Most SID registers are write-only.
It means that we can't use the usual read-modify-store construction to update just part of a register.
The most common technique to deal with this problem is to employ so-called shadow registers.
And that's what we are going to learn today!
What is this?
It's an episode of the 64 Bites - Video Tutorials for Programmers,
the series designed to teach you how to program Commodore 64 in small and easy steps.
- The Video - Short, Intense and Focused
- You can stream it on any device
- or download DRM-free
- Full Transcript so you can follow along.
- Source Code for everything you will see on the screen.
- Programming Exercises to do on your own.
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