During my experiments with video, I also made a test of image compression. RLE compression works best with long strings of repeated bytes, and to try to increase their occurrence I split the image into 2 bitplanes. It's slow to draw, but saved a lot of memory!
As always, this Video lesson matches the text lesson on my website, and you can get the source code as well...
http://www.chibiakumas.com/z80/platfo...
I've written a book! It covers ASM programming on Z80, 6502, 68000, 8086 and ARM!
It's available on amazon stores worldwide!
https://www.amazon.com/gp/product/B08...
If you like my content, and want to see more in the future, please support me on patreon:
/ akuyou
Or become a member on my youtube channel:
/ @chibiakumas
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My Assembly tutorials cover a wide range of CPU's and Systems, see them all here:
http://www.assemblytutorial.com/