The 8-bit architecture that defined the computing landscape of the 1980s is making a comeback through a hybrid approach. The 3ric project, created by developer Eric Badger, is more than just a nostalgia trip; it is a complete computing platform that exists simultaneously as a physical circuit board and a browser-based emulator, removing all entry barriers for those wanting to program on vintage silicon.
Bridging Atoms and Bits
The heart of 3ric is the 65C02 processor, the CMOS version of the legendary chip that powered icons like the Apple II, Commodore 64, and the Nintendo Entertainment System. Unlike many clones that strive for perfect replication, 3ric is an original computer design. While it adopts familiar standards—including the memory map, video modes, and Disk II architecture—it implements a proprietary design based on KiCad schematics and programmable address logic via 22V10 GAL.
My custom single board computer, 65c02-based with multitasking support ... — https://www.reddit.com/r/electronics/comments/yw6g44/my_custom_single_board_computer_65c02based_with/
The real innovation lies in its dual nature. Badger developed a C++ virtual machine that compiles directly to WebAssembly, enabling a "cycle-honest" emulator (accurate to the single clock cycle) to run entirely in the browser. This choice transforms low-level computing education into an instant experience, mirroring how modern AI inference is being moved to the client side via technologies like LiteRT.js to reduce latency and server costs.
A Zero-Install Development Ecosystem
3ric does not just provide hardware; it builds a full development ecosystem. The combination of a dedicated ROM and the WebAssembly emulator allows users to write code, test it in a virtual environment identical to the physical one, and then deploy it to the actual board without configuring complex cross-compilation toolchains.
My still partially complete 65C02 computer. : r/electronics — https://www.reddit.com/r/electronics/comments/lwljh8/my_still_partially_complete_65c02_computer/
This approach fits into a broader trend of reclaiming "bare metal" computing. While projects like NASA's spacewasm explore WebAssembly for critical embedded environments and spaceflight, 3ric leverages the same technology to democratize access to 8-bit architecture, making booting and debugging accessible via a simple URL.
Perspectives on Hardware Engineering
The project proves that the 6502, despite being fifty years old, remains an unsurpassed educational tool for understanding how a computer works internally. The ability to move seamlessly from high-fidelity software simulation to a real printed circuit board drastically lowers the learning curve for new developers, providing a concrete entry point into electronic engineering and assembly programming.