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#hypercard

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Some of My History of Hypertext

mdhughes.tech/2025/04/22/some-

So in 1979, young Digital Mark is shown a computer, a TRS-80 Model I, by 4th-grade teacher. Other kids play Snake, I hit break and type LIST, seeing BASIC code, because I've been reading the instruction card. "I can read and learn this!" Nothing else now matters to Mark.

That summer, I take an

Mark writes · Some of My History of Hypertext - Mark writes
More from mdhughes

Next project I'm equally afraid and hyped about: re-implementing most of #HyperCard as #HTML form-based app. Requires:
- A working #HyperTalk (or the like) interpreter
- Card editing form that's flexible enough to build e.g. a calculator
- Script editing UI
- Smart evaluation that works well with old-school HTML-first UIs
- Server setup to handle all of these

Some of these are entirely new to me, and some don't have reasonable libs for in #CommonLisp, so I'm quite floored with the amount of work. But if I manage to make this thing, I'll have a reliable note-taking tool and a simple programming system!

(Now that I think about it, I don't really need a note-taking tool, because I use #hpda. And the simple programming system might as well be a headless HyperTalk interpreter...)

I have found that it is really hard to get pixel perfect results when trying to create classic System 6/HyperCard windows using html/css when working with Safari. It is SO OPINIONATED about dithering certain things that are pixel perfect 1-bit pngs and about rounding the corners of form fields.

I switched to using svgs to make a fill for my pinstripe title bars because of the dithering and inserting
-webkit-appearance: none; into CSS to strip out styling of the form fields. #retrocomputing #hypercard