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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.

 Source of the stream[posted by TMR on 10 October ] 
Gamerz Xtreme Intro 2 is, possibly unsurprisingly, a follow up to 2016's Gamerz Xtreme Intro and once more written for use on a streaming channel. As before, the code and graphics are by T.M.R with music from aNdy which was specifically composed for this release.

 The sound of violence[posted by TMR on 09 July 201] 
We've got a new demo for the C64, specifically a music collection by the name of Unused Shmup Tunes where, along with the titular music, everything else was done by aNdy, who has included source code and work files in the archive for those who enjoy delving around.

 Last of 2018 and first of 2019[posted by TMR on 05 January ] 
T.M.R has just released a final intro for the CSDb Intro Creation Competition which is called Level One and has a game-like theme. The music is courtesy of aNdy, with code and graphics from T.M.R.

 Somebody cracked our intro![posted by TMR on 25 December] 
Crack Intro is another entry into the CSDb Intro Creation Competition from Cosine, once more coded by T.M.R but this time sporting music by Odie. And yes, the entire thing is built around a terrible "pun"...

 More glorious FM[posted by TMR on 15 December] 
Here's something a little different for a cold Saturday afternoon; ICSRTU-FM (or I Can See Right Thru You on formal letters) features a cover of the titular Supercharge song which was expertly handled by Odie and his FM music driver. That means it needs either an FM-YAM cartridge or the SFX Sound Expander with a YM3812 upgrade, the latter of which can be emulated with VICE.
 Intro to small intros, part 1 and 2[posted by TMR on 08 December] 
We've got not one but two new little intros released today, the first is Femtotro, features code and graphics by T.M.R with music from 4-Mat and is an entry for the CSDb Intro Creation Competition. It was based on a compact Babygang intro written in 1991 that's included in Backlog.

Released alongside Femtotro was Zeptotro which has the same credits (although features far less graphics) and carries on where it's bigger brother leaves off when it comes to size coding, since it lives in the default screen RAM and doesn't use any memory above $7fff when running.

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