Compatibility: DPMI 1.0+

Expects: AX    0400H

Returns: CF    NC (this fn always succeeds with DPMI 1.0+)

AX    capability flags (see below)

ES:DI (or ES:EDI) selector:offset of host version info

Info: This obtains information about the capabilities supported by the

DPMI host.

AX contains bit flags:

1

 5  -  7 6 5 4 3 2 1 0 

 0 ... 0 0 w z c d x a 

    -                  bit  mask

               0: 0001H 1=page accessed/dirty supported

               1: 0002H 1=excptn. restartability suprtd

               2: 0004H 1=conv. mem mapping supported

               2: 0008H 1=device mapping supported

               2: 0010H 1=demand zero-fill supported

               2: 0020H 1=write-protect client supported

               2: 0040H 1=write-protect host supported

ES:(E)DI on return, points to a 128-byte buffer containing information

about the DPMI host itself.  It is formatted as:

Offset Size Contents

+0      1  bVerMaj     host major version #

+1      1  vVerMin     host minor version #

+2      n  szName      ASCIIZ  host name

2+n      ?              filler to end of record

128              size of this structure

Note: See INT 2fH 1687H and INT 31H 0400H for related info.

See Also: DPMI API

INT 2fH: Multiplex Interrupt

DOS Functions

- -