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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.

 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.

 Needs some introduction[posted by TMR on 24 November] 
The CSDb Intro Creation Competition is back for 2018 and, one day after Doctor Who day, so is Cosine with a new intro called Oldest Style. Fresh, 8580-powered music this time is by aNdy and the old school code and graphics are from T.M.R.
 Scary darey[posted by TMR on 31 October ] 
If your mansion house needs haunting just call... Cosine? Perhaps, but aNdy has just released his Halloween-themed Old School Demo 3 for those who like things that go bump in the night and have a DYCP scroller! Once again, the PureBasic source code and assets have been provided with the download.
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