBOARD COUNTRY CODE
AX = 5000h
BX = country code
0001h USA (English), 0051h Japan
Return: AL = status
01h bad country code
02h other error
Notes: This function is called with BX=0051h by Japanese versions of
MS-DOS/PC DOS/DR DOS IO.SYS/IBMBIO.COM at initialization time.
the K3PLUS v6.00+ INT 16 BIOS 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 driver with US-layout). K3PLUS beeps on
SeeAlso: AX=5001h,AX=AF4Dh,INT 10/AX=5000h,INT 17/AX=5000h