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CLV: Difference between revisions
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'''CLV''' is a 65x instruction that clears the [[overflow flag]]. | '''CLV''' is a 65x instruction that clears the [[overflow flag]]. | ||
No other flags are affected. | |||
==== Syntax ==== | ==== Syntax ==== | ||
Revision as of 23:10, 8 August 2024
| 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.
No other flags are affected.
Syntax
CLV
Example
Before BRA, this was a common way to always branch on the 6502:
CLV BVC nearlabel
See Also
External Links
- Eyes & Lichty, page 444 on CLV
- Labiak, page 133 on CLV
- 3.6.1 on MCS6500 Manual, page 28 on CLV
- Carr, page 254 on CLV
- Leventhal, page 3-55 on CLV
- snes9x implementation of CLV: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1434