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rawtap Allows extract, create and append operations on .tap files. cpytap Copies a .tap file to a new .tap file while allowing file level edits; skip file, replace file, append files and insert files. Any files copied from the original source .tap will have their internal record structure maintained. cosy COSY is the compressed format used by the CDC1700. This program allows for extraction of all files from an archive and the creation of a new archive. It assumes that you would have used raw tap about to have extracted the COSY file from a tape. dbtap Utility to read, write and list .tap containers written in the DOS/BATCH-11 format. It understands ascii and binary modes and can be used to transfer files in and out of most PDP-11 operating systems (not sure about RSTS/E), early VMS and early TOPS-10 systems.
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/* tap.h: simh tape representation definitions
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Copyright (c) 2015, John Forecast
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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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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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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
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JOHN FORECAST BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of John Forecast shall not
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be used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from John Forecast.
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*/
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/*
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* Metadata markers
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*/
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#define ST_EOM 0xFFFFFFFF /* end of medium */
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#define ST_GAP 0xFFFFFFFE /* erase gap */
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#define ST_TM 0x00000000 /* tape mark */
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/*
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* Record length field layout
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*/
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#define ST_ERROR 0x80000000 /* record contains an error */
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#define ST_MBZ 0x7F000000 /* must be zero */
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#define ST_LENGTH 0x00FFFFFF /* record length */
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/*
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* Data in the .tap containe file is rounded up to an even number of bytes
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*/
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#define RECLEN(c) (((c) + 1) & ~1)
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/*
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* The maximum record length supported by this code is 64K.
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*/
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#define MAXRCLNT 65536
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