A251 User's Guide

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This Assembler User's Guide provides an overview of the Keil A251 Assembler. It contains the following chapters.

• Introduction provides a brief introduction to the Keil A251 Macro Assembler.
• Assembling Programs specifies how to run the assembler and generate object files. This chapter discusses the directives that are available.
• Writing Assembly Programs describes the components of an assembly program and some aspects of writing assembly programs.
• Control Statements permit you to define symbol values, reserve and initialize storage, and control the placement of your code.
• Macro Processor discusses how to use the macro expansion capabilities of the assembler.
• Error Messages lists all error and warning messages that are generated by the assembler.
• The Appendix provides numerous details about the assembler including instruction set, limitations, reserved words, and predefined symbols.