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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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#define COPYRDATE "2021"
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static int 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 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("");
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outputnl("ver [/about]");
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outputnl("ver [/about]");
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#ifdef VERDBG
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#ifdef VERDBG
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outputnl("ver /dbg");
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outputnl("ver /dbg");
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#endif
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#endif
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return(-1);
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return(CMD_OK);
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}
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}
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#ifdef VERDBG
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#ifdef VERDBG
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if ((p->argc == 1) && (imatch(p->argv[0], "/dbg"))) {
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if ((p->argc == 1) && (imatch(p->argv[0], "/dbg"))) {
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unsigned short far *rmod_envseg = MK_FP(p->rmod->rmodseg, RMOD_OFFSET_ENVSEG);
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unsigned short far *rmod_envseg = MK_FP(p->rmod->rmodseg, RMOD_OFFSET_ENVSEG);
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unsigned char far *rmod_exitcode = MK_FP(p->rmod->rmodseg, RMOD_OFFSET_LEXITCODE);
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unsigned char far *rmod_exitcode = MK_FP(p->rmod->rmodseg, RMOD_OFFSET_LEXITCODE);
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unsigned short far *rmod_comspecptr = MK_FP(p->rmod->rmodseg, RMOD_OFFSET_COMSPECPTR);
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unsigned short far *rmod_comspecptr = MK_FP(p->rmod->rmodseg, RMOD_OFFSET_COMSPECPTR);
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char far *fptr;
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char far *fptr;
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unsigned short i;
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unsigned short i;
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printf("rmod->rmodseg = 0x%04X\r\n", p->rmod->rmodseg);
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printf("rmod->rmodseg = 0x%04X\r\n", p->rmod->rmodseg);
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printf("rmod->origparent = %04X:%04X\r\n", p->rmod->origparent >> 16, p->rmod->origparent & 0xffff);
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printf("rmod->origparent = %04X:%04X\r\n", p->rmod->origparent >> 16, p->rmod->origparent & 0xffff);
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printf("rmod->origenvseg = 0x%04X\r\n", p->rmod->origenvseg);
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printf("rmod->origenvseg = 0x%04X\r\n", p->rmod->origenvseg);
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printf("rmod->flags = 0x%02X\r\n", p->rmod->flags);
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printf("rmod->flags = 0x%02X\r\n", p->rmod->flags);
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printf("[rmod:RMOD_OFFSET_ENVSEG] = 0x%04X\r\n", *rmod_envseg);
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printf("[rmod:RMOD_OFFSET_ENVSEG] = 0x%04X\r\n", *rmod_envseg);
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printf("environment allocated size: %u bytes\r\n", env_allocsz(*rmod_envseg));
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printf("environment allocated size: %u bytes\r\n", env_allocsz(*rmod_envseg));
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for (fptr = MK_FP(p->rmod->rmodseg, RMOD_OFFSET_BOOTDRIVE), i = 0; *fptr != 0; fptr++) buff[i++] = *fptr;
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for (fptr = MK_FP(p->rmod->rmodseg, RMOD_OFFSET_BOOTDRIVE), i = 0; *fptr != 0; fptr++) buff[i++] = *fptr;
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buff[i] = 0;
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buff[i] = 0;
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printf("[rmod:RMOD_OFFSET_BOOTCOMSPEC] = '%s'\r\n", buff);
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printf("[rmod:RMOD_OFFSET_BOOTCOMSPEC] = '%s'\r\n", buff);
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if (*rmod_comspecptr == 0) {
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if (*rmod_comspecptr == 0) {
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sprintf(buff, "NULL");
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sprintf(buff, "NULL");
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} else {
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} else {
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for (fptr = MK_FP(*rmod_envseg, *rmod_comspecptr), i = 0; *fptr != 0; fptr++) buff[i++] = *fptr;
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for (fptr = MK_FP(*rmod_envseg, *rmod_comspecptr), i = 0; *fptr != 0; fptr++) buff[i++] = *fptr;
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buff[i] = 0;
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buff[i] = 0;
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}
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}
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printf("[rmod:RMOD_OFFSET_COMSPECPTR] = '%s'\r\n", buff);
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printf("[rmod:RMOD_OFFSET_COMSPECPTR] = '%s'\r\n", buff);
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printf("[rmod:RMOD_OFFSET_LEXITCODE] = %u\r\n", *rmod_exitcode);
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printf("[rmod:RMOD_OFFSET_LEXITCODE] = %u\r\n", *rmod_exitcode);
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printf("rmod dump (first 64 bytes at [rmodseg:0100h]):\r\n");
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printf("rmod dump (first 64 bytes at [rmodseg:0100h]):\r\n");
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fptr = MK_FP(p->rmod->rmodseg, 0x100);
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fptr = MK_FP(p->rmod->rmodseg, 0x100);
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for (i = 0; i < 64; i += 16) {
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for (i = 0; i < 64; i += 16) {
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int ii;
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int ii;
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for (ii = i; ii < i + 16; ii++) printf(" %02X", fptr[ii]);
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for (ii = i; ii < i + 16; ii++) printf(" %02X", fptr[ii]);
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printf(" ");
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printf(" ");
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for (ii = i; ii < i + 16; ii++) {
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for (ii = i; ii < i + 16; ii++) {
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if (fptr[ii] < ' ') {
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if (fptr[ii] < ' ') {
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printf(".");
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printf(".");
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} else {
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} else {
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printf("%c", fptr[ii]);
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printf("%c", fptr[ii]);
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}
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}
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}
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}
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printf("\r\n");
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printf("\r\n");
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}
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}
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return(-1);
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return(CMD_OK);
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}
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}
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#endif
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#endif
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if ((p->argc == 1) && (imatch(p->argv[0], "/about"))) {
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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("SvarCOM is a shell interpreter for DOS kernels compatible with MS-DOS 5+.");
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outputnl("");
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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("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("Copyright (C) " COPYRDATE " Mateusz Viste");
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outputnl("");
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outputnl("");
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outputnl("Program ten dedykuje Milenie i Mojmirowi. Zycze wam, byscie w swoim zyciu");
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outputnl("Program ten dedykuje Milenie i Mojmirowi. Zycze wam, byscie w swoim zyciu");
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outputnl("potrafili docenic wartosci minionych pokolen, jednoczesnie czerpiac radosc");
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outputnl("potrafili docenic wartosci minionych pokolen, jednoczesnie czerpiac radosc");
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outputnl("z prostych przyjemnosci dnia codziennego. Lair, jesien 2021.");
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outputnl("z prostych przyjemnosci dnia codziennego. Lair, jesien 2021.");
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return(-1);
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return(CMD_OK);
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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(CMD_FAIL);
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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(CMD_OK);
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}
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}
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