Abstract
All microprocessor instructions comprise a whole number of bytes; the first always contains the operation code (often abbreviated to op. code). If the instruction does not need to specify an operand or its address, this single byte suffices. Some examples are given below in the customary hexadecimal coding.
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© 1987 J.C. Cluley
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Cluley, J.C. (1987). Instruction Formats and Address Modes. In: An Introduction to Low Level Programming for Microprocessors. Macmillan Computer Science Series. Palgrave, London. https://doi.org/10.1007/978-1-349-09355-7_3
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DOI: https://doi.org/10.1007/978-1-349-09355-7_3
Publisher Name: Palgrave, London
Print ISBN: 978-0-333-43692-9
Online ISBN: 978-1-349-09355-7
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