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23 Byte Effect   [2015]

23 Byte Effect Released by :

Release Date :
31 January 2015

Type :
C64 One-File Demo

User rating:awaiting 5 votes (1 left)   See votestatistics

Credits :
Code .... SIDWAVE of Ancients

Download :
http://csdb.dk/getinternalfile.php/135971/23 byte effect.prg (downloads: 492)

Look for downloads on external sites:

User Comment
Submitted by DKT on 3 February 2015
Graham's version:
User Comment
Submitted by Graham on 3 February 2015
Pastel color mod:

a1 LSR $D020
LSR $D020
LSR $D020
LDA #$04
STA $D020
STA $D011
BNE a1
User Comment
Submitted by SIDWAVE on 1 February 2015
i didnt expect so much fuss from this little thing. but it is a lost art in fact. it is the first you do when learning asm, and you mever use it in demos, because thats a whole other ballgame.
User Comment
Submitted by Flavioweb on 1 February 2015
@Freshness79: peace, love and 64 ;) I'm not offended if you comment my code for -splits- below =P
User Comment
Submitted by Fresh on 1 February 2015
The thread which has followed this release is SO similar to that of http://csdb.dk/release/?id=113468.
There's only one tiny difference: people involved is less prone to take offence.
@TheSkate: nice version!
User Comment
Submitted by Flavioweb on 1 February 2015
; ------------------------------------------------------------------------------
; 18 raster splits in 26 bytes
; (C) 2015 Flavioweb/Asura
; ------------------------------------------------------------------------------
    * = $032C
    .BYTE <BOOT, >BOOT                  ;autostart
    LSR $D011
    DEC $D020
    INC $D020
    DEC $D020
    INC $D020
    DEC $D020
    INC $D020
User Comment
Submitted by 4mat on 1 February 2015
Some variations on the theme https://dl.dropboxusercontent.com/u/55309946/variations.zip
User Comment
Submitted by The Phantom on 31 January 2015
You got that right! I was bored and was curious what would be created if I just messed around with some basic code stuffs.

The one I linked uses screen blanking, and is using #$ff to read in the data. I'd be even more curious if mine would look like this if I eliminate the screen blanking.

I think SIDwave and I shared the same brainwave (or it shared us).
User Comment
Submitted by Dr.j on 31 January 2015
LOL cool effect. you need to drop the music and go into coiding ;-) joking... nice screen
User Comment
Submitted by ruk on 31 January 2015
"Grey dots" kills these kind of effects if you don't choose your colors wisely, like 4mat did.
User Comment
Submitted by 4mat on 31 January 2015
Did this in 20 a while back. https://dl.dropboxusercontent.com/u/55309946/TinyDiagonal.prg
User Comment
Submitted by Peacemaker on 31 January 2015
dear The Phantom, please believe me, you were for sure not the first one with that silly idea. i bet 80% of the "good demo coders" made this "great" effect when they were either bored or out of inspiration when trying to code something ;)
User Comment
Submitted by SIDWAVE on 31 January 2015
stuf flike this is just achieved by making 1 color change, then add another and see what happens.

what makes this work is:
lda #4
sta d020
sta d011
User Comment
Submitted by The Phantom on 31 January 2015
SIDwave... I'm curious how you came about this effect...

I guess I could download it and compare it with mine, but what fun is that?

I like your effect though. Opposite of mine AND full screen. Of course, in mine, I disable the screen, probably why yours is bigger (hehehe - I won't like what follows, I'm sure).
User Comment
Submitted by Skate on 31 January 2015
Nice little routine.

It's 40 bytes as a PRG file. Similar effect can be achieved <23 bytes including loading address and everything.

Same effect with different color scheme in 20 bytes.

	!cpu 6510
	!to "20bytes.prg",cbm

	* = $007e
	sty $d011
-	lax $07
	sta $d020
	isc (*-2-$22,x)
	isc (*-4-$22,x)
	sta $d020-$22,x
	bne -
User Comment
Submitted by The Phantom on 31 January 2015

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