Matt Greer

Why and how I am making a game for two very different platforms.

How to log to the console from your game using mGBA

Dealing with the GBA's various storage types

How to get the link cable going for multiplayer on the Game Boy Advance

How to create a song to play on the GBA

How to blend layers of pixels on the GBA

Several ways to draw individual pixels on a GBA

A broad intro to many of the e-Reader's card types

Extending an e-Reader game by scanning in new cards that alter its code

How to make a simple z80 hello world app for the e-Reader

Additional steps I am taking to make my next E-Reader game more robust

Using Ghidra to figure out how an E-Reader function works

Writing up a custom clock for the Nintendo E-Reader

My first exposure to working with SMA encryption in a Neo Geo game

How I got an old, used, Zebra thermal printer working

Lessons learned and why I had to reprint the series one E-Reader cards

What if the best game of 2024 came out on an old, obscure and weird platform?

Looking back on what it was like to make Exo Attack

Some tips and suggestions when your printed cards won't scan.

How to locate a sprite tile in a Neo Geo game's C ROMs

More things I have found through my trials and errors

Solving a mystery about an E-Reader function

The E-Reader API uses a nice and simple fixed point system

Even more experience and hard knocks on printing E-Reader cards

Making a new game from scratch for Nintendo's forgotten peripheral

How I printed Nintendo E-Reader cards so they work

How do planet cards grow in Balatro?

How do decks increase their scoring in Balatro?

One is the loneliest number

Can we make the CPU drift?

How can you make a CPU car drive around a track in a video game?

Let's take a look at how to work with decimal numbers on an ancient cpu.

Now that I have a finished a big ROM hack, some random thoughts on the process.

How I used MAME's tracing to figure out a how a Neo Geo game works

How I used MAME's Lua integration to greatly improve my retro development experience

Let's see how we can alter a game's logic in part 3 of my Neo Geo ROM hacking guide.

Let's see how we can alter a game's graphics in part 2 of my Neo Geo ROM hacking guide.

Let's get started learning how to make Neo geo ROM hacks.

Here are some tips and a small guide on how to use MAME for debugging more effectively

How I reverse engineered the Super Metroid map with brute force.

When doing something repeatedly in JavaScript, I always use setTimout and never setInterval, here is why

Why is React giving me this strange warning?

Need to collect form data?

A quick look at how I made a site that has almost no JavaScript, using a JavaScript framework.

Web Assembly lets us bring native applications right into the browser.

The Arduboy is an Arduino based game console with very limited storage space.

How to use i3 with MATE to get an excellent tiling desktop experience in Linux.

In this final installment, we take a quick look at transactions and how they help React do its job.

Part four implements setState, an important function that drives much of what React does.

This part explores how React updates the DOM after props change.