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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 14:11
ChristopherJam

Registered: Aug 2004
Posts: 1380
Quoting Street Tuff
Nothing has changed. The rules did not state -anything- about sprites.


Yup, got that now. rummages for some sprites
2020-11-01 14:17
Krill

Registered: Apr 2002
Posts: 2850
If a wall of sprites for enhancing ECM display is allowed, that changes everything indeed.

So far i thought it is all meant as rendering on a plain ECM frame buffer, nothing else, fixed charset, no raster tricks. (Changing smooth scroll registers per frame seems maybe allowed, maybe not.)
2020-11-01 14:33
Street Tuff

Registered: Feb 2002
Posts: 88
actually it IS all about an ECM effect rendered to the framebuffer. if the coder decides to add sprites that is OK for me. IF there is a wall of sprites it is YOU in the end who votes for the entries...
2020-11-01 14:37
Street Tuff

Registered: Feb 2002
Posts: 88
Note to myself: if i ever hold some kind of ECM compo again there will be well defined rules. the idea for this compo was just some weird idea which i did not think through as it seems.
2020-11-01 14:41
Krill

Registered: Apr 2002
Posts: 2850
Yes, CSDb compo rules need to be defined very precisely, as history has shown time and again. :)

(But then that's what you get for inventing entirely arbitrary restrictions on top of given machine restrictions.)
2020-11-01 14:53
Oswald

Registered: Apr 2002
Posts: 5022
so why is it a problem if someone invents a nice effect which utilise both ecm and sprites ? I'm waiting :)
2020-11-01 15:00
chatGPZ

Registered: Dec 2001
Posts: 11129
It's no problem - it's just totally different
2020-11-01 15:25
Rastah Bar

Registered: Oct 2012
Posts: 336
Quote: Yes, CSDb compo rules need to be defined very precisely, as history has shown time and again. :)

(But then that's what you get for inventing entirely arbitrary restrictions on top of given machine restrictions.)


Or very unprecisely: do whatever you want, but use ECM.
2020-11-01 15:29
Mixer

Registered: Apr 2008
Posts: 422
Sprite-background priority behavior makes some interesting layerings possible in ECM. Looking forward to it.
2020-11-01 15:34
chatGPZ

Registered: Dec 2001
Posts: 11129
Quote: Or very unprecisely: do whatever you want, but use ECM.

Thing is, there were *some* very specific rules - which basically make no sence in combination with "use sprites, do whatever you want with them" (i can switch $d025/$d026 every line, right?). Like someone else already said, the compo is kindof loosing its focus like this.
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