INSTRUCTION DESCRIPTIONS

NOP

No Operation

Operation:

Assembler Syntax:

PC+1PC

NOP

NOP

Description: Increment the program counter (PC). Pending pipeline actions, if any, are completed. Execution continues with the instruction following the NOP.

Example:

:

NOP;increment the program counter

:

Explanation of Example: The NOP instruction increments the program counter and completes any pending pipeline actions.

Condition Codes:

15

14

 

13

12

11

10

9

8

7

6

 

5

4

3

2

1

0

LF

DM

T

**

 

S1

S0

 

I1

I0

S

L

E

U

 

N

Z

 

V

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MR

 

 

 

 

 

 

 

 

 

 

 

CCR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The condition codes are not affected by this instruction.

A - 238

INSTRUCTION SET DETAILS

MOTOROLA

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Motorola 24-Bit Digital Signal Processor, DSP56000 manual No Operation, PC+1PC NOP