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Forums > CSDb Entries > Event id #2889 : Intro Creation Competition 2019
2019-11-04 17:55
Didi

Registered: Nov 2011
Posts: 356
Event id #2889 : Intro Creation Competition 2019

Preface: Please use this thread for questions, discussion and everything else concerning this competition.


Many people were asking about the competition being held this year. It turned out to be a good place to have it after the big X party each second year. But why not give it a try in between?

This time I decided to add a second category to the well known rules: 4kB intro! It is different to the 4kB intro category you know from demo parties. There the executable file has the limit of 4096 bytes and may allocate as much as you like during runtime. Rules here only allow to use 4kB overall for a different challenge. Please check the rules for more details. Result will show if that was a good idea.

Here you go...


Competition runs from November 4th, 2019, until January 5th, 2020. So you have a full 2 months to deliver your creations. This should be enough for an intro.

RULES for both categories:

Your intro entry...
- has to work on a plain stock C64 (PAL standard) without any extensions.
- has to be a one-part intro. Short fade-ins and fade-outs are OK.
- has to contain at least one Logo at whatever size you like.
- has to contain a changing or moving text message (e.g. scrolling text, different lines fading in & out, etc.)
- has to be interruptable any time by pressing SPACE-key (exception are short fade-in and fade-out).
- does not need to have exclusive graphics, charsets or music. But the code should be exclusive, so reuse of existing code with just exchanged graphics and music is not allowed.
- has not been publicly used before entering the competition.
- has to be handed in as executable format startable with RUN (.prg or embedded in .t64 or .d64).

Your 16kB intro...
- has a maximum RAM footprint of $4000 bytes at one block, at whatever location you like. Screen RAM counts as used memory. Exclusions are system addresses like VIC (inkl. Color RAM), SID, CIA, Stack, Zero-page, IRQ vectors. This means RAM besides chosen $4000 bytes area and exceptions has to be the same before and after running the intro. What happens during runtime is up to you.
- has to contain music (not just a humming sound, please).
- is linked to this competition as "C64 Demo" entry (sorry, no other fitting entry exists).

Your 4kB intro...
- has a maximum RAM footprint of $1000 bytes at one block, at whatever location you like. Screen RAM counts as used memory. Exclusions are system addresses like VIC (inkl. Color RAM), SID, CIA, Stack, Zero-page, IRQ vectors. This means RAM besides chosen $1000 bytes area and exceptions has to be the same before and after running the intro. What happens during runtime is up to you.
- does not have to contain any sound, but feel free to add some.
- is linked to this competition as "C64 4k Intro" entry.

You are allowed to enter maximum 3 entries per participant and category, so you are can enter 6 entries at best. Entries might be taken back from the compo until deadline. That means if you want to remove one of your works from the compo to make space for another entry from you, this can be done until deadline.
Deadline for entry submission is Sunday January 5th, 2020 at 23:59:59 (11:59:59 pm) CET.
Voting closes at Sunday January 12th, 2020 at 23:59:59 (11:59:59 pm) CET.
Voting platform is CSDb (with all disadvantages it may have), therefore entries have to be posted here.
Entries will be ranked by weighted average of CSDb votes. Entries with the same weighted average are ranked by their percentages of 10s, 9s, etc.

No prices to win, just the fame. May the best creation win!
 
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2019-11-14 15:28
TheRyk

Registered: Mar 2009
Posts: 641
OK, so this is clear.

Just BTW about "disturbing" BASIC/KERNAL: Tape Buffer till end of page $03 is rather safe, but AFAIR stuff before(!) $0334 contains vectors and other BASIC/KERNAL stuff that would result in trouble unless you restore them which might even be done via JSRing ROM $KERNAL routine (if these still work in spite of your modifications, that is, hehe)
2019-11-14 20:06
Compyx

Registered: Jan 2005
Posts: 470
I interpret the rules as: a slab of 4KB/16KB contiguous memory containing all code, gfx, music. And any memory outside of that being memory you cannot do without and don't have to restore, ie zp, stack, IO, colorram, IRQ vectors.

This would exclude $0200-$03ff unless your 4KB intro is using $0200-$11ff, or $0200-$41ff for a 16KB intro.

Last intro compo I had to fix my code since I used $0800-$47ff but used $0340-$03ff for sprites.
2019-11-18 00:10
0xDB

Registered: Aug 2015
Posts: 23
Alright, thx! for clarification.

Working on a 4kB intro. Yay, juggling bytes is fun!
2019-11-18 19:17
Didi

Registered: Nov 2011
Posts: 356
Quote:
User Comment by Dr.Science on 18 November 2019
(...) seems like the 4k intro compo is where to get the smallest tune ;-)
Well, that was not the intention but the compo is what you make of it.
2019-11-18 19:26
Hawk

Registered: Sep 2015
Posts: 17
Yes, find the smallest music, I have found enough but they are not at the address where I would like them, who I move them to the right address to use them in the 4kb intro and delete after space again from the memory that is okay? So if I understood correctly everything I read, it should be fine .....
2019-11-18 19:45
Dr.Science

Registered: Oct 2011
Posts: 30
@Hawk: you should try sidreloc.
2019-11-18 20:03
Hawk

Registered: Sep 2015
Posts: 17
@Dr.Science good idea!!! Will try !!
2019-11-18 21:26
TheRyk

Registered: Mar 2009
Posts: 641
true art is hacking an intro INTO A 4K tune ^^
^^ I'm also just hacking some bytes off from some tunes in order to make them fit. If iAN knew what I'm doing, his monocle would fall into his Martini again. However, I guess with or without hacking some 50-60% of my first 4K entry for this compo will consist of music.
2019-11-18 21:55
Dr.Science

Registered: Oct 2011
Posts: 30
@TheRyk: yes baby! :-)
@Didi: that was just a bit of subtle irony :-) And who knows, some new tiny SIDs might appear together with some great intros in the compo? Would be nice!
2019-11-19 15:24
Perplex

Registered: Feb 2009
Posts: 224
A list of tunes in HVSC #71 less than 1KB in size (including PSID/RSID header): https://gist.github.com/lhz/145125a0f07e89fe48e3f42f7d44040c
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