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NOP: Difference between revisions
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''' | {| class="wikitable" style="float:right;clear:right;width:40%" | ||
!colspan="8"|Basic Info | |||
|+ | |||
|'''Addressing Mode''' | |||
|'''Opcode''' | |||
|'''Length''' | |||
|'''Speed''' | |||
|+ | |||
|[[Implied]] (type 3) | |||
|EA | |||
|1 byte | |||
|2 cycles | |||
|} | |||
{| class="wikitable" style="float:right;clear:right;width:30%" | {| class="wikitable" style="float:right;clear:right;width:30%" | ||
!colspan="8"|Flags | !colspan="8"|Flags Affected | ||
|+ | |+ | ||
|N | |[[Negative Flag|N]] | ||
|V | |[[Overflow Flag|V]] | ||
|M | |[[M Flag|M]] | ||
|X | |[[X Flag|X]] | ||
|D | |[[Decimal Flag|D]] | ||
|I | |[[I Flag|I]] | ||
|Z | |[[Zero Flag|Z]] | ||
|C | |[[Carry Flag|C]] | ||
|+ | |+ | ||
|. | |. | ||
| Line 22: | Line 34: | ||
|. | |. | ||
|} | |} | ||
'''NOP''' (No OPeration) is an instruction that does nothing. | |||
=== See Also === | |||
* [[WDM]] | |||
* [[NOP (SPC700)]] | |||
* [[NOP (Super FX)]] | |||
=== External Links === | |||
* [[Eyes & Lichty]] page 470, on NOP: https://archive.org/details/0893037893ProgrammingThe65816/page/n496 | |||
* 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 | |||
[[Category: ASM]] | [[Category: ASM]] | ||
[[Category:Inherited from 6502]] | |||
[[Category:One-byte Instructions]] | |||
[[Category:Control Instructions]] | |||
[[Category:Implied Instructions]] | |||
[[Category:Two-cycle Instructions]] | |||
Latest revision as of 08:56, 15 December 2023
| 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.
See Also
External Links
- Eyes & Lichty page 470, on NOP: https://archive.org/details/0893037893ProgrammingThe65816/page/n496
- 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