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LGHA
"Внебрачный" сын архиватора
HA, любимого за якобы всегда качественное сжатие текстов. Программа показывает более высокую чем HA скорость работы, имеет больше опций, поддерживает функции создания самораспаковывающихся архивов.
LGHA is MS-DOS archiver program (program that compresses files and
than collects them into one file called "archive").
It creates archives with .HA extension (like Harri Hirvola's HA.EXE). It works approx. 2
times faster than HA.
Requires 386 or higher CPU.
In the october, 1996 author has downloaded source code for HA
v0.999c from one of the russian BBS.
He heard a lot about HA archiver before, but as he knew, the slow speed is a main
disadvantage of its wide usage, so he made decision to completely rewrite the program
using 386 assembler.
In june, 1997 he has finished first complete version of LGHA, which was written in
TurboPascal v6.0 and TASM v3.01.
Main advantages of program:
-
Desperately increased speed(ASC-~1.5-1.7 times, HSC-~2.1-2.4 times,
CPY-~1.2-1.4 times, recursion and archive handling - up to 10 times faster).
-
Added ability to create Sfx-archives (with only 8503 bytes
overhead).
-
Fixed bug (may be made intentionally) in the ASC packing (last
symbol always goes to CodeChar). MINLENLIM changed to 8192. Thus archives created by LGHA are sometimes smaller in size but you still
can extract them with HA.
-
Added more options (like output path, listfiles, exclude, working
directory).
-
Now user may specify search depth for ASC method (MAXCNT) in command
line from 1 (fastest) to 30000.
-
Program size at the moment is about 36000 bytes.
-
Decreased memory amount required for ASC packing (program don't use
the BEST array - thus it's no need to change GS, FS and DS).
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