October 2018
Beginner to intermediate
436 pages
9h 36m
English
In programming, processing data requires variables. You can simply think of registers as variables in assembly language. However, not all registers are treated as plain variables, but rather, each register has a designated purpose. The registers are categorized as being one of the following:
In x86 architecture, each general purpose register has its designated purpose and is stored at WORD size, or 16 bits, as follows:
For registers AX, BX, CX, and DX, the least and most significant bytes can be accessed by smaller registers. ...