Commodore 64 RAM Expansion Units & SID Random Numbers

Demonstrating the various RAM Expansion Units (REUs) available for the Commodore 64 and 128, including how to program them to help in analysis of the output of the SID's noise waveform.

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An article I wrote about REU programming many years ago for Loadstar Letter: http://psw.ca/robin/?page_id=182

More info about the C64 game Sam's Journey: https://www.knightsofbytes.games/samsjourney

More info about Jim Brain's X-Pander 3 expansion port... expander: http://www.go4retro.com/products/x-pander-3/

The memory map images I used in this video are from the Commodore 64 Programmer's Reference Guide, which you should be able to find in electronic form easily with a search.

Stand-alone video of A Procedurally Generated Christmas Song: https://youtu.be/5hZaQNUfSNc

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Check out my podcast Growing Up '80s: https://thecouch.website/category/gu80s/

Видео Commodore 64 RAM Expansion Units & SID Random Numbers канала 8-Bit Show And Tell