Build logs

Notes from the bench.

Write-ups of each milestone: what was built, how it works, and what went wrong on the way.

LATESTSep 19, 2026Ridge OS

Booting to a framebuffer on real hardware

Leaving QEMU behind: UEFI GOP, a stubborn ThinkPad and a week of blank screens.

Aug 30, 2026 Tessera

A TrueType rasterizer in 900 lines Parsing glyf tables, flattening curves and computing exact pixel coverage.

18 min Aug 02, 2026 Cutline

The decoder finally handles B-frames Reference picture lists, reordering, and why the spec is worth reading twice.

15 min Jul 11, 2026 Facet

Writing a shader compiler for one engine A tiny language that lowers to WGSL, and what it replaced.

10 min Jun 20, 2026 Ledger

Crash-safe writes with a 400-line WAL Checksums, fsync ordering and pulling the power cable on purpose.

9 min May 28, 2026 Ridge OS

A preemptive scheduler from the timer up APIC timers, context switches and the first time two tasks ran at once.

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