Syntax - Using as Next: Sections, Previous: Invoking, Up: Top 3 Syntax This chapter describes the machine-independent syntax allowed in a source file. as syntax is similar to what many other assemblers use; it is inspired by the BSD 4.2 assembler, except that as does not assemble Vax bit-fields. Preprocessing: Preprocessing Whitespace: Whitespace Comments: Comments Symbol Intro: Symbols Statements: Statements Constants: Constants