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421 mateuszvis 1
/* 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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 *
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 * Copyright (C) 2021 Mateusz Viste
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 *
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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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 * 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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 * 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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 *
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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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 *
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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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 * 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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 * 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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 * DEALINGS IN THE SOFTWARE.
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 */
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#ifndef RMODINIT_H
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#define RMODINIT_H
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#define FLAG_EXEC_AND_QUIT    1
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#define FLAG_PERMANENT        2
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#define FLAG_ECHOFLAG         4
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#define FLAG_ECHO_BEFORE_BAT  8
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#define FLAG_SKIP_AUTOEXEC   16
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struct rmod_props {
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  char inputbuf[130];         /* input buffer for INT 21, AH=0x0A */
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  unsigned short rmodseg;     /* segment where rmod is loaded */
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  unsigned long origparent;   /* original parent (far ptr) of the shell */
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  unsigned short origenvseg;  /* original environment segment */
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  unsigned char flags;        /* command line parameters */
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  unsigned char FFU;          /* FOR FUTURE USE */
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  char batfile[130];          /* truename of batch file being processed */
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  char batargv[130];          /* args of the batch call (0-separated) */
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  unsigned long batnextline;  /* offset in file of next bat line to process */
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  char awaitingcmd[130];      /* command to exec next time (if any) */
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};
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#define RMOD_OFFSET_ENVSEG     0x2C   /* stored in rmod's PSP */
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#define RMOD_OFFSET_COMSPECPTR (0x100 + 0x4A)
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#define RMOD_OFFSET_BOOTDRIVE  (0x100 + 0x4C)
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#define RMOD_OFFSET_LEXITCODE  (0x100 + 0x5B)
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#define RMOD_OFFSET_EXECPARAM  (0x100 + 0x5C)
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#define RMOD_OFFSET_EXECPROG   (0x100 + 0x6A)
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#define RMOD_OFFSET_STDINFILE  (0x100 + 0xEA)
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#define RMOD_OFFSET_STDOUTFILE (0x100 + 0x16A)
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#define RMOD_OFFSET_STDOUTAPP  (0x100 + 0x1EA)
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#define RMOD_OFFSET_BRKHANDLER (0x100 + 0x1EC)
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#define RMOD_OFFSET_ROUTINE    (0x100 + 0x1EE)
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struct rmod_props far *rmod_install(unsigned short envsize, unsigned char *rmodcore, unsigned short rmodcore_len);
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struct rmod_props far *rmod_find(unsigned short rmodcore_len);
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void rmod_updatecomspecptr(unsigned short rmod_seg, unsigned short env_seg);
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#endif