169 lines
4.1 KiB
NASM
169 lines
4.1 KiB
NASM
|
;++
|
||
|
|
;
|
||
|
|
; WOW v1.0
|
||
|
|
;
|
||
|
|
; Copyright (c) 1991, Microsoft Corporation
|
||
|
|
;
|
||
|
|
; KBD.ASM
|
||
|
|
; Win16 KEYBOARD thunks
|
||
|
|
;
|
||
|
|
; History:
|
||
|
|
;
|
||
|
|
; Created 06-Jan-1992 by NanduriR
|
||
|
|
;--
|
||
|
|
|
||
|
|
TITLE KEYBOARD.ASM
|
||
|
|
PAGE ,132
|
||
|
|
|
||
|
|
.286p
|
||
|
|
|
||
|
|
.xlist
|
||
|
|
include wow.inc
|
||
|
|
include wowkbd.inc
|
||
|
|
include cmacros.inc
|
||
|
|
include windefs.inc
|
||
|
|
include vdmtib.inc
|
||
|
|
include dpmi.inc
|
||
|
|
.list
|
||
|
|
|
||
|
|
__acrtused = 0
|
||
|
|
public __acrtused ;satisfy external C ref.
|
||
|
|
|
||
|
|
ifdef DBCS
|
||
|
|
externFP GetSystemDefaultLangID
|
||
|
|
endif ; DBCS
|
||
|
|
|
||
|
|
externFP WOW16Call
|
||
|
|
|
||
|
|
|
||
|
|
createSeg _TEXT,CODE,WORD,PUBLIC,CODE
|
||
|
|
createSeg _DATA,DATA,WORD,PUBLIC,DATA,DGROUP
|
||
|
|
defgrp DGROUP,DATA
|
||
|
|
|
||
|
|
sBegin DATA
|
||
|
|
Reserved db 16 dup (0) ;reserved for Windows
|
||
|
|
KEYBOARD_Identifier db 'KEYBOARD16 Data Segment'
|
||
|
|
externD bios_proc
|
||
|
|
|
||
|
|
sEnd DATA
|
||
|
|
|
||
|
|
|
||
|
|
sBegin CODE
|
||
|
|
assumes CS,CODE
|
||
|
|
assumes DS,DATA
|
||
|
|
assumes ES,NOTHING
|
||
|
|
|
||
|
|
; Hung App Support
|
||
|
|
; If USER32 is unable to terminate an app via End Task then it calls
|
||
|
|
; WOW32 to kill the app. We do this by generating a keyboard h/w
|
||
|
|
; interrupt 9. Since in WOW all keyboard input comes via USER32 the
|
||
|
|
; keyboard h/w interrupt is unused for anything else so we can reuse
|
||
|
|
; this interrupt.
|
||
|
|
|
||
|
|
|
||
|
|
cProc KEYBOARD16,<PUBLIC,FAR>
|
||
|
|
cBegin
|
||
|
|
mov ax,3500h or 09h
|
||
|
|
int 21h ; vector is in ES:BX
|
||
|
|
mov word ptr [bios_proc][0], bx
|
||
|
|
mov word ptr [bios_proc][2], es
|
||
|
|
|
||
|
|
; Setup keyboard interrupt vector to point to our interrupt routine
|
||
|
|
mov ax,2500h or 09h
|
||
|
|
mov dx,OFFSET keybd_int
|
||
|
|
push ds ; save DS
|
||
|
|
push cs
|
||
|
|
pop ds ; set DS = CS
|
||
|
|
int 21h ; set the vector
|
||
|
|
pop ds ; restore DS
|
||
|
|
ifdef DBCS
|
||
|
|
cCall GetSystemDefaultLangID
|
||
|
|
endif ; DBCS
|
||
|
|
mov ax,1
|
||
|
|
cEnd
|
||
|
|
|
||
|
|
|
||
|
|
ifdef NEC_98
|
||
|
|
INTA0 equ 0h ;
|
||
|
|
else ; NEC_98
|
||
|
|
INTA0 equ 20h ;X'20' 8259 Interrupt Control Port
|
||
|
|
endif ; NEC_98
|
||
|
|
EOI equ 20h ;X'20' 8259 End-of-Interrupt ack
|
||
|
|
|
||
|
|
public keybd_int
|
||
|
|
keybd_int PROC FAR
|
||
|
|
push ax
|
||
|
|
push bx
|
||
|
|
push es
|
||
|
|
|
||
|
|
mov al,EOI ; Send Non-Specific EOI
|
||
|
|
out INTA0,al
|
||
|
|
|
||
|
|
;
|
||
|
|
; Now we test the bit in low memory that is set by wow32 to see if this
|
||
|
|
; is really a keyboard int forced in by the hung app support.
