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Forums > C64 Coding > COMPO: ECM Demoeffect Comp
2020-10-12 15:30
Street Tuff

Registered: Feb 2002
Posts: 88
COMPO: ECM Demoeffect Comp

ECM Mode Demoeffect Competition

*** ECM Mode Demoeffect Competition ***

Competition Rules:

* The Effect must be a one-screener
* For ECM Mode only one Charset with 64 Chars is allowed
* The 64 Char Font is not allowed to be altered at runtime
* Play with your imagination. Maybe use the Petscii font in ECM mode
* Variations of the effect are allowed but it must be the same effect(code)
* Alteration or switching of the font on a per-line basis is not allowed ((linecrunching / etc.) set $d011/d016/d018/vic-bank only in init))
 
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2020-11-01 18:15
chatGPZ

Registered: Dec 2001
Posts: 11116
I'd prefer stricter rules for that matter - ie focus on pure ECM effect :) IMHO thats the real challenge... hiding the ugly blocks, without putting random sprite eyecatchers on the screen that do that.
2020-11-01 18:29
Street Tuff

Registered: Feb 2002
Posts: 88
@Groepaz Make a demo about it.
2020-11-01 19:00
Krill

Registered: Apr 2002
Posts: 2844
Quoting Groepaz
IMHO thats the real challenge... hiding the ugly blocks, without putting random sprite eyecatchers on the screen that do that.
I think ECM's super-power is giving you hires resolution with near hires-bitmap amount of colours while allowing for all the benefits of the char-mode tiling hardware acceleration (except only 64, not 256 tiles).

Doesn't need to be blocky at all (shouldn't, anyways, but it should be colourful) is what i'm saying. =)
2020-11-01 19:59
Dane
Account closed

Registered: May 2002
Posts: 421
Quote: anyway the basic idea is good, as ecm is almost never used for anything.

Hey I used it in 2 demos now. :D
2020-11-01 20:31
chatGPZ

Registered: Dec 2001
Posts: 11116
It's not really true either, it has been used often enough - you just dont see it =)
2020-11-01 20:35
Krill

Registered: Apr 2002
Posts: 2844
Quoting Groepaz
It's not really true either, it has been used often enough - you just dont see it =)
Comes in handy in certain hires FPP routines, can double the amount of available scanline bitmaps to choose from via toggling ECM on/off. :)
2020-11-01 20:42
JackAsser

Registered: Jun 2002
Posts: 1989
Quote: Quoting Groepaz
It's not really true either, it has been used often enough - you just dont see it =)
Comes in handy in certain hires FPP routines, can double the amount of available scanline bitmaps to choose from via toggling ECM on/off. :)


Remember how you taught me that trick back in the day. Used in my FPP over chessboard in Panta Rhei. :D
2020-11-01 21:38
Oswald

Registered: Apr 2002
Posts: 5017
Quote: Quoting Groepaz
It's not really true either, it has been used often enough - you just dont see it =)
Comes in handy in certain hires FPP routines, can double the amount of available scanline bitmaps to choose from via toggling ECM on/off. :)


gaahhh you only teach this shit to Jacky ? I didnt know this :D
2020-11-01 23:22
chatGPZ

Registered: Dec 2001
Posts: 11116
Oh come on =D Whats next? Idle byte? =D
2020-11-02 03:47
Cruzer

Registered: Dec 2001
Posts: 1048
Quoting Krill
But then that's what you get for inventing entirely arbitrary restrictions on top of given machine restrictions.
Idea for a new meta compo: Come up with the most arbitrary restrictions for a compo.
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