Bitfields for K3PLUS compiler switch option flags A:
Bit(s)	Description	)
 15	GuINT16Fct2 (general use of INT 16 function 2)
 14	Int15df (INT 15 has to be predefined)
 13	GuAltNP (general use of Alt Numpad)
 12	SupAT (ATs+ supported)
 11	GuINT16Fct3 (general use of INT 16 function 3)
 10	GuINT16Ret (general use of INT16 bad function return)
 9-8	Layout (0-2, 3 reserved; 0=PC, 1=AT, 2=MF)
 7	ForceMF (force MF decode without read-ID)
 6	KXlate (translate keys for special keyboard)
 5	UmlautX (umlaut translation capability included)
 4	ApoX (translate apostrophe)
 3	DoINT16 (INT 16 handler included)
 2	UseCC (CopyCursor included)
 1-0	UseEB
	0=no extended keystroke buffer, 1=reserve mem, 2=use PSP, 3=reserved