INT 2F U - DOS 4+ ANSI.SYS internal - GET/SET DISPLAY INFORMATION
AX = 1A01h
CL = function
7Fh for GET
5Fh for SET
DS:DX -> parm block as for INT 21,AX=440Ch,CX=037Fh/035Fh respectively
Return: CF set on error
AX = error code (many non-standard)
CF clear if successful
AX destroyed
Note:   presumably this is the DOS IOCTL interface to ANSI.SYS
SeeAlso: INT 21/AX=440Ch

See also: 2F1A02

2F1A01 - DOS 4+ ANSI.SYS internal - GET/SET DISPLAY INFORMATION