Color photo printing on ZX-Spectrum: how it works https://sudonull.com/color-photo-printing-on-zx-spectrum-how-it-works
How a photographer-programmer used ZX-Spectrum for additive color photo printing. Technical details of the system, software implementation, and limitations. Learn how a DIY solution replaced professional equipment.
ZX Spectrum controls lunar landing in KSP https://sudonull.com/zx-spectrum-controls-lunar-landing-in-ksp
Learn how ZX Spectrum with Z80A and kRPC implemented landing in Kerbal Space Program. Technical details of emulation, RS232 and comparison with AGC. For developers.
Nvidia CPO Switch: Mass Production of Spectrum-X and Supply Chain Revolution https://sudonull.com/nvidia-cpo-switch-mass-production-of-spectrum-x-and-supply-chain-revolution
Analysis of mass production of Nvidia Spectrum-X CPO switches: why it kills the optical modules market, who wins and loses, hidden consequences for the supply chain.
Tatung Einstein: Retrospective of the 8-bit Workstation https://sudonull.com/tatung-einstein-retrospective-of-the-8-bit-workstation
How Tatung Einstein was used for developing games on Spectrum and Commodore 64. Technical specifications, role of the Tatung Pipe interface, and legacy. Detailed analysis.
Cold stars as Dyson swarms on H-R https://sudonull.com/cold-stars-as-dyson-swarms-on-h-r
Learn how Dyson swarms around red and white dwarfs look on the H-R diagram: T=50K, pure IR spectrum. Candidates from WISE and JWST for SETI. Read the analysis.