Motorola MPC8260 - Manual (Page 426)

Part IV-iv MOTOROLA
Part IV. Communications Processor Module
¥ PowerPC Microprocessor Family: The ProgrammerÕs Reference Guide
(Motorola order #: MPCPRG/D) is a concise reference that includes the register
summary, memory control model, exception vectors, and the PowerPC instruction
set.
For a current list of PowerPC documentation, refer to the world-wide web at
http://www.mot.com/PowerPC.
Conventions
This document uses the following notational conventions:
Bold entries in Þgures and tables showing registers and parameter
RAM should be initialized by the user.
mnemonics Instruction mnemonics are shown in lowercase bold.
italics Italics indicate variable command parameters, for example, bcctrx.
Book titles in text are set in italics.
0x0 PreÞx to denote hexadecimal number
0b0 PreÞx to denote binary number
rA, rB Instruction syntax used to identify a source GPR
rD Instruction syntax used to identify a destination GPR
REG[FIELD] 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.
x In certain contexts, such as in a signal encoding or a bit Þeld,
indicates a donÕt care.
n Indicates an undeÞned numerical value
 NOT logical operator
& AND logical operator
| OR logical operator
Acronyms and Abbreviations
Table i contains acronyms and abbreviations used in this document. Note that the meanings
for some acronyms (such as SDR1 and DSISR) are historical, and the words for which an
acronym stands may not be intuitively obvious.
Bold