### References - ["Clock Frequency" at Codebase64](https://codebase64.org/doku.php?id=base:cpu_clocking) - ["Hardware basics Part 1 - Tick Tock, Know your clock" at dustlayer.com](https://dustlayer.com/c64-architecture/2013/5/7/hardware-basics-part-1-tick-tock-know-your-clock)
References