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Gekkio's Technical Blog

gekkio.fi

Technical blog by Joonas Javanainen

Retro consolesEmulationElectronicsReverse engineeringRust

’10’15’20’25
Posts
43 from 21 Jan 2010 to 7 Feb 2026
Posting
now and then (1 in the last year)
Kind
personal blog
Feed
https://gekkio.fi/atom.xml

2026 1

  1. Game Boy Advance d-pad capacitor measurements

2022 1

  1. 8 years of Game Boy tweets

2021 1

  1. Power consumption of Game Boy flash cartridges

2020 6

  1. HHL Bivert Module V2 - technical review
  2. Decapped random chip - Microchip PIC16LC72A
  3. Decapped random chip - STMicro L78M05CV
  4. Decapped random chip - Samsung S4L85K1X01
  5. Decapped random chip - Texas Instruments OPA1632
  6. PCB gallery 1

2018 1

  1. Errata for "Reverse engineering fine details of Game Boy hardware"

2017 2

  1. Replacing a Super Famicom front panel flexible flat cable
  2. Game Boy research status, March 2017

2016 3

  1. Game Boy test ROM do's and don'ts
  2. Game Boy research status, September 2016
  3. Game Boy cartridge PCB photos

2015 7

  1. Mooneye GB 0.1.0 released
  2. Dumping the Super Game Boy 2 boot ROM
  3. Mooneye GB: Cartridge analysis - three games with DMG-BEAN-02 boards
  4. Mooneye GB: Cartridge analysis - Wizards & Warriors X: Fortress of Fear (MBC1)
  5. Mooneye GB: Cartridge analysis - Tetris (no MBC)
  6. Mooneye GB: Gameboy cartridge types
  7. Mooneye GB: A Gameboy emulator written in Rust

2014 2

  1. Calling Win32 API with Rust FFI
  2. Wandboard Quad

2013 2

  1. Android hacking with YW9300: Introduction
  2. Increased compile-time safety with phantom types

2012 3

  1. ZK Gritter: Growl-like notifications for ZK apps
  2. Advanced ZK: Asynchronous UI updates and background processing – part 2
  3. Java pitfalls: Field access in inner classes

2011 11

  1. Advanced ZK: Asynchronous UI updates and background processing - part 1
  2. In defense of Scala: Understanding the ++ operator
  3. Spring vs Guice: The one critical difference that matters
  4. sbt-jrebel-plugin 0.9.0 released
  5. Thoughts about the ZK Web Framework: Technical stuff
  6. Thoughts about the ZK Web Framework: Overall experience
  7. SBTEI technical challenges: Project metadata
  8. SBTEI technical challenges: Scala versions
  9. SBTEI vs SbtEclipsify
  10. SBTEI development resumed
  11. Client-side ZK, Part 1: Integrating simple jQuery plugins

2010 3

  1. JPA entity scanning with Spring
  2. IE6 incompatibilities in ZK
  3. SBT and JRebel