We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
BVC (SPC700): Difference between revisions
From SnesLab
(added syntax) |
(→Syntax: two's complement offset) |
||
(2 intermediate revisions by the same user not shown) | |||
Line 44: | Line 44: | ||
BVC rel | BVC rel | ||
</pre> | </pre> | ||
Where rel is a two's complement offset. | |||
=== See Also === | === See Also === | ||
* [[BVS (SPC700)]] | * [[BVS (SPC700)]] | ||
* [[BVC]] | * [[BVC]] | ||
* [[CLRV]] | |||
=== External Links === | === External Links === | ||
* Official Super Nintendo development manual on BVC: Table C-15, [https://archive.org/details/SNESDevManual/book1/page/n233 Appendix C-8 of Book I] | * Official Super Nintendo development manual on BVC: Table C-15, [https://archive.org/details/SNESDevManual/book1/page/n233 Appendix C-8 of Book I] | ||
* anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L364 | |||
[[Category:ASM]] | [[Category:ASM]] |
Latest revision as of 21:59, 4 August 2024
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | Speed | ||||
Program Counter Relative | 50 | 2 bytes | when condition false: 2 cycles
when condition true: 4 cycles |
Flags Affected | |||||||
---|---|---|---|---|---|---|---|
N | V | P | B | H | I | Z | C |
. | . | . | . | . | . | . | . |
BVC is an SPC700 instruction that performs a branch when the overflow flag is clear.
No flags are affected.
Syntax
BVC rel
Where rel is a two's complement offset.
See Also
External Links
- Official Super Nintendo development manual on BVC: Table C-15, Appendix C-8 of Book I
- anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L364