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CLV: Difference between revisions
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(No other flags are affected) |
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==== Example ==== | ==== Example ==== | ||
Before [[BRA]], this was a common way to always branch on the 6502: | Before [[BRA]] was invented on the 65c02, this was a common way to always branch on the original 6502: | ||
<pre> | <pre> |
Revision as of 01:45, 10 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 was invented on the 65c02, this was a common way to always branch on the original 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