Someone built an x86 CPU emulator using pure CSS, for science

The recently unveiled x86CSS project aims to emulate an x86 processor within a web browser. Unlike many other web-based emulators, Lyra Rebane's implementation is written entirely in CSS. More precisely, the x86CSS page hosts a C program compiled with GCC into native 8086 machine code, which is then executed through...Read Entire Article

Feb 26, 2026 - 07:40
 1
Someone built an x86 CPU emulator using pure CSS, for science
The recently unveiled x86CSS project aims to emulate an x86 processor within a web browser. Unlike many other web-based emulators, Lyra Rebane's implementation is written entirely in CSS. More precisely, the x86CSS page hosts a C program compiled with GCC into native 8086 machine code, which is then executed through...

Read Entire Article

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