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Don Williamson's Real-Time Web-Based DCPU-16 Emulator & ASM Code Editor

Don Williamson shared his real-time web-based code editor & interpreter for the DCPU-16 Virtual Machine. It makes nice use of the canvas tag for a beautiful blue console, features a real-time recompile as you type, and thanks to some custom DCPU-16 support for Marijn Haverbeke's wonderful CodeMirror syntax highlighting textarea library, it'll give you real-time error feedback as you type.

It also supports the dat instruction, to make it easy to store strings — something I haven't seen supported in any other web-based compiler so far.

Code editor interface displaying programming code alongside a graphical output.

Play with it here, or check out the source on git hub.

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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