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Forums > C64 Coding > COMPO: BORDERLINE 2021 COMPO
2020-12-24 22:05
Motley
Account closed

Registered: Mar 2002
Posts: 10
COMPO: BORDERLINE 2021 COMPO

COMPO: DEMOS IN BORDERS ONLY

Borderline 2021 Compo

- Stock C64 Category (NORMAL)
- REU C64 Category (REU BASED)

Competition Rules:

* All visual effects must be contained inside The BORDERS ONLY.
* MAINSCREEN can be in any, ONE color ONLY.
* REU is allowed.
* ALL REU entries will be put in a special REU BORDER Category.

May the best one win in each category.

Best seasonal greetings from
Motley/F4CG/STARZ, Qdor/FLT and Jackasser/BOOZE DESIGN
 
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2021-01-19 13:36
Krill

Registered: Apr 2002
Posts: 2844
Quoting Raistlin
"a few lines or pixels extra or less of the center area is ok"

.. this one I don't understand. Rules are rules, right? We can all save screenshots from VICE and compare our "fake border" to VICE's border, after all, can't we..? Just set the screen to 38 or 40 columns, 24 or 25 rows, take a snapshot from VICE - and recreate the exact border appearance in your demo part?
This is to address minor visual differences when "simulating" the screen+border duality, i believe.

Recreating the exact screen position can be prohibitively tricky or downright impossible.

E.g., think of raster splits to switch background colour twice a frame, which may produce grey dots. Or the fact that a write to $d016 to open the sideborder must happen exactly one cycle before the sideborder, and prevents you from writing to any colour register in that region.
2021-01-19 15:18
JackAsser

Registered: Jun 2002
Posts: 1989
Quote: Quoting Raistlin
"a few lines or pixels extra or less of the center area is ok"

.. this one I don't understand. Rules are rules, right? We can all save screenshots from VICE and compare our "fake border" to VICE's border, after all, can't we..? Just set the screen to 38 or 40 columns, 24 or 25 rows, take a snapshot from VICE - and recreate the exact border appearance in your demo part?
This is to address minor visual differences when "simulating" the screen+border duality, i believe.

Recreating the exact screen position can be prohibitively tricky or downright impossible.

E.g., think of raster splits to switch background colour twice a frame, which may produce grey dots. Or the fact that a write to $d016 to open the sideborder must happen exactly one cycle before the sideborder, and prevents you from writing to any colour register in that region.


Exactly this. I know how hard that can be and downright impossible, so better to relax that rule to get nicer entries.
2021-01-19 15:37
chatGPZ

Registered: Dec 2001
Posts: 11116
Just disqualify all entries that doesnt have the border at the exactly right pixels in the screenshot. Some ppl around here may assist you with that :)
2021-01-19 16:42
JackAsser

Registered: Jun 2002
Posts: 1989
Quote: Just disqualify all entries that doesnt have the border at the exactly right pixels in the screenshot. Some ppl around here may assist you with that :)

Hahaha! :)
2021-01-19 20:06
itch

Registered: Aug 2006
Posts: 23
Hi, i have a mini demo! .. I cant upload it because the page is locked?
2021-01-19 21:24
JackAsser

Registered: Jun 2002
Posts: 1989
Quote: Hi, i have a mini demo! .. I cant upload it because the page is locked?

You shouldn't update that page. Just create a new release, then choose this compo as release compo and it will automagically be added to the page.
2021-01-19 21:31
JackAsser

Registered: Jun 2002
Posts: 1989
Due to the big overlap in time with the sprites only compo and due the the coding difficulties in this one, we've extended the deadline one month.
2021-01-21 01:04
JackAsser

Registered: Jun 2002
Posts: 1989
Rastabah's entry is an edge case but approved. This is exacly why I relaxed the border rules.
2021-01-22 01:51
Honcho

Registered: Apr 2020
Posts: 32
Quote: Rastabah's entry is an edge case but approved. This is exacly why I relaxed the border rules.

Probably a stupid question, but Rasta Bah's entry has a mainscreen that's bang on 320x200px perfectly overlapping with the standard BASIC screen so what makes it an edge case? A mainscreen that's 312x192px (39x24) would also work I assume? I don't want to waste time on something that gets kicked out because it falls foul of rules I don't understand ;)
2021-01-22 07:58
JackAsser

Registered: Jun 2002
Posts: 1989
Quote: Probably a stupid question, but Rasta Bah's entry has a mainscreen that's bang on 320x200px perfectly overlapping with the standard BASIC screen so what makes it an edge case? A mainscreen that's 312x192px (39x24) would also work I assume? I don't want to waste time on something that gets kicked out because it falls foul of rules I don't understand ;)

39x24 is ok.
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