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CLRP (SPC700): Difference between revisions
From SnesLab
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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) | ||
|20 | |20 | ||
|1 byte | |1 byte | ||
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!colspan="8"|Flags | !colspan="8"|Flags Affected | ||
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|N | |[[Negative Flag|N]] | ||
|V | |[[Overflow Flag|V]] | ||
|P | |[[Direct Page Flag|P]] | ||
|B | |[[Break Flag|B]] | ||
|H | |[[Half-Carry Flag|H]] | ||
|I | |[[Interrupt Enable Flag|I]] | ||
|Z | |[[Zero Flag|Z]] | ||
|C | |[[Carry Flag|C]] | ||
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'''CLRP''' (Clear Page) is an [[SPC700]] instruction that clears the [[direct page flag]], making the [[direct page]] coincident with the [[zero page]]. | |||
No other flags are affected. | |||
==== Syntax ==== | |||
<pre> | |||
CLRP | |||
</pre> | |||
[[File:spc700 dp.png]] | |||
=== See Also === | === See Also === | ||
* [[SETP]] | * [[SETP]] | ||
* [[CLRV]] | |||
* [[CLRC]] | |||
=== External Links === | === External Links === | ||
* Official Nintendo | * Official Super Nintendo development manual on CLRP: 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#L385 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:SPC700]] | [[Category:SPC700]] | ||
[[Category:Program Status Flag Operation Commands]] | [[Category:Program Status Flag Operation Commands]] | ||
[[Category:One-byte Instructions]] | |||
Latest revision as of 21:54, 14 August 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 2) | 20 | 1 byte | 2 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | 0 | . | . | . | . | . |
CLRP (Clear Page) is an SPC700 instruction that clears the direct page flag, making the direct page coincident with the zero page.
No other flags are affected.
Syntax
CLRP
See Also
External Links
- Official Super Nintendo development manual on CLRP: Table C-19 in Appendix C-10 of Book I
- anomie: https://github.com/yupferris/TasmShiz/blob/8fabc9764c33a7ae2520a76d80ed7220bb939f12/spc700.txt#L385