The First Step in Building our TMS9900 Homebrew!

I’ve been excited about this one for a long time! The TI-99/4A seems like a run-of-the-mill home computer, but lurking inside beats the heart of a 16-bit minicomputer. It’s time we unleash the beast, letting the TMS9900 stretch its legs and run like it was meant to. But, this is going to be a long journey and this is just the first step. Check out CommodoreZ's Cactus here: https://commodorez.com/cactus.html Check out TechAV's Wrap030 here: https://techav.net/ If you want to support the channel please hop over to Patreon:   / usagielectric   Also, we now have some epic shirts for sale! https://my-store-11554688.creator-spr... Come join us on Discord! Discord:   / discord   Intro Music adapted from: Artist: The Runaway Five Title: The Shinra Shuffle https://ocremix.org/remix/OCR01847 Thanks for watching! Chapters 0:00 The year is 1982… 1:35 Let’s build a homebrew! 2:59 But what even is a homebrew computer? 5:35 Okay. And what is a minicomputer? 9:06 To answer that, let’s look at why the TI-99 is not a minicomputer 12:30 Usagi’s definition of a minicomputer 13:30 Every CPU needs a clock (CM) 14:47 Building the power supply 16:00 Testing out the TIM9904 17:07 Machining a PCB 23:38 What did we build? 24:26 Testing it out 26:18 Happy bunny!