|
||
|
|
;
|
||
|
|
mov ax, 40h ;use bios data selector
|
||
|
|
mov es, ax
|
||
|
|
mov bx, FIXED_NTVDMSTATE_LINEAR - 400h
|
||
|
|
|
||
|
|
.386 ;make it assemble
|
||
|
|
.errnz VDM_WOWHUNGAPP AND 0ff00ffffh ;make sure it's the third byte
|
||
|
|
test byte ptr es:[bx+2], VDM_WOWHUNGAPP SHR 16
|
||
|
|
|
||
|
|
jnz short hungapp_exit ;jump if this is really a hung app
|
||
|
|
|
||
|
|
pop es
|
||
|
|
pop bx
|
||
|
|
pop ax
|
||
|
|
iret
|
||
|
|
|
||
|
|
hungapp_exit:
|
||
|
|
and byte ptr es:[bx+2], 255 - (VDM_WOWHUNGAPP SHR 16) ; turn it off
|
||
|
|
pop es
|
||
|
|
pop bx
|
||
|
|
pop ax
|
||
|
|
.286p
|
||
|
|
|
||
|
|
DPMIBOP HungAppIretAndExit ; They said OK to Nuke app.
|
||
|
|
keybd_int ENDP
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
cProc WEP,<PUBLIC,FAR,PASCAL,NODATA,NOWIN,ATOMIC>
|
||
|
|
parmW iExit ;DLL exit code
|
||
|
|
|
||
|
|
cBegin
|
||
|
|
mov ax,1 ;always indicate success
|
||
|
|
cEnd
|
||
|
|
|
||
|
|
|
||
|
|
assumes DS,NOTHING
|
||
|
|
|
||
|
|
;;; KbdThunk INQUIRE ;Internal LOCALAPI
|
||
|
|
;;; KbdThunk ENABLE ;Internal
|
||
|
|
;;; KbdThunk DISABLE ;Internal
|
||
|
|
KbdThunk TOASCII
|
||
|
|
KbdThunk ANSITOOEM
|
||
|
|
KbdThunk OEMTOANSI
|
||
|
|
;;; KbdThunk SETSPEED ;Internal
|
||
|
|
;;; KbdThunk SCREENSWITCHENABLE ;Internal
|
||
|
|
;;; KbdThunk GETTABLESEG ;Internal
|
||
|
|
;;; KbdThunk NEWTABLE ;Internal
|
||
|
|
KbdThunk OEMKEYSCAN
|
||
|
|
KbdThunk VKKEYSCAN
|
||
|
|
KbdThunk GETKEYBOARDTYPE
|
||
|
|
KbdThunk MAPVIRTUALKEY
|
||
|
|
KbdThunk GETKBCODEPAGE
|
||
|
|
KbdThunk GETKEYNAMETEXT
|
||
|
|
KbdThunk ANSITOOEMBUFF
|
||
|
|
KbdThunk OEMTOANSIBUFF
|
||
|
|
;;; KbdThunk ENABLEKBSYSREQ ;Internal LOCALAPI
|
||
|
|
;;; KbdThunk GETBIOSKEYPROC ; in kbdlocal.asm
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
sEnd CODE
|
||
|
|
|
||
|
|
end KEYBOARD16
|