Intel XENIX 286 Programmers Guide (86) - Tenox.tc

as: Assembler XENIX Programming
Keyword Statements
Keyword statements are numerically the most com mon type, since most machine
instructions are of this sort. A keyword statement begins with one of the many
predefined keywords of the assembler. The syntax of the remainder depends on the
keyword. All the keywords are listed in the section "Mnemonic List" later in this
chapter.
Expressions
An expression is a sequence of symbols representing a value. An expression contains
identifiers, constants, and operators. Each expression has a type.
Arithmetic is two's complement. All operators have equal precedence, and expressions
are evaluated strictly left to right.
Expression Operators
The operators are
Operator
+
*
I
Types
&
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