May 262017
 

Kevin Thacker released a new work in progress version of his Amstrad CPC emulator called Arnold. For this release he did a huge amount of testing, especially for the FDC routines, and wrote a lot of tests to ensure that the emulator behaves just like the real machine.

You can get a precompiled version here: http://www.cpctech.org.uk/setup.zip

And for the Linux and Mac users (and Windows users :-)) – you can get the source code here: http://www.cpctech.org.uk/arnoldsrc.zip

Here is the changelog for this version (be prepared… it is huuuuuuge):

Continue reading »

Dec 312016
 

As promised, Keith56 released his new bullet hell shooter for the Amstrad CPC 6128 & Plus on the 31st December. In the good old tradition of bullet hell shooters, you are playing a side-scrolling game with enemies, shooting an extreme load of bullets to you, which you have – of course – to avoid. Here is the introduction from the author:

“Chibiko didn’t get any presents from Santa this year… in fact, in the last year she’s been killed by
God, banished from hell, and reincarnated as the enemy of all mankind -so it’s pretty likely she will
never get in his good books again!
Still, she can always do without that ‘gotta-buy-it’ plush doll, and the coal is always useful for
burning ‘leftovers’.
What’s a whole lot less welcome is the strange monsters that have been lurking around the
mountains lately – and now they are infesting HER castle!
Join Chibiko in her unholy battle against the invasion of badly drawn, cliche and generally uninspired
enemies, pummel your way through 4 levels of brainless firepower crazy action – and unleash hell on
the 4 end level boss enemies!”

You can download the game (and its source code) from the website of the game or at the end of this news. Of course, you can also discuss it on the CPCWiki forums.

ChibiAkumas Multidisk
ChibiAkumas Multidisk
ChibiAkumas_Multidisk.7z
Version: v1.06
114.4 KiB
392 Downloads
Details
ChibiAkumas Source With Spritecompiler
ChibiAkumas Source With Spritecompiler
ChibiAkumas_Source_With_Spritecompiler.7z
Version: v1.06
269.9 KiB
383 Downloads
Details
Dec 312016
 

Roudoudou worked on a compressor / decompressor which uses the LZ48 / LZ49 compression algorithm on the Amstrad CPC and released his work in the CPCWiki forums. The compressor is inspired by the LZ4 compression algorithm of Yann Collet and the modifications fits well to the Z80 CPU of the Amstrad CPC. The advantage of this compression method is, that the decompression code is very small (83 bytes) and very fast. The disadvatage is that there are other compressors which feature a better compression ratio, but require more memory and more time for decompression as well.
You can get more information about the modified algorithm and download the assembly source from the CPCWiki forums. You can also find a version for SDCC / CPCtelera and binary files for Windows there.

LZ48/49 (de)compressor
LZ48/49 (de)compressor
LZ48-49-de-compressor.zip
16.5 KiB
249 Downloads
Details
Dec 312016
 

Docent wrote a decompressor the the LZ4 compression algorithm, which can be used on any Zilog Z80 CPU. The focus of the LZ4 compression algorithm is a fast decompression speed and a small decompression routine. The size of Docents version of the decompression routine is 219 bytes (raw decompression routine under 110 bytes) and it supports the legacy and the newest LZ4 format (except for framing).
You can download the latest version of the decompression code here or at the end of this news.

Features

  • decompresses files packed by lz4 command line packer and raw lz4 compressed data
  • supports legacy and the newest lz4 file format (except framing)
  • fully relocatable code
  • total size of 219 bytes size with raw decompression routine below 110 bytes
  • cpc firmware friendly (no alternate register set used)
  • ROM friendly – no self modifying code or additional memory required
  • simple interface – only start of file in memory and target memory destination required

 

LZ4 Decompressor
LZ4 Decompressor
LZ4-Decompressor.zip
7.0 KiB
175 Downloads
Details
Nov 212016
 

Some time ago the Mojon Twins released their Amstrad CPC port of their game Sir Ababol 2 (you can download Sir Ababol here). In Sir Ababol 2 you have to guide the main character, Sir Ababol, to the top of the six towers of Freezia. Of course you have to fight against several enemies which you will meet on your way.

Sir Ababol 2 by the Mojon Twins

You can download Sir Ababol 2 from the Mojon Twins homepage or at the end of this posting. The source code for the game can be found there, too.

Sir Ababol 2 by the Mojon Twins - in game graphics

The game was developed with the Z88dk cross-compiler by using the PSG player by Wyz, the CPCRSlib by Artaburu and uses the Exomizer 2 compression library by MetalBrain.

Sir Ababol 2
Sir Ababol 2
mojon-twins-sir-ababol-2-CPC.zip
63.8 KiB
142 Downloads
Details
Sir Ababol 2 source code
Sir Ababol 2 source code
mojon-twins-sir-ababol-2-CPC-src.7z
737.8 KiB
371 Downloads
Details

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