325 lines
8.4 KiB
NASM
325 lines
8.4 KiB
NASM
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; WOW v1.0
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;
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; Copyright (c) 1991, Microsoft Corporation
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;
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; KBDLOCAL.ASM
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;
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; Win16 KEYBOARD APIS that are 'internal'
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; We make these apis a 'nop'. Relevant code has been copied from WIN31.
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; The intention here is to maintain the stack. Any arguments to the apis
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; are popped and that is it.
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;
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; History:
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;
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; Created 06-Jan-1992 by NanduriR
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;--
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TITLE KBDLOCAL.ASM
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PAGE ,132
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.286p
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.xlist
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include wow.inc
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include wowkbd.inc
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include cmacros.inc
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include windefs.inc
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.list
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__acrtused = 0
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public __acrtused ;satisfy external C ref.
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createSeg _TEXT,CODE,WORD,PUBLIC,CODE
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createSeg _DATA,DATA,WORD,PUBLIC,DATA,DGROUP
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defgrp DGROUP,DATA
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; Double byte range values for the East Asia.
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; The values defined here are for the Rest Of the World.
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; These values are for the inquireData (KBINFO) structure defined below.
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; ('KeyInfo' in the Kernel, pState in USER)
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;
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; KKFIX 10/19/96 #56665
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ifdef JAPAN
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BeginRange1 equ 129 ; 81h
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EndRange1 equ 159 ; 9Fh
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BeginRange2 equ 224 ; E0h
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EndRange2 equ 252 ; FCh
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else ; not JAPAN
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ifdef TAIWAN ; Big-5 lead byte range, pisuih, 3/16/95'
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BeginRange1 equ 129 ; 81h
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EndRange1 equ 254 ; FEh
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else ; TAIWAN
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ifdef PRC ; GB2312 lead byte range, pisuih, 3/16/95'
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BeginRange1 equ 129 ; 81h Change to GBK lead byte, shanxu 2/22/96
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EndRange1 equ 254 ; FEh
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else ; PRC
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ifdef KOREA
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BeginRange1 equ 129
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EndRange1 equ 254
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else ; not KOREA
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BeginRange1 equ 255
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EndRange1 equ 254
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endif ; KOREA
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endif ; PRC
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endif ; TAIWAN
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BeginRange2 equ 255
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EndRange2 equ 254
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endif ;
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sBegin DATA
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globalD bios_proc, 0
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globalD nmi_vector, 0
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;externD nmi_vector
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public fSysReq
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fSysReq db 0 ; Enables CTRL-ALT-SysReq if NZ
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; Keyboard information block (copied to 'KeyInfo' in the kernel)
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; this is a KBINFO data structure.. defined in KERNEL.INC, USER.INC, USER.H
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; and WINDEFS.INC.
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;
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; As of 3.0, build 1.30, KBINFO includes the number of function keys
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; As of 3.0, build 1.59, the number of bytes in the state block is
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; fixed at 4 MAX, for compatibility with Excel 2.1c!!!
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;
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PUBLIC inquireData
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PUBLIC iqdNumFunc
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inquireData LABEL BYTE
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DB BeginRange1
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DB EndRange1
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DB BeginRange2
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DB EndRange2
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DW 4 ; #bytes of state info for ToAscii()
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iqdNumFunc label word
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dw 10 ; number of function keys
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sEnd DATA
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sBegin CODE
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assumes CS,CODE
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assumes DS,NOTHING
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assumes ES,NOTHING
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assumes DS,DATA
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;***************************************************************************
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;
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; Inquire( pKBINFO ) - copies information about the keyboard hardware into
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; the area pointer to by the long pointer argument. Returns a count of the
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; number of bytes copied.
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;
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; The Windows kernel calls this to copy information to its 'KeyInfo' data
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; structure.
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;
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;***************************************************************************
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cProc Inquire,<PUBLIC,FAR>,<si,di>
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parmD pKBINFO
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cBegin Inquire
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; .. now pass data to Windows ..
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les di,pKBINFO ; Get far pointer of destination area
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mov si, OFFSET inquireData ; Get source
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mov ax,size KBINFO ; Get number of bytes to move
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mov cx,ax ; (Return byte count in AX)
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rep movsb ; Move the bytes
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cEnd Inquire
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;---------------------------------------------------------------------
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;
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;---- ScreenSwitchEnable( fEnable ) ----------------------------------
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;
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; This function is called by the display driver to inform the keyboard
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; driver that the display driver is in a critical section and to ignore
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; all OS/2 screen switches until the display driver leaves its
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; critical section. The fEnable parameter is set to 0 to disable
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; screen switches, and a NONZERO value to re-enable them. At startup,
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; screen switches are enabled.
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;---------------------------------------------------------------------
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;
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cProc ScreenSwitchEnable,<PUBLIC,FAR>
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parmW fEnable
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cBegin ScreenSwitchEnable
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mov ax,fEnable ; get WORD parameter
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or al,ah ; stuff any NZ bits into AL
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;;; mov fSwitchEnable,al ; save BYTE.
