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Why port emulators to the browser?

MacPaint Woodblock sample image

In a discussion on Hacker News about emulators being ported to the browser, I drew attention to my own project, PCE.js, which emulates a Macintosh Plus and an IBM PC/XT. Some of the questions brought up included why someone would undertake such a project, and also the legal considerations of including the software ROM required to boot the machine.

PCE.js - Classic Mac OS in the browser

PCE.js MacPaint screenshot

I've just completed porting Hampa Hug's excellent PCE emulator to run in the browser, using Emscripten. I've mainly focused on the pce-macplus build. This is pretty awesome because it means you can run classic Mac OS in the browser. Check it out: PCE.js - Classic Mac OS in the browser.

I've also got the pce-ibmpc build working (emulating an IBM compatible, up to a 286 CPU), and and pce-atarist, an Atari ST emulator also, with browser demos coming soon for each.

A dump of the source is available here but I'll try to clean it up and make it available on GitHub when I get the chance.

Update: source on GitHub, and I've added an IBM PC Demo.

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