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SectorC: A C Compiler in 512 bytes
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Overview
SectorC is a C compiler written in x86-16 assembly that occupies 512 bytes in the boot sector of an x86 machine. It supports a subset of C sufficient for writing functional programs, making it potentially the smallest C compiler ever created.
Summary from xorvoid.com.
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Community analysis available for 1 of 1 linked discussions.
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Community reactions
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Hacker News · xorvoid.com
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Based on 5 sampled comments from this thread. Analyzed 2026-02-08.
- Praise: The elegant use of hashing for tokens and a pseudo symbol table showcases innovative thinking in compiler design, which could inspire future developments.
- Concern: The lack of support for structs raises concerns about the practicality of this compiler, limiting its usability for real-world applications.
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