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CLRV (SPC700): Difference between revisions
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'''CLRV''' (Clear Overflow) is | {| class="wikitable" style="float:right;clear:right;width:40%" | ||
!colspan="8"|Basic Info | |||
|+ | |||
|'''Addressing Mode''' | |||
|'''Opcode''' | |||
|'''Length''' | |||
|'''Speed''' | |||
|+ | |||
|[[Implied]] (type 2) | |||
|E0 | |||
|1 byte | |||
|2 cycles | |||
|} | |||
{| class="wikitable" style="float:right;clear:right;width:30%" | |||
!colspan="8"|Flags Affected | |||
|+ | |||
|[[Negative Flag|N]] | |||
|[[Overflow Flag|V]] | |||
|[[Direct Page Flag|P]] | |||
|[[Break Flag|B]] | |||
|[[Half-Carry Flag|H]] | |||
|[[Interrupt Enable Flag|I]] | |||
|[[Zero Flag|Z]] | |||
|[[Carry Flag|C]] | |||
|+ | |||
|. | |||
|0 | |||
|. | |||
|. | |||
|0 | |||
|. | |||
|. | |||
|. | |||
|} | |||
'''CLRV''' (Clear Overflow) is an [[SPC700]] instruction that clears the [[overflow flag]] and [[half-carry flag]]. | |||
No other flags are affected. | |||
==== Syntax ==== | |||
<pre> | |||
CLRV | |||
</pre> | |||
=== See Also === | |||
* [[CLRP]] | |||
* [[CLRC]] | |||
* [[CLV]] | |||
* [[BVC (SPC700)]] | |||
=== External Links === | |||
* Official Super Nintendo development manual on CLRV: Table C-19 in [https://archive.org/details/SNESDevManual/book1/page/n235 Appendix C-10 of Book I] | |||
* anomie: https://github.com/yupferris/TasmShiz/blob/8fabc9764c33a7ae2520a76d80ed7220bb939f12/spc700.txt#L386 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category: | [[Category:SPC700]] | ||
[[Category:Program Status Flag Operation Commands]] | |||
[[Category:One-byte Instructions]] | |||
Latest revision as of 03:28, 9 August 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 2) | E0 | 1 byte | 2 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | 0 | . | . | 0 | . | . | . |
CLRV (Clear Overflow) is an SPC700 instruction that clears the overflow flag and half-carry flag.
No other flags are affected.
Syntax
CLRV
See Also
External Links
- Official Super Nintendo development manual on CLRV: Table C-19 in Appendix C-10 of Book I
- anomie: https://github.com/yupferris/TasmShiz/blob/8fabc9764c33a7ae2520a76d80ed7220bb939f12/spc700.txt#L386