Old Tech, New Tricks: Running a PC on an NES

Taking an old Nintendo Entertainment System (NES) and making it run a PC. Sounds crazy, right? Well, that's exactly what one clever programmer did. The project, called NES86, turns the NES into a machine that can emulate an early PC system. This isn't just about playing games; it's about running a stripped-down version of the Linux kernel on a console that's decades old. The NES86 project is all about pushing the limits of what old hardware can do. The NES, with its 1. 79 MHz processor, is way slower than the original IBM PC's 4. 77 MHz. But with some clever tricks, the programmer, known as "decrazyo, " managed to make it work. He used special techniques to mimic the PC's hardware and software, even though the NES has much less RAM and memory space. One of the key challenges was finding a version of Linux that could run on such limited hardware. The solution was the Embeddable Linux Kernel Subset (ELKS), a lightweight version of Linux designed for 16-bit Intel processors. This version is compact enough to fit into the NES's tiny memory, but it's still a full-fledged operating system.The NES86 project isn't just a fun experiment; it's a testament to the power of emulation and the ingenuity of programmers. It shows that with the right tools and techniques, even the oldest tech can be given new life. However, running NES86 is no easy task. It requires specific emulators like FCEUX, Mesen2, Rustico, and the FPGA-based EverDrive N8 Pro cartridge. Even then, it's a slow and challenging process. But here's where it gets even more interesting. The best way to experience NES86 isn't on the NES itself, but by using a GameCube emulator to run Animal Crossing. This game includes a built-in NES emulator, allowing players to collect and play various NES games. By hacking this emulator, decrazyo managed to run a PC version of Tetris at an incredibly slow speed of 30 seconds per frame. This project raises some interesting questions. What else can old hardware do with the right software tricks? How far can we push the limits of emulation? And why would anyone want to run a PC on an NES in the first place? It's a fun and thought-provoking experiment that shows the power of creativity and curiosity in the world of technology.