Best demos

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By wolf_

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28-11-2022, 09:27

Possibly. But how much data fits a c64 disk?

By badsector

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28-11-2022, 09:48

I think only 170 KB per side. And it's a single sided drive so they have to flip the disk to read the other side.

By thegeps

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28-11-2022, 13:30

Can't demos use ROM formats? You can have up to 4Mb storage on ASCII16 and interrupts active to play music. And it isn't out of MSX base specs...

By santiontanon

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28-11-2022, 14:02

As for the amount of space a demo uses, I think it's more of a "it is trivial to do fancy effects if you are allowed to use unbounded space", so, I do not think demos should use that. Otherwise, people would do demos as pre-rendered videos and that's it, end of the demo scene. The spirit of building a demo is to find ways to generate cool audio-visual effects in ways that are technically impressive. Hence that usual categories with limits of 4kb or 64kb in most demo competitions. If you want to add a pre-recorded video, then the "demo-way" would be "look I managed to fit a pre-recorded video in a 16kb demo", since you'd be showing off some fancy compression technique you came up with. But just stuffing a gigantic video in a gigantic ROM/disc and playing it is outside of what I would call demoscene...

By thegeps

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28-11-2022, 14:26

What about limit a demo on a 128K or 256K megarom? A C64 disk is about 360K. The meaning of ROM usage is intended to be able to play music on vblank while streaming data as C64 demos from disk.
I agree that video streamings aren't demos at all Wink

By badsector

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28-11-2022, 16:57

@santiontanon: I completely agree.
Demo's where Intro's at first. Someone had written a crack for a game with copy protection and build a small intro to boast his/her great achievement. Intro's got bigger and more spectacular. This evolved into the Demo where the game was no longer needed.

A demo should be on a medium like a disk. Multiple disks seem excessive to me. But maybe for a music demo or one with distinct parts. (Unless it's a crack for a cartridge, that it may be on the cartridge I think ;-)
Because loading while running a demo is not really possible on MSX, I myself would like it if a demo could maybe load once before starting and maybe 2x after that. So as not to bore the viewer. If 512KB is used (incl 128kb VRAM). It should load once I think. But no judgement :-)

By JohnHassink

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28-11-2022, 17:40

badsector wrote:

Demo's where Intro's at first. Someone had written a crack for a game with copy protection and build a small intro to boast his/her great achievement. Intro's got bigger and more spectacular. This evolved into the Demo where the game was no longer needed.

That is interesting, I did not know that. But it makes a lot of sense.

By wolf_

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28-11-2022, 19:01

@John: more readable reads ready to read: https://www.msx.org/news/msx-related/en/demoscene-research-t...

By PingPong

Prophet (4088)

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28-11-2022, 21:55

i think this dvik demo of GNG on a MSX1 (TMS Vdp) is something impressive considering the limitations of the TMS VDP
https://www.youtube.com/watch?v=6m3Von0qnb4

By badsector

Rookie (27)

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29-11-2022, 09:05

Indeed! That's a very smooth scroll for a 9918. Any Idea how he did this? 9918 doesn't have an adjust register right?

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