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Have a look at: http://zet.aluzina.org/index.php/Zet_processor which can actually run Dune 2: http://zet.aluzina.org/images/b/bd/Vga-4.jpg and more http://zet.aluzina.org/index.php/Pictures like MS Windows 3.0, MS DOS 6.22 etc. This runs on an older Altera DE1 (Cyclone III-based) board

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The draw that this one gives me over the Zet processor (which btw is great and I've used it here and there in the past), is that Zet is not really maintained anymore. It's not a moving target, that's completely true, but S80x86 has the potential to hopefully do some neat things with 286's and 386's as well.

But for anybody looking for a quick-n-dirty deploy to a board solution, the Zet is fantastic and solid.

It should be noted that 186's aren't even remotely compatible with 286's and 386's. And implementing a 286/386/486 is actually much harder and more complex than say, an 8086. That's why most people stop their hobby project at 8086 or 286. Because it becomes much more work to accomplish and the fun/novelty dries up.

Probably the same applies to why there are several home brewed Z80s and 6502s around, but few to no home brewed 68020s. (-:

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