5.1 AssemblersInstruction MnemonicsPseudo-OperationsThe .ASCII and .END Pseudo-opsAssemblersThe .BLOCK Pseudo-opThe .WORD and .BYTE Pseudo-opsUsing the Pep/9 AssemblerCross Assemblers5.2 Immediate Addressing and the Trap InstructionsImmediate AddressingThe DECI, DECO, and BR InstructionsThe STRO InstructionInterpreting Bit Patterns: The HEXO InstructionDisassemblers5.3 SymbolsA Program with SymbolsA von Neumann Illustration5.4 Translating from Level HOL6The Printf() FunctionVariables and TypesGlobal Variables and Assignment StatementsType CompatibilityPep/9 Symbol TracerThe Shift and Rotate InstructionsConstants and .EQUATEPlacement of Instructions and DataChapter SummaryExercisesProblems