MC68340 datasheet(151/441 Pages) FREESCALE

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MC68340 USER’S MANUAL

MOTOROLA

(...)

Contents of a referenced location

Example: (Rn) refers to the contents of Rn

CCR

Condition code register (lower byte of SR)

X—extend bit

N—negative bit

Z—zero bit

V—overflow bit

C—carry bit

Program counter

Active stack pointer

Status register

SSP

Supervisor stack pointer

USP

User stack pointer

Function code

DFC

Destination function code register

SFC

Source function code register

Arithmetic addition or postincrement

–

Arithmetic subtraction or predecrement

Arithmetic division or conjunction symbol

Arithmetic multiplication

Equal to

≠

Not equal to

Greater than

≥

Greater than or equal to

Less than

≤

Less than or equal to

Logical AND

Logical OR

⊕

Logical exclusive OR

Invert; operand is logically complemented

BCD

Binary-coded decimal, indicated by subscript

Example: Source10 is a BCD source operand.

LSW

Least significant word

MSW

Most significant word

{R/W}

Read/write indicator

In a description of an operation, a destination operand is placed to the right of source

operands and is indicated by an arrow (

⇒).

Freescale Semiconductor, Inc.

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