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Codey
Registered: Oct 2005
Posts: 79 |
1541 Routines
What's the most impressive 1541 routines you've seen other than for loading? Some routines I recall are turning the led on and off in sync with the music, fading the led in and out, and bumping the head to play music from the drive (this had to contribute to many mis-aligned 1541s!) |
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Graham
Account closed
Registered: Dec 2002
Posts: 990 |
Panta Rhei
Uses the disk drive for calculations of the chessboard and the x-rotator. |
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Oswald
Registered: Apr 2002
Posts: 5017 |
here the filled vector tunel, and other filled vectors uses the drive to do the 3d math.
Digital World
the filledvector part here again uses for 3d math the drive
Altered States 50% |
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JackAsser
Registered: Jun 2002
Posts: 1989 |
The Wild Bunch
Uses the disk drive to calculate the y-stretching in the double zoom scrollers. Same technique as in the chess zoomer in Panta Rhei mentioned above. |
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Danzig
Registered: Jun 2002
Posts: 428 |
1541 is just a co-pro that can read disk :D |
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Krill
Registered: Apr 2002
Posts: 2839 |
Apart from the obvious Freespin
not mentioned so far:
The Masque
Realtime Intro
Let's make this thread about collecting demos with drive code in general, as there are so few, regardless of how impressive or even sensible the drive routines are.
So there's also +H2K (final part with credits crawl),
and the note of Deus Ex Machina (running a SID player in the drive, sending register dumps to C-64). |
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Mojzesh
Registered: Jul 2006
Posts: 12 |
My two cents:
There is also my effect Textured Vectors in ES1RA:
ES1RA
And, my “Spiral bobs” and End Part “Twisted Vectors” in Biba 2:
Biba 2 |
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Quiss
Registered: Nov 2016
Posts: 37 |
Protogeo 100% last part, by Norvax.
Uses the drive to compute the (2D) coordinates of the eight SMGF cube corners (using a 16-bit truncated sine table with 65 entries), with perspective correction.
The division routine is a little peculiar. And the gap filling and line slope math really should have been done in the drive as well. But other than that, this is one of the most impressive 3D parts of all times. |
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chatGPZ
Registered: Dec 2001
Posts: 11108 |
But the music! <3 |
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Mr.Ice
Registered: Nov 2007
Posts: 13 |
Any demes that need more than one drive to calculate stuff? |
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Copyfault
Registered: Dec 2001
Posts: 466 |
Quoting Mr.IceAny demes that need more than one drive to calculate stuff? I think there was a fractal generator released by one of the german disk mags (Input64 or Magic Disk?) that could be configured to use more than one drive, but chances are high that my mind plays tricks on me and I just dreamt this...
Either way, it's not a demo! |
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