RadDad772 personal blog

Find info here about emulators I’ve written, and also blog posts about emulators I’ve written!

Posts

Mar 14, 2025
Nintendo DS Geometry & Rendering Engine notes, the basics, and the vertex cache and edge finding for RE
Mar 5, 2025
Super Nintendo vs. Genesis/MegaDrive vs. GameBoy Advance, part 4: APU
Mar 4, 2025
Super Nintendo vs. Genesis/MegaDrive vs. GameBoy Advance, part 3: GPU
Mar 3, 2025
Super Nintendo vs. Genesis/MegaDrive vs. GameBoy Advance, part 2: CPU
Mar 2, 2025
Super Nintendo vs. Genesis/MegaDrive vs. GameBoy Advance, part 1: Intro
Feb 19, 2025
Notes on GBA PPU: How windows work
Feb 19, 2025
Notes on GBA PPU: How mosaic works
Jan 2, 2025
Notes on GBA PPU: Windows and Blending
Sep 3, 2024
The journey so far: what I’ve emulated
Sep 2, 2024
The inflection point of emulation accuracy
Aug 29, 2024
The Address and Data Busses: How to Understand Mappers
Jul 21, 2024
Genesis VDP internals, part three: basic timing, DMA, and VRAM access slots
Jul 18, 2024
Genesis VDP internals, part one
Dec 13, 2023
Oops, I JIT’d
Dec 13, 2023
How to get to GameGear from SMS
Oct 14, 2022
WebAssembly via AssemblyScript
Sep 15, 2022
Unit tests for your CPU, and the weird, wonderful ZX Spectrum
Sep 3, 2022
Timing for games and emulators in JavaScript, and, a tiny bit of news
Aug 5, 2022
JavaScript: Return of the Woes
Jun 25, 2022
SNES myths
Jun 18, 2022
Testing your CPU emulator
Jun 17, 2022
Emulating in Javascript, and also, emulating the 65c816 with cycle accuracy and speed
Jun 16, 2022
Notes on the WDC 65c816