Getting Started With Akusprite Editor (my Retro Sprite editor)
Documentation is here... the program and source are included in the Z80 sources.7z on the website.
http://www.chibiakumas.com/akusprite/...
My Assembly tutorials cover a wide range of CPU's and Systems, see them all here:
http://www.assemblytutorial.com/
If would like to support my channel and ongoing 8-bit game development, please consider backing me on patreon:
/ akuyou