https://pitifulmonkey.dev/Notes on my work and anything I randomly feel like building at 2 AM.enhttps://pitifulmonkey.dev/writing/devlog-3-english-broke-the-font-renderer/https://pitifulmonkey.dev/writing/devlog-3-english-broke-the-font-renderer/Wed, 21 Oct 2026 00:00:00 GMTThe original font atlas only has fixed-width glyphs. Here's how I added a proportional Latin font for the OreGairu English Patch.reverse-engineeringswitchdevloghttps://pitifulmonkey.dev/projects/paktool/https://pitifulmonkey.dev/projects/paktool/Sat, 10 Oct 2026 00:00:00 GMTA tiny command-line tool for unpacking and repacking mystery .pak archives without losing alignment.toolsreverse-engineeringpythonhttps://pitifulmonkey.dev/writing/writing-a-tiny-unpacker-for-a-mystery-pak-format/https://pitifulmonkey.dev/writing/writing-a-tiny-unpacker-for-a-mystery-pak-format/Thu, 08 Oct 2026 00:00:00 GMTMagic bytes, offset tables, and a weekend in a hex editor — the first step of the OreGairu English Patch.reverse-engineeringtoolshttps://pitifulmonkey.dev/projects/font-atlas-studio/https://pitifulmonkey.dev/projects/font-atlas-studio/Thu, 01 Oct 2026 00:00:00 GMTRebuild a game's bitmap font atlas with proportional Latin glyphs, then export the glyph table back into the game's format.toolsfontsswitchhttps://pitifulmonkey.dev/writing/coloring-hex-dumps-by-entropy/https://pitifulmonkey.dev/writing/coloring-hex-dumps-by-entropy/Fri, 18 Sep 2026 00:00:00 GMTStaring at a wall of hex is slow. Coloring it by entropy turned out to be the fastest way to see where a file's structure changes — so I built Hex Garden.toolsreverse-engineeringhttps://pitifulmonkey.dev/projects/hex-garden/https://pitifulmonkey.dev/projects/hex-garden/Tue, 15 Sep 2026 00:00:00 GMTA browser hex viewer that colors bytes by entropy, so compressed blobs, text and padding jump out at a glance.toolswebweirdhttps://pitifulmonkey.dev/writing/hello-world/https://pitifulmonkey.dev/writing/hello-world/Sun, 30 Aug 2026 00:00:00 GMTOne place for everything I build, break, and learn.devloghttps://pitifulmonkey.dev/projects/oregairu-english-patch/https://pitifulmonkey.dev/projects/oregairu-english-patch/Sun, 30 Aug 2026 00:00:00 GMTA fan English patch for the OreGairu visual novels on Nintendo Switch — archive formats, font rebuilding, text-box reflow, and how to install it.reverse-engineeringtranslationswitchhttps://pitifulmonkey.dev/writing/a-synth-that-fits-in-2-kb-of-ram/https://pitifulmonkey.dev/writing/a-synth-that-fits-in-2-kb-of-ram/Fri, 24 Jul 2026 00:00:00 GMTNotes from building Pocket Synth: fixed-point phase accumulators, an 8-bit wavetable, and why the speaker sounded like a kazoo at first.hardwareaudiohttps://pitifulmonkey.dev/projects/pocket-synth/https://pitifulmonkey.dev/projects/pocket-synth/Mon, 20 Jul 2026 00:00:00 GMTA four-voice synthesizer on a cheap microcontroller, with a wavetable that fits in 2 KB of RAM.hardwareaudioweirdhttps://pitifulmonkey.dev/projects/2am-radio/https://pitifulmonkey.dev/projects/2am-radio/Fri, 05 Jun 2026 00:00:00 GMTAn endless lo-fi radio station generated in the browser. No samples, just oscillators, noise and bad decisions.webaudioweirdhttps://pitifulmonkey.dev/writing/serverless-data-pipeline-aws-firehose-glue-athena/https://pitifulmonkey.dev/writing/serverless-data-pipeline-aws-firehose-glue-athena/Thu, 07 Aug 2025 00:00:00 GMTEnd-to-end process of using Firehose to stream data into S3, cataloging it with Glue, and querying it instantly with Athena.awsdata-engineeringterraformserverlesshttps://pitifulmonkey.dev/writing/yugioh-card-images-gan/https://pitifulmonkey.dev/writing/yugioh-card-images-gan/Mon, 11 Oct 2021 00:00:00 GMTTraining a small GAN on Yu-Gi-Oh! card artwork from the YGOPRODeck API, and what it dreams up after 200 epochs.deep-learningganaiarthttps://pitifulmonkey.dev/writing/smote-enn-imbalanced-classification/https://pitifulmonkey.dev/writing/smote-enn-imbalanced-classification/Tue, 23 Mar 2021 00:00:00 GMTCombining SMOTE oversampling with Edited Nearest Neighbors undersampling on a 1:100 dataset lifts a decision tree from 0.737 to 0.921 ROC AUC.machine-learningimbalanced-datadata-sampling