My solutions for The Elements of Computing Systems: Building a Modern Computer from First Principles (2005) book aka Nand2Tetris course.
Website - https://www.nand2tetris.org/
Book - https://mitpress.mit.edu/books/elements-computing-systems
Courses on Coursera - Part 1, Part 2
Goodreads - https://www.goodreads.com/book/show/910789.The_Elements_of_Computing_Systems