I like how SICP teaches you about programming first, and then considers how code might be executed on a register based machine: http://mitpress.mit.edu/sicp/fu

I like how SICP teaches you about programming first, and then considers how code might be executed on a register based machine: http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-30.html#%_chap_5 http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-30.html... rather than starting from the bottom up.