S3F80JB

INSTRUCTION SET

 

 

NOP — No Operation

NOP

Operation: No action is performed when the CPU executes this instruction. Typically, one or more NOPs are executed in sequence in order to effect a timing delay of variable duration.

Flags:

No flags are affected.

 

 

 

Format:

 

 

 

 

 

 

 

 

 

 

Bytes

Cycles

Opcode

 

 

 

 

 

 

(Hex)

 

 

opc

 

1

4

FF

Example:

 

 

 

 

 

 

When the instruction

 

 

 

 

NOP

 

 

 

is encountered in a program, no operation occurs. Instead, there is a delay in instruction execution time.

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Image 189
Samsung S3F80JB manual NOP No Operation, Nop, When the instruction