32byte Megademo by SquoQuo [web]
screenshot added by Hopper/SquoQuo on 2012-10-01 08:37:51
platform :
type :
release date : september 2012
release party : Function 2012
compo : pc 256b
ranked : 4th
  • 23
  • 3
  • 0
popularity : 56%
  • 0.88
alltime top: #6799
added on the 2012-10-01 08:37:51 by Hopper/SquoQuo Hopper/SquoQuo

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rulez added on the 2012-10-01 08:44:49 by nitro2 nitro2
Out 32 byte Atari contribution to the 256 byte PC compo. Code is loosely based on Wallflower XL by JAC!.
Complete sourecode:
Code: org $4000 sei ;disable all interrupts loop lda RTCLOK+2 ;generate a moving, varying number pattern based on system clock and rasterline ora VCOUNT adc RTCLOK+1 sta $d009,y ;don't use all GTIA registers (found by trial&error) bmi jumper ;every 128 frames do some more glitchy stuff and #$79 ;the other 128 frames mask out some bits to get more stable graphics/sounds tay ;and save it as new index jumper sta $d200,y ;trigger some sound stuff bpl weiter ;if we've taken the second 128 frames above, just continue to the end and #$77 ;otherwise mask out another set of bits and use as index for next frame tay weiter bpl loop ;since all values are garantueed to be positive now, just loop

The intro runs about 21 minutes before looping, so have fun ;-)
rulez added on the 2012-10-01 09:12:27 by Raven^NCE Raven^NCE
rulez added on the 2012-10-01 11:01:33 by -SP- -SP-
so much happening with so little bytes.
rulez added on the 2012-10-01 11:12:10 by wysiwtf wysiwtf
Glitchy! \o/
rulez added on the 2012-10-01 11:26:01 by Widdy Widdy
rulez added on the 2012-10-01 11:47:38 by Feryx Feryx
Meh! :D
rulez added on the 2012-10-01 12:15:39 by mudlord mudlord
rulez added on the 2012-10-01 17:45:49 by Optimus Optimus
Mind = blown :)
rulez added on the 2012-10-01 19:08:43 by argasek argasek
Lovely! <3
rulez added on the 2012-10-01 19:37:09 by closed closed
rulez added on the 2012-10-03 16:16:45 by emkay emkay
Amazing! And it has enjoyed long minutes of showing on the screen with standing ovation and rhythmic claps! I'd have expected more points.
rulez added on the 2012-10-03 23:40:40 by bkil bkil
cool stuff. even better than wallflower :D
rulez added on the 2012-10-04 11:20:10 by v3nom v3nom
and it's the ultimate flicker test for the tv :D
added on the 2012-10-04 11:20:57 by v3nom v3nom
Neat hack!
added on the 2012-10-11 18:32:09 by cxw cxw
WILD for such a tiny prod and platform.
rulez added on the 2012-10-11 20:45:10 by p01 p01
Great show, seems like xl has a glichlib in hardware :)
rulez added on the 2012-10-15 23:17:29 by fiveofive fiveofive
rulez added on the 2012-10-19 23:07:40 by BackSpace BackSpace
Very impressive, what is possible with that small code! Just WOW!
rulez added on the 2012-11-21 19:30:29 by pps pps
haha, awesome!
rulez added on the 2012-12-11 15:46:27 by toxie toxie
rulez added on the 2013-01-05 23:03:59 by T$ T$
32byte glitchtrodemo8)
rulez added on the 2014-03-12 09:26:12 by g0blinish g0blinish
rulez added on the 2015-08-02 22:17:13 by miker miker
Atari 8bit glitch
need more!
rulez added on the 2021-03-14 13:54:52 by Blast! Blast!

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