Data Compression: Difference between revisions
From CPCWiki - THE Amstrad CPC encyclopedia!
More actions
No edit summary |
→The power of CrossDev: added zx7 |
||
| (9 intermediate revisions by 4 users not shown) | |||
| Line 1: | Line 1: | ||
Wikipedia says : | |||
''In computer science and information theory, data compression or source coding is the process of encoding information using fewer bits (or other information-bearing units) than an unencoded representation would use, through use of specific encoding schemes.'' | |||
So be it. | |||
==Compression ? In my CPC ?== | |||
More often than you may believe. | |||
==The power of CrossDev== | |||
It was common to use a 16 bit computer like an [[Atari|Atari ST]] to get stronger compression. Today it is possible to get various compressors which are running on a PC platform and produce binary files which can be decompressed on [[Z80]] computers. | |||
[[Xyphoes Fantasy]] is a noteable example. The data is compressed and it was generated on an Atari ST. | |||
Examples for modern CrossDev compression programs with Z80 decompression routines are | |||
* [[Bitbuster]] | |||
* [[Exomizer]] | |||
* [[MegaLZ]] | |||
* [[Pucrunch]] | |||
* [[ZX7]] | |||
== File compression == | == File compression == | ||
| Line 7: | Line 29: | ||
*[[CrownCruncher|CrownCruncher]] ([[Crown|Crown]]) | *[[CrownCruncher|CrownCruncher]] ([[Crown|Crown]]) | ||
*[[FlowerCruncher|FlowerCruncher]] ([[Roudoudou|Roudoudou]]) | *[[FlowerCruncher|FlowerCruncher]] ([[Roudoudou|Roudoudou]]) | ||
*[[LZ48|LZ48]] ([[Roudoudou|Roudoudou]]) | |||
*[[LZ49|LZ49]] ([[Roudoudou|Roudoudou]]) | |||
*[[SQ23|SQ23]] | *[[SQ23|SQ23]] | ||
*[[Turbocruncher|Turbocruncher]] ([[Elmar Krieger|Elmar Krieger]]) | *[[Turbocruncher|Turbocruncher]] ([[Elmar Krieger|Elmar Krieger]]) | ||
| Line 14: | Line 38: | ||
== File decompression == | == File decompression == | ||
*[[LZ4|LZ4]] ([[Roudoudou|Roudoudou]]) | |||
*[[NLarge|NLarge]] ([[FG Brain|FG Brain]]) | *[[NLarge|NLarge]] ([[FG Brain|FG Brain]]) | ||
==Links== | |||
[http://en.wikipedia.org/wiki/Data_compression Wikipedia's opinion on the | [http://en.wikipedia.org/wiki/Data_compression Wikipedia's opinion on the matter...] | ||
[[Category:DATA Storage]] | [[Category:DATA Storage]][[Category:Programming]][[Category:Applications]][[Category:CrossDev]] | ||
Latest revision as of 11:08, 4 May 2017
Wikipedia says :
In computer science and information theory, data compression or source coding is the process of encoding information using fewer bits (or other information-bearing units) than an unencoded representation would use, through use of specific encoding schemes.
So be it.
Compression ? In my CPC ?
More often than you may believe.
The power of CrossDev
It was common to use a 16 bit computer like an Atari ST to get stronger compression. Today it is possible to get various compressors which are running on a PC platform and produce binary files which can be decompressed on Z80 computers.
Xyphoes Fantasy is a noteable example. The data is compressed and it was generated on an Atari ST.
Examples for modern CrossDev compression programs with Z80 decompression routines are