We can equate a block of memory in the hardware to simply allocating N bytes of memory in our program: pub fn new() -> Wram ', opcode, ) Regardless of what is actually being stored in each memory location, we represent it in the same way. Memory is one of the easiest things to implement in code. The Gameboy has a few different types of memory that need to all be emulated: Read Only Memory (ROM) AKA the external video game cartridge.The Gameboy has the following hardware features: Interacts so we can form an understanding of how to emulate it in code. With this in mind, let’s take a look at the hardware of the Gameboy and how it all Virtually simulate how the real hardware of the gameboy would function. This means that in order to create an emulator for the Gameboy, we have to That run on it and tell it which instructions to execute.Īn emulator works by virtualy representing the physical hardware of the guest machine. When we view the Gameboy as a computer, the video game cartridges are the ‘programs’ We know that a computer is a device that can carry out logical tasks. The Gameboy, along with all old video game consoles, are nothing more than simple versions of computers. There are many systems that can be emulated,īut the choice was easy for me since the Gameboy was my first videogame console. Pseudocode will be presented in Rust syntax. The host system can be any version of Linux/Windows/MacOS.

This page will describe what I learned during the process of developing an emulator for Is an incredibly rewarding and educational experience in many ways. However, taking the time to understand how an emulator works under the hood Write them off as some kind of black magic witchcraft. Many people who have used emulators (my younger self included) tend to

To run on an entirely different system (the host). An emulator is a piece of software that enables programs for one system (the guest system)

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