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   Коммуникация    >>    ppl4p10
 PPL4P v1.0 - Personal Protocol Library for TP  MarshallSoft Computing 03.05.1995

Библиотека коммуникационных протоколов ASCII, XMODEM, XMODEM-CRC, XMODEM-1K, YMODEM, YMODEM-G, ZMODEM. Для работы требуется коммуникационная библиотека PCL4P 4.0.
PPL4P is a protocol library supporting ASCII, XMODEM, XMODEM-CRC, XMODEM-1K, YMODEM, YMODEM-G, and ZMODEM protocols. Requires the Personal Communications Library for Pascal (PCL4P) by MarshallSoft Computing. Full source code and Manual.


Personal Protocol Library For Turbo Pascal (PCL4P) Version 1.0 Jan 15, 1995 This software is provided as-is. There are no warranties, expressed or implied. Copyright (C) 1995 All rights reserved MarshallSoft Computing, Inc. Post Office Box 4543 Huntsville AL 35815 Voice 205-881-4630 FAX 205|880|0925 BBS 205-880-9748 The Personal Protocol Library for Pascal (PPL4P) consists of ASCII, XMODEM, YMODEM, and ZMODEM protocol routines plus the example terminal program TERM and support routines such as CRC calculation codes. Source is supplied for all routines. The PPL4P also requires the Personal Communications Library (PCL4C). The library is composed of two parts as follows: (1) The copyrighted XMODEM, YMODEM, and ZMODEM functions contained in the files: xymodem.pas xypacket.pas zmodem.pas (2) The public domain example code contained in the files: term.pas term_io.pas amodem.pas modem_io.pas crc16.pas crc32.pas defines.pas si.pas opcodes.pas zdate.pas datetime.pas dir_io.pas The API (Application Programming Interface) is documented for the following four protocols: ASCII, XMODEM, YMODEM, and ZMODEM. TERM is an communications program suitable for calling up bulletin board systems (BBS) and performing as a PC to PC file copy program. TERM itself is not part of the communications library, but rather it is provided as an example of a communications application using PPL4P. Other MarshallSoft Computing Products for Pascal ------------------------------------------------ The Personal Communications Library for Pascal The Personal Communications Library for the Pascal (PCL4P) is an asynchronous communications library designed for experienced software developers programming in Turbo Pascal. The LZW Data Compression Library for Pascal LZW4P consists of a variable code size implementation of the LZW (Lempel-Ziv-Welch) algorithm for compressing and decompressing data. LZW does particularly well on text files, achieving better than a 50% compression ratio for many files.