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Delirious 11   [2018]

Delirious 11 Released by :
Genesis Project [web]

Release Date :
30 June 2018

Type :
C64 Demo

Released At :
Gubbdata 2018

Achievements :
C64 Demo Competition at Gubbdata 2018 :  #2

User rating:*********_  9.4/10 (56 votes)   See votestatistics
**********  9.7/10 (24 votes) - Public votes only.

Credits :
Code .... Raistlin of Genesis Project
Music .... MCH of Dream, Genesis Project, MultiStyle Labs, Samar Productions
Graphics .... Raistlin of Genesis Project
  Razorback of Genesis Project
  redcrab of Genesis Project, Goin' Sideways, Performers
Design .... hedning of Genesis Project, Propaganda Magazine Staff, Radio 6581
  Raistlin of Genesis Project
Charset .... hedning of Genesis Project, Propaganda Magazine Staff, Radio 6581
  redcrab of Genesis Project, Goin' Sideways, Performers
Loader .... Lft of Kryo
Paper Art .... redcrab of Genesis Project, Goin' Sideways, Performers
Directory Art .... Sink of Desire

SIDs used in this release :
Delirious 11 (tune 1)(/MUSICIANS/M/MCH/Delirious_11_tune_1.sid)

Download :
http://csdb.dk/getinternalfile.php/168811/Delirious11-GP.d64 (downloads: 1228)
http://csdb.dk/getinternalfile.php/168871/Delirious11Sleeve.pdf (downloads: 196)
ftp://ftp.scs-trc.net/pub/c64/Party/2018/Gubbdata/Delirious_11.zip (downloads: 144)

Look for downloads on external sites:

Production Info
Submitted by Raistlin on 26 July 2018
The demo was made over a period of 3 months and was the first new code that Raistlin had developed on C64 since leaving the scene back in 1992.

Circle Scroll: this part revisits an effect that I made for Delirious 10 back in 1990-91. For Delirious 11, I've optimised the effect using some clever offline tricks to reduce the number of overlapping writes (ie. reducing the need for OR'ing the data) as well as a restructuring of the output code to be cleverer about how adjacent chars are looked up. Together the optimisations opened up enough frame time that I could add in a near-full-screen logo scroll. I believe the circle scroll is a world record of some sort - but I'm not sure which. There are 96 bobs used with a 6x5 pixel font.

Diagonal Bitmap Scroller: This effect uses almost the entire 64k of memory. So much so that we had to choose a tune that used less memory than the main demo tune... and we had no memory spare for adding anything on top of the bitmap - even though we had spare CPU time to do something... Razorback did a stellar job on creating the bitmap. Raistlin hadn't coded the part before the bitmap was started - and nearly had a heart attack when he realised how close the whole thing was to not fitting in memory (imagine having to tell Razorback after all his work if it wasn't going to work..)
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CSDb (Commodore 64 Scene Database) is a website which goal is to gather as much information and material about the scene around the commodore 64 computer - the worlds most popular home computer throughout time. Here you can find almost anything which was ever made for the commodore 64, and more is being added every day. As this website is scene related, you can mostly find demos, music and graphics made by the people who made the scene (the sceners), but you can also find a lot of the old classic games here. Try out the search box in the top right corner, or check out the CSDb main page for the latest additions.
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