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Official Technical Documentation: Hardware, QuadBasic & VDP Manuals

Quadium 4004 Workbench · published 20 May 2026, 13:59 UTC

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Hello everyone,

As development on Quadium 4004 Workbench moves steadily forward, I want to share some essential technical documentation with the community.

To provide the best experience and keep everything organized, I have published an Official Steam Guide containing the full technical manuals for the project. Whether you want to study the simulated MCS-4 architecture, learn the syntax of QuadBasic, or understand the VDP rendering logic, you can find all the details here:

>> Access the Official Technical Manuals Guide <<

Feel free to dive into the technical details and let me know your thoughts or questions in the guide's comment section!

Thank you for your continued support as we approach the November release.

Best,
Jaime Clot

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Steam news19 Sep 2026Quadium 4004 Workbench — Limited Demo Coming October 6!Hello everyone, As we get closer to the full release of Quadium 4004 Workbench , I want to share an important milestone. On October 6 , a playable demo will go live on Steam — for a limited time only . What the demo is This is a real, working build of the laboratory: you can write code, run it on the simulated MCS-4 system, explore the environment, and get a hands-on feel for how Quadium works.…Community19 Jul 2026New Feature: USB I/O BridgeThe new USB I/O Bridge extends Quadium 4004 Workbench beyond software emulation, enabling real-time communication with external hardware through a standard USB Serial (CDC) connection. Compatible devices include Arduino Leonardo , Arduino Mega , and virtually any USB CDC device implementing the Quadium USB protocol. What can it do? · Send CPU register / PC / ACC / carry to external hardware. ·…Community26 Apr 2026Development Update: New Official Forums & 4004 Technical LogsHello everyone! I am excited to announce that the Official Quadium Forums are now live. As development of the workbench continues to evolve, I want to share the technical journey of building this project. If you are interested in the "inner workings" of the Intel 4004, the first deep dive is already up: "The Art of Pointing: Why the 4004 RAM management will make you question your sanity." I’ll…