93 lines
2.3 KiB
PHP
93 lines
2.3 KiB
PHP
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; Copyright (c) Microsoft Corporation 1988-1991. All Rights Reserved.
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;****************************************************************
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;* *
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;* DXROM.INC -- ROM Defintions for Dos Extender *
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;* *
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;****************************************************************
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;* Revision History: *
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;* *
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;* 11/05/90 jimmat Created. *
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;* *
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;****************************************************************
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IFDEF ROM
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; Define the ROM Table of Contents structure. Note that this structure
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; is defined in other pieces of software and all must be updated if any
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; are. Currently known to be defined in the ROM Image Builder (RIB) and
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; the ROM Test loader.
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ROMTOC SEGMENT AT 0
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szID db 10 dup (?) ; ID string
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DOSX_CSIP dd ? ; DOSX initial CS:IP (seg:off)
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KRNL_CSIP dd ? ; Kernel initial CS:IP (sel:off)
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lmaROMLDT dd ? ; lma of ROM prototype LDT
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cROMsels dw ? ; # descriptors used in ROM proto LDT
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FirstROMsel dw ? ; first LDT selector in ROM proto LDT
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offSysDir dw ? ; offset to system directory string
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cModules dw ? ; # modules defined in ROM TOC
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ModEntries db ? ; start of module entries
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; module entries follow at this point...
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ROMTOC ENDS
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RomIntVector = 31h ;Interrupt vector to use
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; This macro returns the DOS Extender data segment paragraph address in AX.
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; It must only be used by real mode code.
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GetRMDataSeg macro
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ifndef GetDXDataRM
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extrn GetDXDataRM:NEAR
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endif
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call GetDXDataRM
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endm
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; This macro sets DS to point to the DOS Extender data segment. It must
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; only be used by real mode code.
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SetRMDataSeg macro
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ifndef SetDXDataRM
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extrn SetDXDataRM:NEAR
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endif
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call SetDXDataRM
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endm
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; This macro returns the DOS Extender data segment paragraph address in AX.
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; It must only be used by protected mode code.
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GetPMDataSeg macro
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ifndef GetDXDataPM
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extrn GetDXDataPM:NEAR
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endif
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call GetDXDataPM
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endm
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; This macro sets DS to point to the DOS Extender data segment. It must
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; only be used by protected mode code.
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SetPMDataSeg macro
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ifndef SetDXDataPM
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extrn SetDXDataPM:NEAR
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endif
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call SetDXDataPM
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endm
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ENDIF
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