#assembler
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A graphical desktop for the ZX Spectrum, written entirely in Z80 assembly
An enthusiast going by mindbox77 has packed a windowed interface with menus, a file manager and settings into 48 KB — and it runs on a real 1982 machine.
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Why the x86 instruction is called ud2 and not just ud
Microsoft's Raymond Chen unpacks where the “two” in the name of the x86 instruction that's guaranteed to raise an invalid-opcode exception came from.