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blog: CRT Typography

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Eryn Wells 2025-02-08 08:24:38 -08:00
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---
title: "CRT Typography"
date: 2025-02-08T08:19:22-08:00
tags:
- Typography
- Retro Computing
---
A fascinating [blog post][post] by Norbert Landsteiner about how the old DEC
terminals (VT100, etc) rendered text. The glyphs in the terminal's ROM are
pretty dramatically different from how they're actually rendered due to a
vertical pixel doubling algorithm, and the physical effects of shooting
phosphors with electron beams.
[post]: https://www.masswerk.at/nowgobang/2019/dec-crt-typography