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Welcome to Codetapper's site, now featuring articles about the Amiga, C64 and the Atari ST! The C64 and Atari ST sections will be flushed out with more articles over the next few weeks.

Diary of a C64 game: Paradroid
12/11/2020

Andrew Braybrook published a 4-part 'diary of a game' called 'Birth of a Paradroid' in ZZAP!64 magazine in 1985.Andrew Braybrook published a 4-part 'diary of a game' called 'Birth of a Paradroid' in ZZAP!64 magazine from issue 3 (July 1985). Paradroid went on to receive a gold medal award with a 97% rating in ZZAP!64 issue 7 from November 1985.

The whole truth about Games Programming: Menace
08/11/2020

Dave Jones, programmer of Menace and Blood Money for Psygnosis, created a 7-part series in Amiga Format discussing how he wrote the game Menace.Dave Jones, programmer of Menace and Blood Money for Psygnosis, created a 7-part series in Amiga Format discussing how he wrote the game Menace. Dave also gave away some of the source code to the game on the coverdisk each month. The series ran from issue 7 (February 1990) to issue 13 (August 1990).

Diary of a C64 Game: Iridis Alpha
05/11/2020

Jeff Minter published a 4-part 'diary of a game' for Iridis Alpha in ZZAP!64 magazine in 1986.Jeff Minter published a 4-part 'diary of a game' called 'The Daily Llama' in ZZAP!64 magazine from issue 13 (May 1986). Iridis Alpha went on to receive a sizzler award with a 95% rating in ZZAP!64 issue 18.

Diary of an Amiga game: Paradroid 90
03/11/2020

Andrew Braybrook's diary featured in Amiga Action as he converts his C64 classic Paradroid to the Amiga.Follow Andrew Braybrook's 3-part diary-of-a-game that was featured in Amiga Action magazine, as he converts his C64 classic Paradroid to the Amiga.

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New Atari ST section added!
30/12/2019

After a request from Joe Musashi for an ST breakdown of StarRay, an Atari ST section has been added to the website!After a request from Joe Musashi for an ST breakdown of StarRay, an Atari ST section has been added to the website! With it's MIDI ports, the ST was definitely more than just a doorstop that Amiga owners joked about!

An interview with Zippy
20/10/2019

Zippy was one of the most high-profile crackers on the Atari ST scene as a member of the Medway Boys and later Cynix.Zippy was one of the most high-profile crackers on the Atari ST scene as a member of the Medway Boys and later Cynix. Zippy was responsible for creating more than 100 compilation disks (known as "menus" on the Atari ST).

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California Games C64 copy protection myth
16/01/2018

Programmer Chuck Sommerville claimed all pirated versions were based on the cassette version.Programmer Chuck Sommerville claimed that all pirated versions of California Games on the C64 were based on the cassette version, adding that the disk version still hasn't been pirated, and blaming US Gold for a dent in sales.

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New Commodore 64 section added
06/01/2018

After numerous requests from people over the years, a C64 section has been added to the website!After numerous requests from people over the years, a C64 section has been added to the website! The C64 is my original computer and second favourite machine of all time after the Amiga.

Deleted end sequence in Final Fight Amiga
23/12/2017

Richard Aplin removed the alternative end-sequence from the Amiga version at the last minute.Richard Aplin removed the alternative end-sequence from the Amiga version at the last minute, figuring that it would be seen and printed in magazines and that it was a little bit risque for the time.

Alternative intro and topless ring-girls in Dynamite Dux
20/12/2017

By typing a specific code word into memory, the intro sequence changes from a story about rescue to a filthy version!By typing a specific code word into memory, the intro sequence changes from a story about rescue to a filthy version!

Helter Skelter version differences
10/01/2017

An in-depth analysis of the differences between the 1988 and 1990 versions of Helter Skelter from Audiogenic.Audiogenic were notorious for re-releasing practically the same game multiple times on the Amiga (Impact, Graham Gooches cricket, World Class Rugby etc). Here's an in-depth analysis of the differences between the 1988 and 1990 versions of Helter Skelter.

Pac-Mania sprite tricks
16/11/2016

The most interesting thing is how the Teque programming team avoided having to use many sprite tricks!Only just qualifying for a sprite trick analysis, the most interesting thing about Pac-Mania is how the Teque programming team intentionally avoided having to use many sprite tricks at all!

Rod-Land sprite tricks
12/11/2016

All 8 sprites were used to create a 16 colour score panel on the right hand side of the screen.All 8 sprites were used to create a 16 colour score panel on the right hand side of the screen. This allowed the game area to stay 16 colours and retained enough speed for some big enemies.

Videokid sprite tricks
27/10/2016

6 sprites are multiplexed across the screen to create a full screen scrolling background parallax layer.Programmer Stuart Cook enhanced the Amiga version by using 6 sprites multiplexed across the screen to create a full screen scrolling background parallax layer. The Atari ST version had a solid blue sky instead of the parallax background.

Hidden messages in Cannon Fodder
07/10/2016

Sensible Software added a secret message to the end sequence.Sensible Software added a secret message to the end sequence of Cannon Fodder, and a second to the publisher logo.

Amazing Paperboy Delivers!
16/06/2016

In terms of gameplay mechanics, Paperboy must surely rank as one of the most ridiculous ever devised.In terms of gameplay mechanics, Paperboy must surely rank as one of the most ridiculous ever devised. If you think about what is actually happening in the game, almost everything in it is absolutely crazy.

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Defaced S.D.I. credits mystery solved!
24/12/2014

The mystery of who defaced the end credits screen in the Amiga version of S.D.I. finally solved!While patching the Amiga version of SDI to run from a hard drive, I noticed a hidden statue of liberty picture along with a vandalised end credits screen. The mystery of who did this began, and in late 2014, the mystery was finally solved!

An interview with Ricardo Puerto
08/10/2014

Programmer of Risky Woods, a game that featured an impressive 16 colour background pattern created with multiplexed sprites.Ricardo Puerto programmed the Amiga game Risky Woods for Dinamic back in 1992. Risky Woods featured a very impressive 16 colour background pattern created with multiplexed sprites. He also created the arcade game Biomechanical Toy, and a game for a theme park!

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