Conventions

The conventions used in the documentation

Operands
An	Any Address Register n (example: A3 is address register 3)
Dn	Any Data Register n (example: D5 is data register 5)
Rn	Any data or address registerData register D7–D0, used during compare.
PC	Program counter
SR	Status register
CCR	Condition codes register (low order byte of SR)
SSP	Supervisor stack pointer
USP	User stack pointer
SP	Active stack pointer (same as A7)
X	Extend flag of the CCR
N	Negative flag of the CCR
Z	Zero flag of the CCR
V	Overflow flag of the CCR
C	Carry flag of the CCR
Immediate data	Immediate data for the instruction
d	Address displacement
Source	Destination Source
contents	Destination contents
Vector	Location of exception vector
ea	Any valid effective address
Notation
+	Arithmetic addition or postincrement indicator
–	Arithmetic subtraction or predecrement indicator
×	Arithmetic multiplication
÷	Arithmetic division or conjunction symbol
~	Invert; operand is logically complemented.
Λ	Logical AND
V	Logical OR
⊕	Logical exclusive OR
→	Source operand is moved to destination operand.
←→	Two operands are exchanged.