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Pizza Tycoon Traffic Simulation on 25 MHz

https://sudonull.com/pizza-tycoon-traffic-simulation-on-25-mhz

Breakdown of road traffic in Pizza Tycoon: pixel by pixel, O(n²) collisions, tile rules. Efficiency for retro-DOS. Study the code and optimizations for middle/senior dev.

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.

PMK Dreaming: Assemblage Point Shift beyond the Darkness

https://sudonull.com/pmk-dreaming-assemblage-point-shift-beyond-the-darkness

Master the dreaming technique in Soviet PMKs to access super-numbers beyond VP 599. Fx2 setup, fixation in registers, bypassing the Indomitable. Instructions for seers.

Programma 101: memory and programming language

https://sudonull.com/programma-101-memory-and-programming-language

Breakdown of Olivetti Programma 101 architecture: registers, magnetostrictive memory, jump instructions. For developers — details of the language and ergonomics. Study the history.

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.

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