Conventions - Motorola MPC750 User Manual

PowerPC Microprocessor Family: The Programmer's Reference Guide:
MPCPRG/D (Motorola order
#)
is a concise reference that includes the register
summary, memory control model, exception vectors, and the PowerPC instruction
set.
• PowerPC Microprocessor Family: The Programmer:5 Pocket Reference Guide:
MPCPRGREFID (Motorola order
#)
This foldout card provides an overview of the PowerPC registers, instructions, and
exceptions for 32-bit implementations.
• Application notes-These short documents contain useful information about
specific design issues useful to programmers and engineers working with PowerPC
processors.
• Documentation for support chips-These include the following:
- MPC105 PCl Bridge/Memory Controller User's Manual:
MPCl05UM/AD (Motorola order
#)
- MPCI06 PCl Bridge/Memory Controller User's Manual:
MPCI06UM/AD (Motorola order
#)
Additional literature on PowerPC implementations is being released as new processors
become available. For a current list of PowerPC documentation, refer to the world-wide
web at http://www.motorola.com/PowerPCI.
Conventions
This document uses the following notational conventions:
mnemonics
italics
OxO
ObO
rA, rB
rD
frA, frB, frC
frD
REG [FIELD]
x
n
AboutThis Book
Instruction mnemonics are shown in lowercase bold.
Italics indicate variable command parameters, for example, bcctrx.
Book titles in text are set in italics.
Prefix to denote hexadecimal number
Prefix to denote binary number
Instruction syntax used to identify a source GPR
Instruction syntax used to identify a destination GPR
Instruction syntax used to identify a source FPR
Instruction syntax used to identify a destination FPR
Abbreviations or acronyms for registers are shown in uppercase text.
Specific bits, fields, or 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 a signal encoding, this indicates a don't
care.
Used to express an undefined numerical value
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