emulator

GitHub – Antirez/c64-Hw-Simulator: Commodore 64 Hardware Simulator

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The c64-hw-simulator is a detailed pin-level hardware simulator of the Commodore 64 motherboard (ASSY 250407), allowing users to manipulate individual chip pins, pull chips from sockets, or open circuit elements to observe the resulting effects on the system’s behavior, including video output and signals. It models the board’s netlist and chip pin behaviors, integrating cycle-accurate cores for key chips and simulating electrical phenomena like drive strengths, floating nets with drift and noise, and power faults, enabling fault analysis and learning without risking real hardware damage. While comprehensive, the simulator runs slower than real time and does not simulate internal chip faults or analog components like the video output and power supply.

https://github.com/antirez/c64-hw-simulator

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Demoscene-Recomp

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Demoscene-recomp recreates classic PC demoscene productions from the early 1990s by recompiling their original DOS code to WebAssembly, enabling them to run in modern browsers with accurate hardware emulation. The project records executed CPU instructions of demos like Future Crew’s Unreal and Second Reality, Triton’s Crystal Dream II, and NoooN’s Stars: Wonders of the World, then recompiles them with precise timing and hardware models, preserving the original experience. Visitors can experience these historically significant demos smoothly, as they originally ran on VGA at 70 Hz, without any tracking or modification to the original release files.

https://treylorswift.github.io/demoscene-recomp/web/

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Apple Copland D11E4 Booting in Your Browser

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An improved DingusPPC emulator now runs Apple’s unreleased Copland operating system build D11E4 from June 1996 directly in the browser, overcoming prior difficulties in running Copland on real hardware or emulators. The project includes necessary patches for booting Copland and supports interactive features like a debugger and sample applications, offering a rare opportunity to explore this historic Mac OS prototype in a modern emulation environment.

https://www.pagetable.com/300

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MIKESOFT WINDOWS 96

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The article presents a brief overview of Windows 96, highlighting build 13751 as its version. It showcases the system’s interface featuring standard elements like Computer, Documents, Recycle Bin, and various folders such as Docs, Doordisc, and Gameing, alongside utilities like Package Manager, Report Bug, Settings, and Terminal. The content implies a retro-inspired operating system environment with core functionalities typical of classic Windows versions.

https://windows96.net/

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Windows 98 Disk Defrag Simulator

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Defrag98 is a free, browser-based simulator that recreates the classic Windows 98 Disk Defragmenter experience, complete with authentic visuals and period hard-drive sound effects. Users can select from virtual drives of various sizes and speeds to watch simulated disk clusters rearrange in real time, capturing the nostalgia of 1990s PC maintenance tools. The simulator runs offline as a web app and does not interact with actual device files, serving purely as a retro computing tribute.

https://defrag98.com/

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PCjs Machines

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PCjs is a JavaScript-based project that emulates a variety of vintage computing hardware and software from the 1970s through the 1990s, including original IBM PCs, IBM compatibles, minicomputers, programmable calculators, terminals, and classic arcade games. It allows users to experience these systems and software directly in modern web browsers, featuring a rich library of historical programs, operating systems, utilities, and games such as Microsoft Word 1.15, Lotus 1-2-3, Windows 3.0, and Wolfenstein 3D. The project serves as a digital preservation effort, offering extensive documentation and open-source code for enthusiasts to explore and contribute to retro computing history.

https://www.pcjs.org/

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Building an AmigaOS Development Environment in 2026

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The article details setting up a modern AmigaOS development environment on Linux in 2026, including building a compatible amiga-gcc toolchain, obtaining and configuring AmigaOS ROMs, and running the system via the Amiberry emulator. It covers installing AmigaOS in the emulator, running cross-compiled executables, and setting up remote debugging with bgdbserver linked to m68k-amigaos-gdb. The guide emphasizes practical steps for retrocomputing enthusiasts to develop and debug software for classic Amiga hardware emulated on contemporary systems.

https://turtleware.eu/posts/Building-an-AmigaOS-Development-Environment-in-2026.html

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More Emulation Goodness, an Intel Itanium (IA-64) Emulator That Boots Windows!

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An Intel Itanium (IA-64) emulator named SKI, developed by Yufeng Gao and collaborators, has reached version 0.1 and is capable of booting the Itanium versions of Windows Server 2003 and Windows XP 64-bit, though performance is currently slow. While support for OpenVMS, HP-UX, and Linux/BSD is not yet available, this marks a significant milestone in emulation of the Itanium architecture, historically used mainly for HP-UX and OpenVMS systems, and no commercial emulators have existed so far. Additionally, a QEMU fork reportedly running Server 2008 on Itanium has emerged, pointing to ongoing developments in IA-64 emulation.

https://raymii.org/s/blog/Intel_Itanium_IA-64-Emulator_that_boots_Windows.html

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Tiny Emulators

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Tiny Emulators is a collection of web-based emulators for classic 8-bit computers and arcade systems, including the Commodore 64, ZX Spectrum, Amstrad CPC, KC85 series, and more. Hosted on GitHub, these emulators support running original software, demos, and games from the retro computing era, providing accessible preservation and interactive experiences through modern browsers. The project features various user interfaces and modules to replicate hardware behavior, enabling enthusiasts to explore vintage systems and software digitally.

https://floooh.github.io/tiny8bit-preview/index.html

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