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Alan Kay provides an answer to whether the ENIAC, an early computer, included a BIOS system.
The article reverse-engineers the Intel 8087's tangent instruction, explaining how it combines CORDIC and polynomial approximation for efficient floating-point calculations in vintage computing.
The Interim Computer Museum is restoring a DECsystem1060 computer named KICKI, including efforts to revive its memory modules and CPUs with assistance from former DEC personnel.
This article provides an introduction to the concept of screens on Amiga computers, explaining how they handle different resolutions, color depths, and bitplanes using the original OCS, ECS, and AGA chipsets.
Oscar Toledo G. details the challenges and modifications needed to port his vintage C compiler for transputers from 32-bit to modern 64-bit systems, addressing pointer and type compatibility issues.
A detailed overview of a restored PDP-11/83 system running 2.11BSD Unix, showcasing its hardware components, software setup, and networking capabilities for serving a web page.
The Sony SMC-70, launched in 1982, was Sony's first microcomputer, notable for its pioneering 3.5-inch floppy drive, advanced color graphics, and a unique, highly modular expansion system.
This article explains how to embed custom bitmap fonts into HyperCard stacks by utilizing the Macintosh resource system, providing historical context about HyperCard's use in game development.
GentleOS/16 is a hobby operating system for vintage 16-bit PCs, designed for tinkering with old hardware using minimal resources and plain C.
A blog post recounts the accidental damage to an AMD Athlon XP processor during heatsink removal, exploring the fragility of early flip-chip packaging and its evolution to more robust designs.
The author restored a 1984 Apple Macintosh 128K, upgraded to a Mac Plus, for display and daily use in an office, overcoming hardware issues like CRT burn-in and plastic deterioration.
AGI-64 is a free AGI interpreter for the Commodore 64, enabling play of classic Sierra adventures like Space Quest 1. It is 75% complete, supports save/load, and is optimized for 1 MHz hardware.
The article explores the Siemens PC-X, a 1984 PC that ran SINIX (a Unix-based OS) and featured unique hardware specifications and design, providing historical context for early computing.
TinySol is a tiny Klondike Solitaire game for DOS, designed for vintage computers with monochrome screens. It is written in x86 Assembly, fits in 3KB, and supports various video modes.
A deep-dive blog post reverse-engineering a 1948 IBM 604 vacuum-tube flip-flop module, explaining its circuitry and demonstrating it in operation.
The author documents the successful installation of A/UX 1.1, Apple's vintage UNIX, on the Snow emulator, detailing the hardware requirements and setup process.
This article reverse-engineers the 69-bit adder at the core of Intel's 8087 floating-point coprocessor from 1980, explaining its architecture and carry-chain techniques.
The article discusses powering up a thyratron tube module from the 1948 IBM 604 Electronic Calculating Punch, detailing the historical context of early electronic computing and the innovation of pluggable modules.
A detailed reverse-engineering analysis of the ALU board from the Mitra 125 MS minicomputer used in Spacelab, exploring its circuit design and historical context.
A guide on using a Raspberry Pi to emulate a dial-up ISP, connecting vintage Macs via Wi-Fi with simulated dial-up speeds.