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CLV: Difference between revisions
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!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
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|'''Speed''' | |'''Speed''' | ||
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| | |[[Implied]] (type 2) | ||
|B8 | |B8 | ||
|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="9"|Flags | !colspan="9"|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]] | ||
|+ | |+ | ||
|. | |. | ||
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|} | |} | ||
'''CLV''' is a 65x instruction that clears the [[overflow flag]]. | |||
=== See Also === | |||
* [[CLC]] | |||
* [[CLRV]] | |||
* [[REP]] | |||
* [[BIT]] | |||
=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page on CLV: https://archive.org/details/0893037893ProgrammingThe65816/page/n470 | * [[Eyes & Lichty]] page 444, on CLV: https://archive.org/details/0893037893ProgrammingThe65816/page/n470 | ||
* [[Labiak]] page on CLV: https://archive.org/details/Programming_the_65816/page/n143 | * [[Labiak]] page 133 on CLV: https://archive.org/details/Programming_the_65816/page/n143 | ||
* [[MCS6500 Manual]] page on CLV: https://archive.org/details/mos_microcomputers_programming_manual/page/n43 | * [[MCS6500 Manual]] page 28 on CLV: https://archive.org/details/mos_microcomputers_programming_manual/page/n43 | ||
* [[Carr]] page on CLV: https://archive.org/details/6502UsersManual/page/n267 | * [[Carr]] page 254 on CLV: https://archive.org/details/6502UsersManual/page/n267 | ||
* [[Leventhal]] page on CLV: https://archive.org/details/6502-assembly-language-programming/page/n104 | * [[Leventhal]] page 3-55 on CLV: https://archive.org/details/6502-assembly-language-programming/page/n104 | ||
* snes9x implementation of CLV: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1434 | * snes9x implementation of CLV: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1434 | ||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Inherited from 6502]] | [[Category:Inherited from 6502]] | ||
[[Category:One-byte Instructions]] | |||
[[Category:Implied Instructions]] | |||
[[Category:Two-cycle Instructions]] | |||
Latest revision as of 11:43, 14 December 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 2) | B8 | 1 byte | 2 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | 0 | . | . | . | . | . | . | |
CLV is a 65x instruction that clears the overflow flag.
See Also
External Links
- Eyes & Lichty page 444, on CLV: https://archive.org/details/0893037893ProgrammingThe65816/page/n470
- Labiak page 133 on CLV: https://archive.org/details/Programming_the_65816/page/n143
- MCS6500 Manual page 28 on CLV: https://archive.org/details/mos_microcomputers_programming_manual/page/n43
- Carr page 254 on CLV: https://archive.org/details/6502UsersManual/page/n267
- Leventhal page 3-55 on CLV: https://archive.org/details/6502-assembly-language-programming/page/n104
- snes9x implementation of CLV: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1434