Samsung S3F80JB - Manual (Page 189)

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.