This is Chapter 2 of the Machine Code Essentials series: Chapter 1: Chapter 2: ... you are here ... Chapter 3: Chapter 4: The only reason for the CPU stack to exist is recursive function calls. We will go step-by-step trying to reinvent the machine code for function calls. 0:00 Introduction 0:13 Function call 0:21 A function from the machine point of view 0:49 Link register 1:33 Nested functions calls 2:15 Recursion example 2:38 The appearance of stack 4:15 Summary #arm #c #cpu #compiler #stack #function #programming #assembly