_____________________ __________.___ ____________________ / _ \__ ___/ _ \\______ \ | / _____/\__ ___/ / /_\ \| | / /_\ \| _/ | \_____ \ | |520 / | \ |/ | \ | \ | / \ | |F/E \____|__ /____|\____|__ /____|_ /___| /_______ / |____| \/ \/ \/ \/ .-----------------------------------------------------------------. / 4K 4-BITS MEGA SCROLLER, by DYNO SILLY VENTURE 2K17 \ '-------------------------------------------------------------------' : : : Dyno proudly presents his contribution to the SillyVenture demo : : party that took place in Gdansk (Poland) on december 9th 2017 : : : : This is a Mega Scroller in just four kilobyte, using the 4-bits : : hardscroll technique created by Alien/ST Connexion. : : : : The demo works on Atari STF with 512k RAM. : : : : It also works on STE/Mega STE, using native scroll features : : (hscroll register without prefetch) at the expense of a black : : border added on the left of the screen : : : : I had inspiration for this screen watching the hidden screen by : : the Black Cats on the Vodka demo by Equinox, with its nice and : : polished font. : : : : To fit into 4kb, the demo is compressed with the amazing : : Shrinkler packer, by Blueberry/Loonies. : : : : The commented source code is attached if anyone is interested. : : : .-----------------------------------------------------------------. / CREDITS FOR THIS SCREEN \ '-------------------------------------------------------------------' : : : Code and font : DYNO : : Background pattern : SKYWALKER / Exo7 : : Music : TAO / Cream : : : .-----------------------------------------------------------------. / SPECIAL THANKS \ '-------------------------------------------------------------------' : : : I would like to send a special thanks to Alien/ST Connexion : : who did a series of articles about overscan in ST Magazine, a : : french publication (that were partially translated in Alive : : diskmag 9 & 11), and where he explained the 4-bits hardscroll : : technique in detail, in ST Magazine 55 from october 1991... : : : : This article (like the previous ones !) have been a great : : source of inspiration when coding this screen. For all these : : brilliant articles, thank you very much Alien, you have my : : eternal gratitude ! : : : .-----------------------------------------------------------------. / GREETINGS \ '-------------------------------------------------------------------' : : : ACF Design Team (Agent -T-, Jacky, Tao) : : Aenigmatica (The Mind, The Nutty Snake, Zokathra) : : Aggression (Creator, Teque, WizTom) : : Alive Team (CiH, Felice, ST Survivor) : : Atari Legend (Brume, ST Graveyard) : : Avena (Fried, Tat, Thyroxin) : : Checkpoint (Defjam, Lsl) : : D-Bug (Cyrano Jones, GGN) : : Dead Hackers Society (Evil, Gizmo) : : Delta Force (Big Alec, Chaos Inc, Flix) : : Demografica (Big Boss Man) : : Dune (Chuck, Mic, Thadoss) : : Effect (Pandafox, Tronic) : : Electra (Abel, Icarus, Kasper) : : Equinox (Keops, Starlion) : : Exo7 (Blue Murder, Goofy, Rick, Sademan, Skywalker) : : Fuzion (Orion) : : Hemoroids (Ayoros, Marco Polo, Sink, Totorman, Wieczor) : : Holocaust (Zappy) : : Legacy (Fury, Vickers) : : Level 16 (Ilja, Nod) : : MJJ Prod (Gloky, Shazz, Strider) : : Mystic Bytes (Grey, Sqward) : : Naos (Nucleus, Ric) : : NeXT (Dbug, Mit) : : NoExtra (Hylst, Zorro2) : : No Group (Mcoder) : : Omega (Haq, Liesen, The Flying Egg) : : Overlanders (Adso, Dim, Mr. Bee, Ziggy Stardust) : : Oxygene (Leonard, Mon, Niko) : : Paradize (ST Cooper, Sunnyboy) : : Paradox (Dan, Paranoid, RA) : : Pendragons (Megadeth, Terence) : : Quartermass Xperiment (Cronos, Relayer) : : Replicants (Illegal) : : Reservoir Gods (Griff, Mr. Pink) : : Sector One (Hello, Zerkman, Splash, Zoby One) : : SMFX (SPKR) : : STAX (Rockabit) : : ST Connexion (Alien, Belzebub, Vantage) : : ST Knights (Dieu, Kelly X) : : Superior (Axe) : : SYNC (BlueSTar, Redhead, Troed) : : Synergy (Rapido, Wingleader) : : The Carebears (An Cool, Jas, Nic, Tanis) : : The Exceptions (6719, Alyssa, Daryl, ES, Mad Max) : : The Giants (Corsair, Havoc, Rex) : : The Invisibles (Skaven) : : The Lost Boys (Digital Insanity, Manikin, Oxygene, Sammy Joe) : : The Respectables (Duke, Tyrem) : : TOS-Crew (Mr Ni) : : Trio (NoNameNo) : : Tscc (Insane, Lotek Style, Ray, Thorn) : : Unlimited Matricks (Chris, Gunstick, The Fate) : : WAB Group (Dr Skull, Frutbunn, Mellow Man, NewCore, SoLo) : : YM Rockerz (Dma-Sc, gwEm) : : : .-----------------------------------------------------------------. / CONTACT ADDRESS \ '-------------------------------------------------------------------' : : : If you have any comment, remark, suggestion, just contact me at : : the following address : dyno@aldabase.com : : : : Or if you want to recruit a new friendly coder to expand your : : team, do not hesitate, I am open to all offers ;-) : : : .-----------------------------------------------------------------. ______ ___ ___ ______ _______ _______ _______ _____ _______ | _ \| Y | _ \| _ | | | _ | _ | _ | |. | | 1 |. | |. | | |___| |. | |.| |___| | |. | \_ _/|. | |. | | / ___/|. | `-|. | / / |: 1 /|: | |: | |: 1 | |: 1 \|: 1 | |: | | | |::.. . / |::.| |::.| |::.. . | |::.. . |::.. . | |::.| | | `------' `---' `--- ---`-------' `-------`-------' `---' `---' December 9th 2017