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/* This file is part of the SvarCOM project and is published under the terms
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/* This file is part of the SvarCOM project and is published under the terms
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 * of the MIT license.
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 * of the MIT license.
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 *
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 *
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 * Copyright (C) 2021 Mateusz Viste
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 * Copyright (C) 2021 Mateusz Viste
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 *
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 * all copies or substantial portions of the Software.
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 *
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 * DEALINGS IN THE SOFTWARE.
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 */
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 */
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/*
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/*
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 * ver
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 * ver
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 */
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 */
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#define PVER "2021.0"
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#define PVER "2021.0"
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#define COPYRDATE "2021"
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static int cmd_ver(struct cmd_funcparam *p) {
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static int cmd_ver(struct cmd_funcparam *p) {
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  char *buff = p->BUFFER;
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  char *buff = p->BUFFER;
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  unsigned char maj = 0, min = 0;
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  unsigned char maj = 0, min = 0;
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  /* help screen */
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  /* help screen */
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  if (cmd_ishlp(p)) {
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  if (cmd_ishlp(p)) {
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    outputnl("Displays the DOS version.");
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    outputnl("Displays the DOS version.");
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    outputnl("");
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    outputnl("ver [/about]");
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    return(-1);
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  }
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  if ((p->argc == 1) && (imatch(p->argv[0], "/about"))) {
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    outputnl("SvarCOM is a shell interpreter for DOS kernels compatible with MS-DOS 5+.");
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    outputnl("");
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    outputnl("This software is distributed under the terms of the MIT license.");
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    outputnl("Copyright (C) " COPYRDATE " Mateusz Viste");
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    outputnl("");
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    outputnl("Prace te dedykuje Milenie i Mojmirowi. Zycze wam, abyscie w dalszym zyciu");
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    outputnl("potrafili wlasciwie docenic wartosc czasow minionych i czerpali radosc z");
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    outputnl("prostych przyjemnosci dnia codziennego.  Lair, jesien 2021.");
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    return(-1);
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    return(-1);
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  }
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  }
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  if (p->argc != 0) {
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  if (p->argc != 0) {
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    outputnl("Invalid parameter");
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    outputnl("Invalid parameter");
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    return(-1);
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    return(-1);
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  }
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  }
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  _asm {
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  _asm {
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    push ax
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    push ax
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    push bx
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    push bx
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    push cx
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    push cx
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    mov ah, 0x30   /* Get DOS version number */
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    mov ah, 0x30   /* Get DOS version number */
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    int 0x21       /* AL=maj_ver_num  AH=min_ver_num  BX,CX=OEM */
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    int 0x21       /* AL=maj_ver_num  AH=min_ver_num  BX,CX=OEM */
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    mov [maj], al
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    mov [maj], al
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    mov [min], ah
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    mov [min], ah
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    pop cx
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    pop cx
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    pop bx
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    pop bx
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    pop ax
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    pop ax
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  }
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  }
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  sprintf(buff, "DOS kernel version %u.%u", maj, min);
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  sprintf(buff, "DOS kernel version %u.%u", maj, min);
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  outputnl(buff);
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  outputnl(buff);
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  outputnl("SvarCOM shell ver " PVER);
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  outputnl("SvarCOM shell ver " PVER);
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  return(-1);
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  return(-1);
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}
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}
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