Vacuum Tube Computer P.26 – Memory Map and 4-Bits of RAM

Описание: Time to build our first proper PCB that will go on the final memory board, and it’s a doozy! Easily the longest board I’ve ever cut and certainly one of the most involved to solder up and test, this board of just 4-bits of RAM was a journey to build. And this is just the beginning, I have 11 more of these to build. But, the real question is, why is it built the way it is? Well, let’s take a deep dive into the memory map, look at how the memory will be laid out, and then finally, let’s give this 4-bits of memory a test!

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Intro Music adapted from:
Artist: The Runaway Five
Title: The Shinra Shuffle
https://ocremix.org/remix/OCR01847

Thanks for watching!

Chapters
0:00 Intro
0:10 Unexpected ASMR
2:34 The real intro
4:15 The control word
5:23 Using a 6-bit address (with 2 bank bits)
7:00 The memory map
9:13 Actualizing it
13:22 Soldering it up
14:28 Testing all four bits
16:54 Outro
17:54 Bunny!