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Correct trivial formatting problems.
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@ -4,11 +4,11 @@
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\section{Assembly Language Statements}
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\section{Assembly Language Statements}
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Introduce the assembly language grammar.
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Introduce the assembly language grammar.
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Statement = 1 line of text containing an instruction or directive.
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\begin{itemize}
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\item Statement = 1 line of text containing an instruction or directive.
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Instruction = label, mnemonic, operands, comment.
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\item Instruction = label, mnemonic, operands, comment.
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\item Directive = Used to control the operation of the assembler.
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Directive = Used to control the operation of the assembler.
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\end{itemize}
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\section{Memory Layout}
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\section{Memory Layout}
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@ -75,11 +75,11 @@ an instruction that accomplishes nothing while simply advancing the
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unused memory between two instructions in a program.%
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unused memory between two instructions in a program.%
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\footnote{This can happen during the evolution of one portion of code
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\footnote{This can happen during the evolution of one portion of code
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that reduces in size but has to continue to fit into a system without
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that reduces in size but has to continue to fit into a system without
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altering any other code\ldots\ or some times you just need to waste
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altering any other code\ldots\ or sometimes you just need to waste
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a small amount of time in a device driver.}
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a small amount of time in a device driver.}
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An instruction that accomplishes nothing is called a \insn{nop}
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An instruction that accomplishes nothing is called a \insn{nop}
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(some times systems call these \insn{noop}). The name means
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(sometimes systems call these \insn{noop}). The name means
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{\em no operation}.
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{\em no operation}.
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The intent of a \insn{nop} is to execute without having any side effects
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The intent of a \insn{nop} is to execute without having any side effects
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other than to advance the \reg{pc} register.
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other than to advance the \reg{pc} register.
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