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- ; SCCSID = @(#)vdos.inc 6.1 92/03/25
-
- ; Title:vdos.inc
- ;
- ; Copyright (c) IBM Corporation 1987, 1992
- ;
- ; All Rights Reserved
-
- ;*** Low memory defines - used by VBIOS
-
- DCA_START EQU 0501h ;DOS communication area start
- DCA_LEN EQU 01FFh ; " " " length
-
- DOSVEC_FIRST EQU 020h ;DOS-reserved vectors
- DOSVEC_LAST EQU 03Fh ;initialized to -> IRET by VBIOS
-
-
- ;*** DOSDDEOL - End of DOS DD List Tag
- ;
-
- DOSDDEOL EQU ( -1)
-
-
- ;*** DOSDDTYPE - DOS DD Header
- ;
- ; This structure defines a DOS DD Header
- ;
-
- DefStruc ,_dosddtype
- VPVOID ddd_vpdosddtype
- USHORT ddd_usAttribute
- USHORT ddd_pfnStrategy
- USHORT ddd_pfnInterrupt
- CHAR ddd_achName,,8
- EndStruc DOSDDTYPE
-
- DefType PDOSDDTYPE,dd
- DefType VPDOSDDTYPE,dd
-
-
- ; PROCEDURES
-
- VDHENTRY VDHSetDosDevice <VPDOSDDTYPE>
-