Conventions - Motorola MPC860 PowerQUICC User Manual

¥ Application notesÑThese short documents contain useful information about
speciÞc design issues useful to programmers and engineers working with PowerPC
processors.
For a current list of PowerPC documentation, refer to the world-wide web at
http://www.mot.com/SPS/PowerPC/.

Conventions

This document uses the following notational conventions:
Bold
mnemonics
italics
0x0
0b0
rA, rB
rD
REG[FIELD]
x
n
Â
&
|
MOTOROLA
Bold entries in Þgures and tables showing registers and parameter
RAM should be initialized by the user.
Instruction mnemonics are shown in lowercase bold.
Italics indicate variable command parameters, for example, bcctrx.
Book titles in text are set in italics.
PreÞx to denote hexadecimal number
PreÞx to denote binary number
Instruction syntax used to identify a source GPR
Instruction syntax used to identify a destination GPR
Abbreviations or acronyms for registers or buffer descriptors are
shown in uppercase text. SpeciÞc bits, Þelds, or numerical ranges
appear in brackets. For example, MSR[LE] refers to the little-endian
mode enable bit in the machine state register.
In certain contexts, such as in a signal encoding or a bit Þeld,
indicates a donÕt care.
Used to express an undeÞned numerical value
NOT logical operator
AND logical operator
OR logical operator
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