windows-nt/Source/XPSP1/NT/base/mvdm/dos/v86/inc/xmm.inc
2020-09-26 16:20:57 +08:00

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;******************************************************************************
;
; (C) Copyright MICROSOFT Corp. 1989
;
; Title: EMM386 - MICROSOFT Expanded Memory Manager 386
;
; Module: XMM.INC - Definitions for extended memory manger (XMM)
;
; Version: 0.01
;
; Date: Feb. 15, 1989
;
;
;******************************************************************************
;
; Change log:
;
; DATE REVISION DESCRIPTION
; -------- -------- -------------------------------------------------------
; 02/15/89 Original
; 02/19/89 pc add other struct and equ
;
;******************************************************************************
XMM_MULTIPLEX equ 43h ; XMM multiplex number of INT 2Fh
XMM_INSTALL_CHECK equ 00h ; install check call
XMM_FUNCTION_ADDR equ 10h ; get control function address call
;
; XMM functions
;
XMM_GET_VERSION equ 00h
XMM_REQUEST_HMA equ 01h
XMM_RELEASE_HMA equ 02h
XMM_GLOBAL_ENABLE_A20 equ 03h
XMM_GLOBAL_DISABLE_A20 equ 04h
XMM_LOCAL_ENABLE_A20 equ 05h
XMM_LOCAL_DISABLE_A20 equ 06h
XMM_QUERY_A20 equ 07h
XMM_QUERY_FREE_EXTMEM equ 08h
XMM_ALLOC_EMB equ 09h
XMM_FREE_EMB equ 0Ah
XMM_MOVE_EMB equ 0Bh
XMM_LOCK_EMB equ 0Ch
XMM_UNLOCK_EMB equ 0Dh
XMM_GET_EMB_INFO equ 0Eh
XMM_REALLOC_EMB equ 0Fh
XMM_REQUEST_UMB equ 10h
XMM_RELEASE_UMB equ 11h
;
; All error codes has this bit on.
; Used for test sucess of XMM_QUERY_FREE_EXTMEM
;
XMM_ERROR_BIT equ 80h
;
; Previous HIMEM.SYS versions are not reliable
;
GOOD_HIMEM_VERSION equ 208h
;
; struct pass to XMM_MOVE_EMB in DS:SI
;
ExtMemMoveStruct struc
mov_length dd ? ; 32 bit number of bytes to transfer
src_handle dw ? ; handle of source block
src_offset dd ? ; 32 bit offset into source
dst_handle dw ? ; handle of destination block
dst_offset dd ? ; 32 bit offset into destination
ExtMemMoveStruct ends
.list ; end of XMM.INC