S3C84E5/C84E9/P84E9

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 affect a timing delay of variable duration.

Flags: No flags are affected.

Format:

Bytes Cycles Opcode (Hex)

opc

1 4FF

Example: When the instruction NOP is executed in a program, no operation occurs. Instead, there happens a delay in instruction execution time which is of approximately one machine cycle per each NOP instruction encountered.

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Samsung S3C84E5 user manual NOP No Operation, Nop