101 lines
2.9 KiB
PHP
101 lines
2.9 KiB
PHP
COMMENT #
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//***************************************************************************
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//
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//
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//
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// Microsoft Confidential
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// Copyright (c) Microsoft Corporation 1992-1993
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// All rights reserved
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//
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// Include file for using DPMI functionality in Windows.
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//
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//***************************************************************************
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END COMMENT #
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DPMI EQU 031h ; DPMI interrupt vector
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ALLOC_LDT_DESC EQU 0000h
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SEG_TO_DESC EQU 0002h
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SET_SEG_BASE_ADDR EQU 0007h
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SET_SEG_LIMIT EQU 0008h
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ALLOC_DOS_MEM_BLOCK EQU 0100h
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FREE_DOS_MEM_BLOCK EQU 0101h
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SET_REALMODE_INTVEC EQU 0201h
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GET_REALMODE_INTVEC EQU 0200h
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SIMULATE_RELMODE_INT EQU 0300h
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CALL_REALMODE_PROC EQU 0301h
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; ***************************************************************************
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EXTERNDEF C IsWindows:WORD
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EXTERNDEF C IntVector:WORD
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EXTERNDEF C DosMem:DWORD
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; ***************************************************************************
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;
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; Macro for simulating a real mode interrupt from protect mode using DPMI.
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; Before invoking the macro the registers should be setup for the desired
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; real mode interrupt call. All register pointer must be to real mode
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; memory obtained via DPMI.
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;
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; ***************************************************************************
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DpmiInt MACRO Vector:REQ
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LOCAL IsDos ; Local label
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LOCAL EndMacro ; Local labe
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cmp IsWindows, 0 ; See if a Windows app
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je IsDos ; If not not Windows use DOS int
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mov IntVector, Vector ; Set vector to simulate
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call GenericDpmi ; Call generic DPMI function
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jmp SHORT EndMacro
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IsDos:
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int Vector ; Do DOS interrupt
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EndMacro:
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ENDM
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; ***************************************************************************
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;
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; Real Mode call structure for Simulating Real Mode Interrupts using DPMI
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;
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; ***************************************************************************
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RealModeCallStruc Struc
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RegEDI dd ?
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RegESI dd ?
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RegEBP dd ?
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Regres dd ?
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RegEBX dd ?
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RegEDX dd ?
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RegECX dd ?
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RegEAX dd ?
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RegFlg dw ?
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RegES dw ?
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RegDS dw ?
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RegFS dw ?
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RegGS dw ?
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RegIP dw ?
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RegCS dw ?
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RegSP dw ?
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RegSS dw ?
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RealModeCallStruc Ends
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; ***************************************************************************
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;
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; Real Mode call structure for Simulating Real Mode Interrupts using DPMI
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;
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; ***************************************************************************
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@proto_100 TYPEDEF PROTO C
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GenericDpmi PROTO @proto_100
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@proto_101 TYPEDEF PROTO C
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DpmiDskRdWr PROTO @proto_101
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