ZXPRESS
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Info Guide #13

Diskmag (electronic magazine)

01 Apr 2021 Download

An overview of the late 90s and 2000s ZX Spectrum community, covering soft trading networks, piracy, and platform evolution. Detailed insights into the architecture of Super Mario Bros 128K, the Elite 3D engine, and extremely size-optimized micro-games. Practical articles on Z80 assembly optimization, building an OPL synthesis engine for the AY chip, and photorealistic graphics techniques. A comprehensive series on NedoOS development, hardware extensions for the Kempston joystick, and tools for beeper music.

Issue contents:

  1. Help - About the log shell
  2. Editor - From the editor
  3. Scene - ZX Spectrum in 1997: creation of the Spectrum Club (in St. Petersburg)
  4. Scene - ZX Spectrum in 1998: hacking activity regarding Black Raven
  5. Scene - ZX Spectrum in 1999: traders stopped buying software
  6. Scene - ZX Spectrum in 1999: there were no traders left in Khakassia, and there were practically none
  7. Scene - ZX Spectrum in 2000: you can quit the Spectrum with a calm heart and go to PC
  8. Scene - ZX Spectrum in 2001: Are there many Sprinter users at all?
  9. Code - studies on programming on the ZX Spectrum
  10. Code - effects of rotators and mouth zoomers
  11. Code - About tunnels and skyscrapers
  12. Code - 3D engine for Elite
  13. GFX - Photorealism: ways to convey the desaturated colors inherent in real photographs
  14. GFX - Preparing graphic resources when creating games on the ZX Spectrum
  15. Music - OPL synthesis software engine for AY (part 1)
  16. Music - OPL synthesis software engine for AY (part 2)
  17. Music - Bintracker: in search of the ideal tracker for creating beeper music
  18. Systems - NedoOS origins: The history of NedoOS goes back to the distant 90s.
  19. Systems - NedoOS origins: in 2007 Fido actually died and I switched to the Internet
  20. Systems - NedoOS origins: On October 2, 2018, the first release of the gfxed graphics editor was finally released
  21. Systems - Development with NedoOS
  22. Hard - 8-bit Kempston joystick port with 3 additional buttons
  23. Wild - Tetris in 256 bytes and snake in size 55 bytes
  24. Games - Enter Gamedev: Reinventing Text Games
  25. Games - Super Mario Bros game device from Gogin
  26. Games - Marsmare game device and self-written tools: assembler, sprite editor, map editor, IDE
  27. Games - A mixture of Twins and Tetris games
  28. Games - ULAplus glitches: several games made in AGD set the wrong ULAplus palette
  29. Mail - errata: games from the USSR
  30. Mail - Reviews on Info Guide #12
  31. Mail - Journal authors

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