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Dog-leg hypotenuse approximation — Parallax Forums

Less than 1% error.

by ats ... to approximation cute-code embedded geometry maths optimisation ... on 13 July 2025

AtariLynx/handy-amiga: Amiga diskettes and hardfiles for WinUAE to run an emulated Handy development environment

"This repository contains Amiga diskettes in adf format for the Handy development environment, also known as "Lynx Development System"."

by ats ... to amiga assembler cross lynx retrocomputing ... on 10 July 2025

Verbaute Tastaturen und Hersteller (Sammelthread) | Musiker-Board

Which keybeds different synths use. There are lots of copies of this list around the Internet, but this is the original.

by ats ... to keybed keyboard midi music piano synth ... on 09 July 2025

monsonite/1968-FORTH: Original Forth for 1BM 1130 written by Charles Moore in 1968.

"Original Forth for IBM 1130 written by Charles Moore in 1968." It's very small, as you might expect.

by ats ... to forth ibm language-design retrocomputing ... on 09 July 2025

RD&CE

"This page gives access to a short description of nearly every "coded and registered" design produced by the BBC between 1957 and 1991 (over 7000 !)."

by ats ... to audio bbc broadcast electronics radio retrotech tv vtr ... on 07 July 2025

HH3 - most accurate pendulum clock on the planet

Involves a Chain Controlled Oscillator.

by ats ... to clock oscillator pll retrotech time ... on 06 July 2025

RetroWorkshop – Yesterday’s Technology Today

Repairing various interesting things, including a Sinclair C5, some 1980s computers and an SL1210.

by ats ... to c5 electronics repair retrocomputing sinclair technics turntable ... on 06 July 2025

54weasels/sun3_60

"This project reproduces the Sun 3/60 computer from available schematics". Involves quite a lot of PALs and small memory chips, but it does make it clear how the MMU works.

by ats ... to architecture electronics m68k mmu retrocomputing sun ... on 06 July 2025

63 Chinese Cuisines: the Complete Guide

An excellent illustrated overview of different cuisines across China. I was able to identify a couple of dishes I've had in China that I didn't know the name of before through this - very helpful.

by ats ... to china food ... on 10 December 2024

Tetsugakudou Ramen: A Bowl of Black Magic

A Justin Hall article that I often find myself reminded of, about his favourite ramen restaurant.

by ats ... to food japan ramen ... on 10 December 2024

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