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Forums > CSDb Questions > When is a One-File Demo not a One-File Demo?
2013-08-11 19:00
ChristopherJam

Registered: Aug 2004
Posts: 1424
When is a One-File Demo not a One-File Demo?

So, I've finally finished a small release (title+one effect+music), except it's 250 blocks long even before I decrunch it; initial load is from $0801 to $fffe

It's all a single file, that if I send to my c64 via codenet it runs just fine standalone, but in order to make it loadable with stock 1541+c64 I'm bundling it with the Effluvium loader. (cf Packer/decruncher for under IO?)

Should I make the Release Type "C64 One-File Demo" or "C64 Demo"?
2013-08-11 19:23
Ejner

Registered: Oct 2012
Posts: 44
c64 demo imo.
2013-08-12 05:18
WVL

Registered: Mar 2002
Posts: 924
Good question..

A while ago, there was this single-load slideshow that fitted in one file that was >600 blocks long.. now, is that a singlefile demo or a demo? I'd say the latter...

As for this, I'm not sure :)
2013-08-12 06:06
Flavioweb

Registered: Nov 2011
Posts: 466
Single and stand-alone file executable that don't need a disk image (d64....) to load data?
If disk image is needed... should be named "demo"...
IMHO.
2013-08-12 06:15
ChristopherJam

Registered: Aug 2004
Posts: 1424
@Flavioweb, Well, disk image is not needed to run the thing; all the effects code, graphics and music are all in a single 250 block file that starts with "10 sys2061". It's just that the kernal load routines are too stupid to load under ROM/IO. Any decent fastload cart should be able to load it directly.

@WVL, how can a 600 block file be single load? Surely there's only room in the c64 for 258 blocks, and even that wouldn't leave room for a loader?

Anyway, I'll go with c64 demo for now I guess; corrections welcome.
2013-08-12 07:08
Bitbreaker

Registered: Oct 2002
Posts: 510
@ChristopherJam: Now stop making us wet and release this thing!!! :-)
I'd say anything that fits into memory with a single loading action is considered a onefile-demo.
2013-08-12 07:17
JackAsser

Registered: Jun 2002
Posts: 2038
Quote: @ChristopherJam: Now stop making us wet and release this thing!!! :-)
I'd say anything that fits into memory with a single loading action is considered a onefile-demo.


Agree, and if it doesn't work with standard KERNEL loader then it's a crippled one filer. If you then add a loader to it to make it work with KERNEL it will become a demo. :)
2013-08-12 07:24
The Human Code Machine

Registered: Sep 2005
Posts: 114
Did You try ALZ64 to squeeze the file into 202 blocks? If it works just make two downloadable versions. One for impatient cartridge owners and one for all the others ;)
ALZ64
2013-08-12 08:54
Oswald

Registered: Apr 2002
Posts: 5127
Quote: So, I've finally finished a small release (title+one effect+music), except it's 250 blocks long even before I decrunch it; initial load is from $0801 to $fffe

It's all a single file, that if I send to my c64 via codenet it runs just fine standalone, but in order to make it loadable with stock 1541+c64 I'm bundling it with the Effluvium loader. (cf Packer/decruncher for under IO?)

Should I make the Release Type "C64 One-File Demo" or "C64 Demo"?


so where do you decrunch to? $0000-$0800 ? :D
2013-08-12 09:28
ChristopherJam

Registered: Aug 2004
Posts: 1424
Ok, it's up. Jam Ball 2

@The Human Code Machine, it's already crunched!

Very good @Oswald. (FWIW I decrunch to $0200 to $ff6a :P)
2013-08-13 06:56
ChristopherJam

Registered: Aug 2004
Posts: 1424
My apologies The Human Code Machine, I was overly dismissive of your suggestion. For some reason I didn't think of applying ALZ64 to the released file, rather than the precrunched file.

I'd thought ALZ64 was a poor fit because it requires the input file size to be in range $0003..$F800, which prior to using my own simplistic packer Jam Balls exceeds.

However, the file I load from disk is just under the upper limit, so I just gave it a go.

It's pretty effective, but sadly not enough to make this a one filer. File size drops from 250 blocks to 230. Decrunching also takes forever!
 
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