1 files changed, 95 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/utils/dos/WinExit.asm b/src/VBox/ValidationKit/utils/dos/WinExit.asm
new file mode 100644
index 00000000..1705d261
--- /dev/null
+++ b/src/VBox/ValidationKit/utils/dos/WinExit.asm
@@ -0,0 +1,95 @@
+; $Id: WinExit.asm $
+;; @file
+; 16-bit windows program that exits windows.
+;
+; Build: wcl -I%WATCOM%\h\win -l=windows -k4096 -fm WinExit.asm
+;
+
+;
+; Copyright (C) 2018-2023 Oracle and/or its affiliates.
+;
+; This file is part of VirtualBox base platform packages, as
+; available from https://www.virtualbox.org.
+;
+; This program is free software; you can redistribute it and/or
+; modify it under the terms of the GNU General Public License
+; as published by the Free Software Foundation, in version 3 of the
+; License.
+;
+; This program is distributed in the hope that it will be useful, but
+; WITHOUT ANY WARRANTY; without even the implied warranty of
+; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+; General Public License for more details.
+;
+; You should have received a copy of the GNU General Public License
+; along with this program; if not, see <https://www.gnu.org/licenses>.
+;
+; The contents of this file may alternatively be used under the terms
+; of the Common Development and Distribution License Version 1.0
+; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+; in the VirtualBox distribution, in which case the provisions of the
+; CDDL are applicable instead of those of the GPL.
+;
+; You may elect to license modified versions of this file under the
+; terms and conditions of either the GPL or the CDDL or both.
+;
+; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+;
+
+
+
+;.stack 4096
+STACK   segment para stack 'STACK'
+STACK   ends
+
+
+extrn INITTASK:FAR
+extrn INITAPP:FAR
+extrn EXITWINDOWS:FAR
+extrn WAITEVENT:FAR
+
+_TEXT   segment word public 'CODE'
+start:
+        push    bp
+        mov     bp, sp
+
+        ;
+        ; Initialize the windows app.
+        ;
+        call    INITTASK
+
+        xor     ax, ax
+        push    ax
+        call    WAITEVENT
+
+        push    di                      ; hInstance
+        push    di
+        call    INITAPP
+
+        ;
+        ; Do what we're here for, exitting windows.
+        ;
+        xor     ax, ax
+        xor     cx, cx
+        xor     dx, dx
+        push    ax
+        push    ax
+        push    ax
+        push    ax
+        call    EXITWINDOWS
+
+        ;
+        ; Exit via DOS interrupt.
+        ;
+        xor     al, al
+        mov     ah,04cH
+        int     021h
+
+        mov     sp, bp
+        pop     bp
+        ret
+
+_TEXT   ends
+
+end start
+