Subversion Repositories SvarDOS

/* This file is part of the SvarCOM project and is published under the terms

 * of the MIT license.

 *

 * Copyright (C) 2021 Mateusz Viste

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 * DEALINGS IN THE SOFTWARE.

 */

#ifndef RMODINIT_H

#define RMODINIT_H

#define FLAG_EXEC_AND_QUIT    1

#define FLAG_PERMANENT        2

#define FLAG_ECHOFLAG         4

#define FLAG_ECHO_BEFORE_BAT  8

#define FLAG_SKIP_AUTOEXEC   16

struct rmod_props {

  char inputbuf[130];         /* input buffer for INT 21, AH=0x0A */

  unsigned short rmodseg;     /* segment where rmod is loaded */

  unsigned long origparent;   /* original parent (far ptr) of the shell */

  unsigned short origenvseg;  /* original environment segment */

  unsigned char flags;        /* command line parameters */

  unsigned char version;      /* used to detect mismatch between rmod and SvarCOM */

  char batfile[130];          /* truename of batch file being processed */

  char batargv[130];          /* args of the batch call (0-separated) */

  unsigned long batnextline;  /* offset in file of next bat line to process */

  char awaitingcmd[130];      /* command to exec next time (if any) */

};

#define RMOD_OFFSET_ENVSEG     0x2C   /* stored in rmod's PSP */

#define RMOD_OFFSET_COMSPECPTR (0x100 + 0x4A)

#define RMOD_OFFSET_BOOTDRIVE  (0x100 + 0x4C)

#define RMOD_OFFSET_LEXITCODE  (0x100 + 0x5B)

#define RMOD_OFFSET_EXECPARAM  (0x100 + 0x5C)

#define RMOD_OFFSET_EXECPROG   (0x100 + 0x6A)

#define RMOD_OFFSET_STDINFILE  (0x100 + 0xEA)

#define RMOD_OFFSET_STDOUTFILE (0x100 + 0x16A)

#define RMOD_OFFSET_STDOUTAPP  (0x100 + 0x1EA)

#define RMOD_OFFSET_STDIN_DEL  (0x100 + 0x1EC)

#define RMOD_OFFSET_BRKHANDLER (0x100 + 0x1ED)

#define RMOD_OFFSET_ROUTINE    (0x100 + 0x1EF)

struct rmod_props far *rmod_install(unsigned short envsize, unsigned char *rmodcore, unsigned short rmodcore_len);

struct rmod_props far *rmod_find(unsigned short rmodcore_len);

void rmod_updatecomspecptr(unsigned short rmod_seg, unsigned short env_seg);

#endif