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NOP: Difference between revisions
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'''NOP''' (No OPeration) is an instruction that does nothing. | '''NOP''' (No OPeration) is an instruction that does nothing (other than increment the [[program counter]]). | ||
No flags are affected. | No flags are affected. | ||
Revision as of 13:59, 21 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 3) | EA | 1 byte | 2 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C |
| . | . | . | . | . | . | . | . |
NOP (No OPeration) is an instruction that does nothing (other than increment the program counter).
No flags are affected.
Syntax
NOP
See Also
External Links
- Eyes & Lichty page 470, on NOP: https://archive.org/details/0893037893ProgrammingThe65816/page/470
- lbid. https://archive.org/details/0893037893ProgrammingThe65816/page/n289
- Labiak page 155 on NOP: https://archive.org/details/Programming_the_65816/page/n165
- Carr page 265 on NOP: https://archive.org/details/6502UsersManual/page/n278
- Leventhal page 3-78 on NOP: https://archive.org/details/6502-assembly-language-programming/page/n127
- snes9x implementation of NOP: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1606
- undisbeliever on NOP: https://undisbeliever.net/snesdev/65816-opcodes.html#nop-no-operation
- http://www.6502.org/tutorials/6502opcodes.html#NOP