retrocomputing

Casey Muratori captures CygnusEd Professional running on an Amiga 2000, showing how smoothly it scrolled text. He notes the real effect is better on a period CRT.

A short clip from the April 1984 Apple IIc rollout presentation at the Moscone Center, uploaded by Alfred DiBlasi. It argues the Apple II line funded the Macintosh's early years.

Elevated by Rgba and TBC, the winner of the 4k intro compo at Breakpoint 2009. It is a realtime procedurally generated 3D flythrough with music, all in a 4096-byte executable.

A Commodore 64 demo by Linus Akesson that fits video and music into 256 bytes, winning the Oldskool 4K Intro compo at Revision 2017. A technical write-up accompanies it.

Elevated is a 4 kilobyte PC demo by RGBA and TBC from Breakpoint 2009. It fly-throughs a realistic procedurally generated landscape with synthesized music and post-processing, all from a tiny executable.

The first video in Photon of Scoopex's Amiga hardware programming series. It shows how to set up an assembler and write a minimal 68000 program that waits for a left mouse click.

Memories is a 256-byte MS-DOS demo that packs eight effects and MIDI soundscapes into a tiny program. It won first place at Revision 2020.

Intrinsic Gravity is a real-time demoscene production by Still, made with the Tooll tool for Under Construction 2014. It is a black-and-white op-art animation with a soundtrack by hoffman.

A recording from real hardware of Tim Follin's multichannel 1-bit music for Agent X on the ZX Spectrum. It shows several voices coaxed out of the single-bit beeper.

Hartverdrahtet by Akronyme Analogiker, the winning PC 4k intro at Revision 2012. It is a realtime demo with music and fractal visuals in 4096 bytes.

A one-minute capture of Tim Clarke's 1993 'Mars' DOS demo, a roughly 5 KB program that renders a navigable terrain landscape in real time.

A short screen recording of the flight simulator Easter egg hidden in Excel 97, with the steps to trigger it. The uploader notes the mouse controls are hard to handle.

Robotic Liberation by PWP is a music video demo performed entirely by an unexpanded Commodore VIC-20 and a 1541 disk drive, using only a few kilobytes of RAM and a 16 KB disk. It uses demoscene effects to tell a story.

James Houston's entry to Radiohead's Nude remix contest, performing the 6/8, 63bpm song on obsolete hardware such as hard drives, a dot matrix printer, a scanner and a ZX Spectrum.

The original Amiga Boing Ball demo, written at the Winter CES in January 1984 to show off the Amiga's hardware, with a bouncing, spinning checkered ball running while the system multitasked. It became the Amiga's unofficial emblem.

A 256-byte MS-DOS intro that renders a raymarched, procedural 3D animation. It won the 256-byte competition at Riverwash 2009 and the scene.org award for best technical achievement that year, and the author published commented x86 assembly source.

A three-minute capture of SORTDEMO.BAS, the sorting visualization that shipped with QBasic. It animates insertion, bubble, heap, exchange, shell and quick sort with chiptune-like sound.

Spaceballs' 9 Fingers, an Amiga demoscene demo released at The Party in 1993, recaptured here in 50fps HD. It is the follow-up to their demo State of the Art.

A one-minute demo comparing RetroArch shaders on the Sonic the Hedgehog waterfall, where Sega Genesis dithering creates a transparency effect. It shows how different shaders emulate the CRT look.

The Secret of Monkey Island intro theme played through the internal PC speaker. It is a tribute to LucasArts.

A brief clip of a Nook Simple Touch e-ink reader running PlayStation 1 games through an emulator with a hacked fast refresh rate.

A one-minute demo at the Computer History Museum's IBM 1401 restoration lab, where a program makes the machine's radio-frequency interference play tunes on an AM radio.

The original 2009 Touhou Bad Apple!! PV, a monochrome shadow-art animation set to music from the Touhou series. It became the source of countless Bad Apple demos on other hardware.

A short 2007 demo of Pizza Party, a command line program that orders Domino's pizza from a UNIX-like terminal. The video shows the designers placing an order using the software.

A short video of someone playing Doom on a TI-83+ graphing calculator, with a link to the version used.

A short Conan segment in which George R. R. Martin explains that he writes his Game of Thrones books on WordStar 4.0 on a DOS machine.

The Floppotron plays a cover of Eurythmics' Sweet Dreams using an orchestra of old computer hardware such as floppy drives, hard drives and scanners, driven by microcontrollers. It is a short music performance rather than an explanation.

A one-minute clip of the Warcraft II sound card test in setup, where the test sample plays and the voice says the sound card works perfectly.

A short video of Venetian Snares' track 'Vache' with the Renoise tracker sequencer data scrolling past, uploaded by the artist in 2006 as a demo of the software.

A short screen capture of SGI's File System Navigator (FSN, also called Fusion) running on IRIX 6.5 on an Octane. It shows the 3D file browser seen in Jurassic Park.