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Welcome to the official web home of Cosine, a demo, game and utility programming group which specialises in developing for classic hardware. To view our releases on this website please select a computer or console from the menu to see everything on that machine or choose Demos, Games, Tools, Music or Graphics to narrow the results down. Selecting the chronological list from the bottom of the side menu will show everything from 1988 to the present day in order.

 The daily grind[posted by TMR on 25 Septembe] 
T.M.R spends some of the time writing random things about demos at his blog and the most recent was Demo Factory, a release from the Dark Times before he joined Cosine! That post in turn lead to the development of Demo Factory 2018, a from scratch re-write with new graphics and music from Odie.
 In glorious FM[posted by TMR on 07 July 201] 
Developed in co-operation with Xentax, Odie FM is a collection of tunes which use Odie's recently written OPL2 music driver, supporting either a modified SFX Sound Expander or FM-YAM cartridge for some lovely FM audial goodness.
 It's absolutely beastly[posted by TMR on 22 May 2018] 
aNdy's back with another old school demo for Windows PCs; Beast Tribute - Old School Demo 2 was inspired by Shadow Of The Beast on the Amiga and, as with the previous release in the series, the PureBasic source code is provided with the download.
 We do love a good DYCP[posted by TMR on 08 April 20] 
Time for something a little different at Cosine HQ, a small old school demo for Windows PCs which was developed by aNdy and, possibly unsurprisingly, called Old School Demo 1. The code was written with PureBasic and source code has been included for those who are curious.
 Bulk uploading[posted by TMR on 01 Jan 2018] 
Blok Copy for the Atari 8-bit was released as a contribution to the New Years Disk from T.M.R and aNdy; it's a conversion from the C64 code but, because the source code was going to be released and the graphics needed some tweaking, all of the changes were retrofitted and we also have Blok Copy RX for the C64 today.

Also for the Atari 8-bit is DYCP 2018 which, as the stunningly original title might hint, is a DYCP-based demo which was released in 2018! Once more the credits go to T.M.R and aNdy for this little release. To finish the post and start the year, Cosine has a new inmate member; LeWurmling was responsible for the C64 versions of Nanako and Sir Ababol amongst others and joins Cosine as a coder - welcome aboard!

 Forever blowing bubbles[posted by TMR on 30 June 201] 
Inspired by Taito games Double Dragon and Bubble Bobble, Bubble Dragon is a piece of PETSCII art from Chancer which was entered into the Plain PETSCII Graphics Competition 2017. Feel free to hum the music from either game whilst viewing!
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