Notation - Motorola CPU32 Reference Manual

II
4.2.1 Notation
Except where noted, the following notation is used in this section:
Data
Destination
Source
Vector
MOTOROLA
4-4
An
AX,Ay
Dn
Rc
Rn
Dh, DI
Dr, Dq
DX,Dy
Dym, Dyn
Xn
[An]
cc
d#
(ea)
#(data)
label
list
[
...
]
(
... )
CCR
Immediate data from an instruction
Destination contents
Source contents
Location of exception vector
Any address register (A7 to AO)
Address registers used in computation
Any data register (D7 to DO)
Control register (VBR, SFC, DFC)
Any address or data register
Data registers, high and low order 32 bits of product
Data registers, division remainder, division quotient
Data registers, used in computation
Data registers, table interpolation values
Index register
Address extension
Condition code
Displacement
Example: d16 is a 16-bit displacement
Effective address
Immediate data; a literal integer
Assembly program label
List of registers
Example: D3-DO
Bits of an operand
Examples: [7] is bit 7; [31 :24] are bits 31 to 24
Contents of a referenced location
Example: (Rn) refers to the contents of Rn
Condition code register (lower byte of status register)
X - extend bit
N - negative bit
Z - zero bit
V - ove rflow bit
C - carry bit
INSTRUCTION SET CPU32 REFERENCE MANUAL