beautypg.com

Samsung S3F80JB User Manual

Page 189

background image

S3F80JB

INSTRUCTION SET

6-61

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.