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NOP: Difference between revisions
From SnesLab
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|'''Speed''' | |'''Speed''' | ||
|+ | |+ | ||
| | |[[Implied]] (type 3) | ||
|EA | |EA | ||
|1 byte | |1 byte | ||
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{| 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 43: | Line 43: | ||
=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page on NOP: https://archive.org/details/0893037893ProgrammingThe65816/page/n496 | * [[Eyes & Lichty]] page 470, on NOP: https://archive.org/details/0893037893ProgrammingThe65816/page/n496 | ||
* [[Labiak]] page on NOP: https://archive.org/details/Programming_the_65816/page/n165 | * lbid. https://archive.org/details/0893037893ProgrammingThe65816/page/n289 | ||
* [[Carr]] page on NOP: https://archive.org/details/6502UsersManual/page/n278 | * [[Labiak]] page 155 on NOP: https://archive.org/details/Programming_the_65816/page/n165 | ||
* [[Leventhal]] page on NOP: https://archive.org/details/6502-assembly-language-programming/page/n127 | * [[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 | * 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 | * undisbeliever on NOP: https://undisbeliever.net/snesdev/65816-opcodes.html#nop-no-operation | ||
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[[Category: ASM]] | [[Category: ASM]] | ||
[[Category:Inherited from 6502]] | [[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