Step5Archive/resources/sixpack/notes.doc at main · 70MM13/Step5Archive · GitHub

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Philip G. Gage
5345 El Camino Drive
Colorado Springs, CO 80918

Home: 719-593-1801
Work: 719-570-8089
CIS:  70541,3645

                                   NOTES


This is my entry to the Data Compression contest.  The program compresses

well but runs slowly.


The program was developed on an Amiga 2000, then ported to a PC XT clone

with MS DOS 3.3.  It is written in portable standard C and compiles

under Power C version 1.1.6 and Turbo C++ version 1.01.  The supplied

.EXE file was generated by Turbo C++.


To generate the executable file from the source file, simply compile and

link SIXPACK.C using a small memory model (I used the optimize switches

-G -O -Z for Turbo C++, but these are not essential).

        Turbo C++:      tcc -G -O -Z sixpack.c

        Power C:        pc/e sixpack.c


To compress a file, enter:

        SIXPACK inputfilename outputfilename


To decompress a file, enter:

        SIXPACK inputfilename outputfilename d

(the "d" means "decompress", but any argument will do)


                        RESULTS (8 MHZ PC XT)

       FILE           ORIG      PACKED      PACK      UNPACK
       NAME           SIZE       SIZE       TIME       TIME
                     (BYTES)    (BYTES)    (SECS)     (SECS)
       -----------------------------------------------------
       CLOWN.SCI      64778      46068       189         83
       KERMIT.EXE     99187      52032       285        101
       ICE.EXE        31256      19546        79         37
       ARTICLE.ASC    23145       7890        58         15
       C_CODE.C       45444       8252        98         21
       J.TXT          20444       5346        65         14