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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 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: 11116
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.
2020-11-01 15:50
Rastah Bar

Registered: Oct 2012
Posts: 336
I see your point, but I'm not so afraid of that. Most participants will still give a lot of attention to the ECM.
2020-11-01 15:57
Krill

Registered: Apr 2002
Posts: 2844
Quoting Oswald
so why is it a problem if someone invents a nice effect which utilise both ecm and sprites ? I'm waiting :)
Imho, it does not mix well with the very restrictive ECM rules.

On the one hand, plain ECM frame buffer with one fixed charset and no mid-frame register manipulation, then on top of that a wall of sprites with full interrupt/raster trickery. :)

Quoting Rastah Bar
Why release a fantastic new sprite scroller or DYCP or whatever in an ECM comp? Better to save it for a regular comp.
Indeed, plus ECM can shine a lot more with all tricks allowed.
2020-11-01 15:59
Mixer

Registered: Apr 2008
Posts: 422
Looking forward to Krill and Groepaz joining the competition. \o/
2020-11-01 16:02
Rastah Bar

Registered: Oct 2012
Posts: 336
Quoting Krill
Imho, it does not mix well with the very restrictive ECM rules.


Quoting Rastah Bar
Why release a fantastic new sprite scroller or DYCP or whatever in an ECM comp? Better to save it for a regular comp.
Indeed, plus ECM can shine a lot more with all tricks allowed.


I was editing my post because I wanted to say more or less that.
2020-11-01 16:05
Krill

Registered: Apr 2002
Posts: 2844
Quoting Mixer
Looking forward to Krill and Groepaz joining the competition. \o/
Not sure if ironic, but yeah, i do have an idea, and the sprites are optional and just decoration (as in some current entries).

"Just" need to finish and release this other thing i've been working on since about March. :)
2020-11-01 17:48
Oswald

Registered: Apr 2002
Posts: 5017
well, then make another ecm compo in a year and make the only rule that d011 must be at all times in ECM mode :)
2020-11-01 17:52
Oswald

Registered: Apr 2002
Posts: 5017
anyway the basic idea is good, as ecm is almost never used for anything.
2020-11-01 18:04
TheRyk

Registered: Mar 2009
Posts: 2071
If I had not made myself crystal clear yet, the rules ain't my cup of tea either and what I achieved so far might not be worth being released in this tough compo (unless maybe to spare anyone else the shame of last place).

But what Oswald sez, any rules whiner can launch another ECM compo with less strickt rules as soon as this one's over. Only rule "d011 all the time ECM" , I would really like that. However, at least it made some dozen lazy coders f**k around with ECM, some of whom might have never bothered doing so otherwise, speaking for myself, so thanks Tuffi for this educational compo :)
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