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Tjoppen information 629 glöps

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• demo invitation Windows My Buenzli - The Demodays 2011 Invitation
• How come I haven't thumbed this up yet? There we go.
• rulezadded on the 2011-12-02 10:22:10
• demo Windows DUBrovnik by Gammel Opland Af 1891 [web]
• Not a big fan of the music. As for visuals, the voxelization is neat and the lightballs work quite well.
  However, the balls shouldn't have been dropped from still - that looked kind of off. That scene was also a bit glitchy, which didn't look done on purpose. Maybe my compy is to blame though.
  So slightly piggy, but new ideas and motivational thumb (three prods first time? neat)
• rulezadded on the 2011-11-29 22:27:21
• demo Amiga AGA You are Lucy by Spaceballs [web]
• Messes around with bitmap data in neat ways. A bit strange, but I liked it anyway.
• rulezadded on the 2011-11-29 22:13:07
• demo Windows cortex sous-vide by Excess [web]
• At first I was going to say it's a bit short, but then I realized it's actually three minutes. In other words, well done. The neuron scene and the tunnel with synced lights were particularly nice. I liked the music too, strangely.
• rulezadded on the 2011-11-29 22:03:41
• 4k Windows Wishful Seedling by Fnuque [web] & Loonies [web]
• Music was sweet and the transition from the rubber squid/fishing lure thing to the light ball was pretty neat. The ending was meh.
• rulezadded on the 2011-11-29 08:10:05
• 64b MS-Dos shaker by fsqrt [web]
• Nice. Works fine in DOSBox if windowed but not in fullscreen, so file a bug report to them I think.
• rulezadded on the 2011-11-28 08:16:01
• demo MS-Dos Windows Genocyd by Genital Male-Function [web]
• Hey, this is pretty good. I didn't quite bother following the "story". The 3D looks fairly impressive for 1997 Maybe the music could be a bit better? That's all I can think of.
• rulezadded on the 2011-11-26 02:19:47
• demo Atari VCS Minute and a Bit by Tjoppen
• Nitro/Black Sun: What framebuffer? This is the VCS - everything must be done on a line-by-line basis :)
  
  cruzer: Yeah, that was actually the idea. I'm looking forward to more prods :>
  
  I'll post the summary of how the effects work I posted at AtariAge here as well:
  
  Text scroller: Just a frame buffer drawn using an asymmetric playfield
  Twister: Mostly tables and clever use of the priority flag in CTRLPF. HMxx values are computed on the fly
  Rotozoomer: A one-line buffer (two bytes, GRP0/GRP1) computed on the fly, x and y coords accumulate dx and dy respectively and are compared. The carries are ROLed in to form each pixel. Optimization could have allowed 24 horizontal pixels I think
  Plasma: In each line, look up leftmost pixel in table and stick in COLUBK, then do 10x ADC #Imm + STA COLUBK, where the #Imms are modified during VBLANK (self-modifying code). Stagger and interlace for 22 horizontal samples
  Pinwheel: 768 bytes of bitmap data form eight frames of one quadrant of the shape, mirrored horizontally and vertically (sort of). The few cycles left over were enough for the greet graphics
• isokadded on the 2011-11-25 11:00:20
• 4k intro Atari VCS SillyFiller by Noice [web]
• The music is great and makes good use of phasing (playing the same note on both channels). The effects are OK. Thumb up overall.
• rulezadded on the 2011-11-23 14:59:39
• demo Wild NEC TurboGrafx/PC Engine Le petit chat n'est pas mort by Punkfloyd [web]
• TurboGrafx this time? The platforms keep getting more and more obscure :)
• rulezadded on the 2011-11-23 13:11:09