Exploring Raster Interrupt and Timer Interrupt on Commodore 64, combine them together and have nice effects.
Code from video: https://github.com/josipk/Commodore64_Interrupts
Timestamp
0:00 Intro
0:34 Abount Interrupts
1:57 Raster Interrupt
8:46 Timer Interrupt
12:24 Raster and Timer Interrupt active in the same time
15:15 Adding more border color effects (BASIC)
17:19 Code on GitHub