The fourth issue of Aspect newspaper introduces its dedicated BBS alongside the official charter of the SPbZXNet network, establishing key rules for the St. Petersburg ZX Spectrum community. Hardware enthusiasts receive a simple RC filter schematic designed to reduce phone line noise and improve modem stability. A dedicated programming article details fast sprite rendering techniques to a virtual screen using LDIR and POP/PUSH instructions. Additionally, the issue explores the rise of IBM PC and Apple platforms during the 1980s and features an up-to-date St. Petersburg Vicomm-compatible BBS list.
Issue contents:
- BBS-List - List Vicomm-compatible BBS.
- History of the PC - The Origin of PCs.
- From the authors - newspapers have had their own BBS.
- Letter - Reviews the readers of the newspaper.
- Programming - Displays a sprite on the screen. Conclusion on the virtual screen.
- Advertising - Advertising and announcements.
- DIY - RC-filter for noise reduction telephone line.
- Network News - Charter Network SPbZXNet.
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