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20 posts
How a libretro core uses the environment callback for capabilities, paths, options, logging, rendering, and graceful fallback across many frontends.
How MAME INP recordings capture emulated inputs, why machine state can desynchronize playback, and how to preserve a verifiable test or score run.
A source-level look at ScummVM engine detection tables, fingerprints, fallback detectors, target IDs, and the right way to report an unknown legitimate release.
Why Dolphin's specialized shaders can stutter, how universal shaders cover GameCube and Wii GPU state, and why hybrid mode balances latency and speed.
An engineering view of emulator audio clocks, sample generation, resampling, buffer control, drift, latency, time-stretching, and deterministic testing.
A hardware-grounded guide to cartridge address decoding, PRG and graphics banks, mapper registers, mirroring, IRQs, save memory, and emulator tests.
How scanline sprite evaluation, object limits, priority, overflow quirks, flicker strategies, and emulator options shape authentic retro-console graphics.
A technical comparison of CPU interpreters and dynamic recompilers, including dispatch cost, translation blocks, timing, exceptions, and cache invalidation.
Why cycle-accurate emulation requires synchronized clocks, bus behavior, interrupts, video timing, hardware tests, and careful performance trade-offs.
A practical boundary between emulation and hardware-assisted virtualization, including CPU execution, devices, memory, timing, and hybrid systems.
Resolve missing or invalid emulator firmware by checking core requirements, configured paths, exact names, hashes, permissions, and lawful dumps.
Why Dolphin's planned 2023 Steam release stopped after Valve consulted Nintendo, what the DMCA dispute did not decide, and how platforms govern access.
MAME 0.162 integrated MESS in May 2015, placing arcade, computer, console, calculator, and other machine drivers in one preservation framework.
Nintendo Switch Online launched in 2018 with 20 licensed NES games, suspend points, online play, and a subscription-dependent access model.
Nintendo's 2024 case against Yuzu ended in a $2.4 million judgment and permanent injunction, without a contested trial on broader emulation law.
How emulators serialize CPU, memory, devices, clocks, and pending events-and why completeness, determinism, versioning, and validation matter.
Set up 86Box, PCjs, or MartyPC to recreate the 5150's real hardware - 8088 at 4.77 MHz, floppy-only boot, PC DOS - and feel the 1981 constraints.
Run Navigator or Mosaic via oldweb.today, a period VM, or archive.org emulation - and pair them with Wayback captures for the real 1990s experience.
How the Ninth Circuit treated intermediate BIOS copying in Sony v. Connectix, what the ruling protected, and which questions it did not settle.
How MAME, DOSBox, libretro, reverse engineering, hardware research, and archival practice turned emulation into a preservation discipline.