)
Values for generic character IOCTL function:
00h MAC driver Bind (STARLITE) (see #01547)
40h DOS 3??? only: was reserved for set screen mode (see #04116)
45h set iteration (retry) count (see #01548)
4Ah select code page (see #01549)
4Ch start code-page preparation (see #01550)
4Dh end code-page preparation (see #01551)
5Fh set display information (DOS 4.0+) (see #01552)
60h DOS 3??? only: was reserved for get screen mode (see #04116)
65h get iteration (retry) count
6Ah query selected code page (see #01549)
6Bh query codepage prepare list (DOS 4.0+) (see #01553)
7Fh get display information (DOS 4.0+) (see #01552)
Note: bit assignments for function code:
bit 7: set to ignore if unsupported, clear to return error
bit 6: set if passed to driver, clear if intercepted by DOS
bit 5: set if queries data from device, clear if sends command
(by convention, if a function both queries and sends data,
bit 5 should be clear)
bits 4-0: subfunction