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cEnd ScreenSwitchEnable
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;---------------------------------------------------------------------
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;
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;---- EnableKBSysReq( fSys ) ----------------------------------
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;
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; This function enables and shuttles off NMI interrupt simulation
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; (trap to debugger) when CTRL-ALT-SysReq is pressed.
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; CVWBreak overides int 2.
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; fSysParm = 01 enable int 2
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; = 02 disable int 2
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; = 04 enable CVWBreak
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; = 08 disable CVWBreak
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;
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;---------------------------------------------------------------------
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;
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cProc EnableKBSysReq,<PUBLIC,FAR>
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parmW fSysParm
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cBegin EnableKBSysReq
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mov ax, fSysParm ; get WORD parameter
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test al,01 ; turn on int 2?
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jz @F
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or fSysReq,01 ; yes, turn it on!
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@@: test al,02 ; turn off int 2?
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jz @F
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and fSysReq,NOT 01 ; yes, turn it off!
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@@: test al,04 ; turn on CVWBreak?
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jz @F
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or fSysReq,02 ; yes, turn it on!
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@@: test al,08 ; turn off CVWBreak?
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jz @F
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and fSysReq,NOT 02 ; yes, turn it off!
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@@:
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xor ah,ah
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mov al,fSysReq
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ifdef NEWNMI
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push ax ; save return value
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call short GetNmi ; save NMI
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pop ax ; restore ..
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endif
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cEnd EnableKBSysReq
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; save NMI vector. Called above in EnableKBSysReq() and in Enable().
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ifdef NEWNMI
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GetNmi proc near
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mov ax,3502h
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int 21h
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mov word ptr ds:[nmi_vector][0],bx
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mov word ptr ds:[nmi_vector][2],es
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ret
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GetNmi endp
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endif
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;***************************************************************************
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;
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; Enable( eventProc ) - enable hardware keyboard interrupts, with the passed
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; procedure address being the target of all keyboard events.
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;
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; lpKeyState is a long pointer to the Windows 256 byte keystate table
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;
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;***************************************************************************
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cProc Enable,<PUBLIC,FAR>,<si,di>
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parmD eventProc
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parmD lpKeyState
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cBegin Enable
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sub ax, ax
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cEnd Enable
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;***************************************************************************
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; Disable( eventProc ) - disable hardware keyboard interrupts, restoring
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; the previous IBM BIOS keyboard interrupt handler.
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;
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;***************************************************************************
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cProc Disable,<PUBLIC,FAR>,<si,di>
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cBegin Disable
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sub ax,ax
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cEnd Disable
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; ** GetTableSeg() ***************************************
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;
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; This finds the paragraph of the TABS segment and stores
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; it in TableSeg.
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;
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; Calling this will force the segment to be loaded.
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;
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; This segment isn't written to.
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;
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; REMEMBER that AX is TRASHED !!
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cProc GetTableSeg,<PUBLIC,FAR>,<si,di>
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cBegin GetTableSeg
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;;; mov ax,cs
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;;; mov TableSeg,ax
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cEnd GetTableSeg
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;***************************************************************************
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;
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; NewTable()
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;
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; Change keyboard tables, if a keyboard table DLL is defined in
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; SYSTEM.INI and the function GetKbdTable() exists and returns
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; successfully.
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;
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; This function is passed no parameters by the caller -- it obtains
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; the following from SYSTEM.INI:
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;
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; [keyboard]
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; TYPE = 4 ; 1..6. 4 is enhanced kbd.
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; SUBTYPE = 0 ; 0 for all but Olivetti
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; ; 8086 systems & AT&T 6300+
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; KEYBOARD.DLL = kbdus.dll ; name of DLL file
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; OEMANSI.BIN = XLATNO.BIN ; oem/ansi tables file
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;
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; The module name of the DLL is expected to be the root of the DLL's
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; file name. In any event, the module name must be different for
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; each keyboard-table DLL!
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;
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;***************************************************************************
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cProc NewTable,<PUBLIC,FAR>,<si,di>
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; LOCAL variables on stack:
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cBegin NewTable
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sub ax,ax
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cEnd NewTable
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; SetSpeed.asm
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;
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;
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; Sets 'typematic' speed of AT-type keyboards (type code 3 or 4 in this
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; driver).
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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cProc SetSpeed,<FAR,PASCAL,PUBLIC>
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parmW rate_of_speed
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cBegin
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SS_error_return:
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mov ax,-1 ; error return
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SS_end:
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cEnd
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cProc GetBIOSKeyProc, <FAR, PUBLIC>
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cBegin
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mov ax, word ptr [bios_proc][0]
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mov dx, word ptr [bios_proc][2]
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cEnd
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sEnd CODE
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end
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