196 lines
4.3 KiB
NASM
196 lines
4.3 KiB
NASM
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page ,132
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;-----------------------------Module-Header-----------------------------;
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; Module Name: DRVR31.ASM - Installable driver code.
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;
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; all this code does is pass any installable driver API on to
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; win 3.1 USER.
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;
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; Created: 28-08-91
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; Author: Todd Laney [ToddLa]
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;
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; Copyright (c) 1984-1991 Microsoft Corporation
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;
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;-----------------------------------------------------------------------;
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?PLM = 1
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?WIN = 0
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PMODE = 1
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.xlist
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include cmacros.inc
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include windows.inc
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.list
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;
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; these are the USER driver interface functions
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;
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externFP OpenDriver ; USER
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externFP CloseDriver ; USER
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externFP GetDriverModuleHandle ; USER
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externFP SendDriverMessage ; USER
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externFP DefDriverProc ; USER
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ifdef DEBUG
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externFP GetModuleFileName ; KERNEL
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externFP _dprintf ; COMM.ASM
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endif
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; The following structure should be used to access high and low
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; words of a DWORD. This means that "word ptr foo[2]" -> "foo.hi".
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LONG struc
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lo dw ?
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hi dw ?
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LONG ends
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FARPOINTER struc
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off dw ?
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sel dw ?
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FARPOINTER ends
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ifndef SEGNAME
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SEGNAME equ <_TEXT>
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endif
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createSeg %SEGNAME, CodeSeg, word, public, CODE
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sBegin CodeSeg
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assumes cs,CodeSeg
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assumes ds,nothing
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assumes es,nothing
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;-----------------------------------------------------------------------;
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;-----------------------------------------------------------------------;
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assumes ds,nothing
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assumes es,nothing
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ifdef DEBUG
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szSuccess:
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db "MMSYSTEM: DrvOpen(%ls) (%ls)", 13,10,0
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szFailed:
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db "MMSYSTEM: DrvOpen(%ls) *failed*", 13,10,0
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cProc DrvOpen, <FAR, PUBLIC, PASCAL, LOADDS>, <>
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ParmD szDriverName
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ParmD szSectionName
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ParmD dw2
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LocalV ach,128
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cBegin
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cCall OpenDriver, <szDriverName, szSectionName, dw2>
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push ax
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lea bx,szFailed
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or ax,ax
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jz DrvOpenFailed
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cCall GetDriverModuleHandle, <ax>
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lea bx,ach
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cCall GetModuleFileName,<ax, ss,bx, 128>
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lea bx,szSuccess
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DrvOpenFailed:
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lea ax,ach
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push ss ; ach
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push ax
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push szDriverName.sel ; szDriverName
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push szDriverName.off
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push cs ; szFormat
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push bx
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call _dprintf ; dprintf(szFormat, szDriverName, ach)
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add sp,6*2
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DrvOpenExit:
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pop ax ; return hdrv to caller
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DrvOpenExitNow:
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cEnd
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else ; DEBUG
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cProc DrvOpen, <FAR, PUBLIC, PASCAL>, <>
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; ParmD szDriverName
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; ParmD szSectionName
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; ParmD dw2
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cBegin nogen
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jmp OpenDriver
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cEnd nogen
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endif ; DEBUG
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;-----------------------------------------------------------------------;
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;-----------------------------------------------------------------------;
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assumes ds,nothing
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assumes es,nothing
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cProc DrvClose, <FAR, PUBLIC, PASCAL>, <>
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; ParmW hDriver
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; ParmD dw1
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; ParmD dw2
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cBegin nogen
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jmp CloseDriver
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cEnd nogen
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;-----------------------------------------------------------------------;
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;-----------------------------------------------------------------------;
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assumes ds,nothing
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assumes es,nothing
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cProc DrvGetModuleHandle, <FAR, PUBLIC, PASCAL>, <>
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; ParmW hDriver
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cBegin nogen
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jmp GetDriverModuleHandle
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cEnd nogen
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;-----------------------------------------------------------------------;
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;-----------------------------------------------------------------------;
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assumes ds,nothing
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assumes es,nothing
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cProc DrvSendMessage, <FAR, PUBLIC, PASCAL>, <>
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; ParmW hDriver
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; ParmW message
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; ParmD dw1
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; ParmD dw2
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cBegin nogen
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jmp SendDriverMessage
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cEnd nogen
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;-----------------------------------------------------------------------;
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;-----------------------------------------------------------------------;
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assumes ds,nothing
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assumes es,nothing
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cProc DrvDefDriverProc, <FAR, PUBLIC, PASCAL>, <>
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; ParmD dwDriver
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; ParmW hDriver
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; ParmW message
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; ParmD dw1
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; ParmD dw2
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cBegin nogen
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jmp DefDriverProc
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cEnd nogen
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sEnd
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end
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