Airspeeder

Airspeeder is a 1986 ZX Spectrum release credited to Friedrich Zohmann. No publisher is listed, which is typical of titles from German-speaking countries, where much Spectrum software appeared as a magazine tape supplement or in very small cassette runs.

By 1986 the Spectrum was a mature platform. Z80 assemblers were widely available, so games were written in machine code and ran quickly, and the 128K models opened the door to proper music. Designers still had to work around the machine's colour system, which stores attributes per eight-by-eight block, so the usual answers were monochrome graphics or scenes built from large flat colour areas.

The name suggests flight, but the catalogue records no genre, no perspective and no player count. What can be said honestly stops at the platform: one program on one cassette, controlled from the keyboard or from a joystick through a Kempston interface.

Small releases by individual authors make up a large share of surviving Spectrum software. Archiving matters most for exactly these, because nobody else documented them at the time.

The Spectrum's screen layout is worth a mention. Lines are not stored consecutively but interleaved across thirds of the display, so drawing required address recalculation and programmers precomputed lookup tables for speed. This quirk is why so many Spectrum games scroll in whole character steps rather than pixels, and why smooth scrolling is rare on the platform.

An emulator built into this OldGame.cz page lets you start the game without downloading anything.