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132 lines
3.7 KiB
132 lines
3.7 KiB
;******************************************************************************
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;
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; (C) Copyright MICROSOFT Corp., 1993-1994
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;
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; Title: Virtual Flat Device Exported Services
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;
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; Version: 2.00
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;
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; Date: 8-Nov-1993
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;
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; Author: RAP
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;
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;------------------------------------------------------------------------------
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;
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; Change log:
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;
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; DATE REV DESCRIPTION
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; ----------- --- -----------------------------------------------------------
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; 08-Nov-1993 RAP Original
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;
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;==============================================================================
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IFDEF VMM_TRUE
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Begin_Service_Table VFLATD
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VFLATD_Service VFLATD_Get_Version, LOCAL
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VFLATD_Service VFLATD_Unmap_Flat_Selector, LOCAL
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End_Service_Table VFLATD
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ENDIF
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VflatD_Chicago_ID equ 011Fh ; OEM #8 Device #31
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VflatD_Windows_ID equ (0440h + 29d) ; MMSYS OEM# device 30
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ifdef WIN31
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VflatD_Device_ID equ VflatD_Windows_ID
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VflatD_Version equ 0160h ; 1.60
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else
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VflatD_Device_ID equ VflatD_Chicago_ID
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VflatD_Version equ 0200h ; 2.00
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endif
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;
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; PM API defines
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;
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VflatD_Query equ 0
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VflatD_Get_Version equ 0
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VflatD_Get_Sel equ 1
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VflatD_Reset equ 2
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VflatD_Create_Virtual_Frame_Buffer equ 3
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VflatD_Create_Physical_Frame_Buffer equ 4
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;******************************************************************************
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;
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; VFLATD_PM_API_Query
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;
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; DESCRIPTION:
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; Query VFlatD info
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;
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; ENTRY:
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; Client_DX = 0
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;
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; EXIT:
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; Client_EAX = VFlatD version
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; Client_EBX = selector to the frame buffer
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; Client_ECX = size of frame buffer
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; Client_EDX = Bank size + flags?
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;
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;==============================================================================
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;******************************************************************************
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;
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; VFLATD_PM_API_Get_Video_Base
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;
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; DESCRIPTION:
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; Return a GDT selector to the flat video buffer
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;
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; ENTRY:
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; Client_DX = 1
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; Client_AX = # of pages of video memory
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; Client_CX = size of bank switch code
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; Client_ES:DI -> bank switch code
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;
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; EXIT:
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; Client_AX = Selector to flat video buffer
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; Client_EDX = Linear base of flat video buffer
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; Client carry flag clear
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;
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;==============================================================================
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;******************************************************************************
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;
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; VFLATD_PM_API_Create_Physical_Frame_Buffer
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;
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; DESCRIPTION:
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; Return a GDT selector to a flat video buffer
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;
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; ENTRY:
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; Client_DL = 4
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; Client_DH = flags
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; Client_EAX = physical base of frame buffer
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; Client_ECX = size of frame buffer (in bytes)
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;
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; EXIT:
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; Client_AX = Selector to flat video buffer
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; Client_EDX = Linear base of flat video buffer
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; Client carry flag clear
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;
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;==============================================================================
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;******************************************************************************
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;
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; VFLATD_PM_API_Create_Virtual_Frame_Buffer
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;
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; DESCRIPTION:
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; Return a GDT selector to the flat video buffer
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;
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; ENTRY:
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; Client_DL = 3
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; Client_DH = flags
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; Client_EAX = size of frame buffer (in bytes)
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; Client_EBX = size of a bank (in bytes)
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; Client_ESI = location of bank
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; Client_CX = size of bank switch code
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; Client_ES:DI = ptr to bank switch code
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;
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; EXIT:
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; Client_AX = Selector to flat video buffer
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; Client_EDX = Linear base of flat video buffer
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; Client carry flag clear
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;
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;==============================================================================
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