Gain high-level program control using assembly language macros. "Structured Assembly Language" shows programmers how to build ready-to-use lilbraries of assembler macros that will enable them to create fast, tight code with the ease of their favorite high-level languages - while improving machine operation and reducing program size by as much as 80 percent. Len Dorfman is a professional programmer and co-owner of a succsseful software development firm that specilizes in programmer"s productivity tools.