Soon after I answered the question above, “Is there a Minix assembly language programming manual?
Introduction to Intel x86 Assembly Language in Minix on the comp.os.minix newsgroup. (The above link is to an html document, there is also a PDF version available). The author is Carl Burch of St John’s University (Minnesota, USA). This document describes the language recognized by the open-source assembler NASM, which is very similar to the assembly language of Minix. • Intel and AMD Architecture and Programming Manuals are available on the web. These companies want people to program for their products, of course, and they provide lots of information. • There is a Protected Mode Tutorial at http://my.execpc.com/~geezer/os/pm.htm, a site maintained by Chris Giese. The page is oriented toward programming MS-DOS applications, but it offers a good brief overview of how protected mode works. • Wangzhi (quakewang@mail.whut.edu.cn) provided a translation into English of a Minix Assembly Language Manual, originally written in Chinese by Mao Yao and Yang Songhua. It includes a number of exampl