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Rev 1071 Rev 1079
Line 29... Line 29...
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#define PVER "2022.3"
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#define PVER "2022.3"
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#define COPYRDATE "2021-2022"
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#define COPYRDATE "2021-2022"
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static enum cmd_result cmd_ver(struct cmd_funcparam *p) {
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static enum cmd_result 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 rc = 0, maj = 0, min = 0, rev = 0, verflags = 0;
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  unsigned char rc = 0, maj = 0, min = 0, truemaj = 0, truemin = 0, rev = 0, verflags = 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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    nls_outputnl(20,0); /* "Displays the DOS version." */
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    nls_outputnl(20,0); /* "Displays the DOS version." */
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    outputnl("");
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    outputnl("");
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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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    push dx
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    /* get the "normal" (spoofable) DOS version */
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    mov ah, 0x30  /* Get DOS version number (DOS 2+) */
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    mov ah, 0x30  /* Get DOS version number (DOS 2+) */
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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 bx
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    pop ax
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  }
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  sprintf(buff, svarlang_str(20,1), maj, min); /* "DOS kernel version %u.%u" */
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  outputnl(buff);
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  _asm {
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    push ax
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    push bx
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    push dx
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    /* get the "true" DOS version, along with a couple of extra data */
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    mov ax, 0x3306 /* Get true DOS version number (DOS 5+) */
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    mov ax, 0x3306 /* Get true DOS version number (DOS 5+) */
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    int 0x21       /* AL=return_code  BL=maj_ver_num  BH=min_ver_num */
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    int 0x21       /* AL=return_code  BL=maj_ver_num  BH=min_ver_num */
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    mov [rc], al   /*   DL=revision  DH=kernel_memory_area */
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    mov [rc], al   /* DL=revision  DH=kernel_memory_area */
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    mov [maj], bl
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    mov [truemaj], bl
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    mov [min], bh
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    mov [truemin], bh
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    mov [rev], dl
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    mov [rev], dl
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    mov [verflags], dh
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    mov [verflags], dh
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    pop dx
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    pop dx
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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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  /* MS-DOS 2-4 return 0xff, DR DOS 5&6 return 0x01 */
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  sprintf(buff, svarlang_str(20,1), maj, min); /* "DOS kernel version %u.%u" */
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  output(buff);
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  if ((rc != 255) && (rc != 1)) {
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  if ((maj != truemaj) || (min != truemin)) {
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    output(" (");
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    sprintf(buff, svarlang_str(20,10), maj, min); /* "True version %u.%u" */
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    sprintf(buff, svarlang_str(20,10), maj, min); /* "true ver xx.xx" */
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    outputnl(buff);
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    output(")");
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  }
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  outputnl("");
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    sprintf(buff, svarlang_str(20,5), 'A' + rev); /* "Revision %c" */
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  sprintf(buff, svarlang_str(20,5), 'A' + rev); /* "Revision %c" */
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    outputnl(buff);
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  outputnl(buff);
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    {
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  {
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      const char *loc = svarlang_str(20,7);        /* "low memory" */
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    const char *loc = svarlang_str(20,7);        /* "low memory" */
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      if (verflags & 16) loc = svarlang_str(20,8); /* "HMA" */
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    if (verflags & 16) loc = svarlang_str(20,8); /* "HMA" */
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      if (verflags & 8) loc = svarlang_str(20,9);  /* "ROM" */
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    if (verflags & 8) loc = svarlang_str(20,9);  /* "ROM" */
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      sprintf(buff, svarlang_str(20,6), loc);      /* "DOS is in %s" */
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    sprintf(buff, svarlang_str(20,6), loc);      /* "DOS is in %s" */
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      outputnl(buff);
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    outputnl(buff);
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    }
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  }
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  }
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  outputnl("");
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  outputnl("");
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  nls_output(20,2); /* "SvarCOM shell ver" */
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  nls_output(20,2); /* "SvarCOM shell ver" */
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  outputnl(" " PVER);
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  outputnl(" " PVER);