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NOT1 (SPC700): Difference between revisions
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!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
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|'''Speed''' | |'''Speed''' | ||
|+ | |+ | ||
| | |[[Absolute Boolean Bit]] | ||
|EA | |EA | ||
|3 | |3 bytes | ||
|5 cycles | |5 cycles | ||
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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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|. | |. | ||
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'''NOT1''' is an [[SPC700]] instruction that flips a bit. The low 13 bits of the operand specify an absolute address. The high 3 bits of the operand specify which bit at that absolute address. The bit flipped can live at any [[ARAM]] address from 0000h to 1fffh. | |||
No flags are affected. | |||
==== Syntax ==== | |||
<pre> | |||
NOT1 mem. bit | |||
</pre> | |||
=== See Also === | |||
* [[NOTC]] | |||
* [[OR1]] | |||
* [[AND1]] | |||
* [[EOR1]] | |||
* [[MOV1]] | |||
=== External Links === | === External Links === | ||
* Official Nintendo documentation on NOT1: https://archive.org/details/SNESDevManual/book1/page/n234 | * Official Nintendo documentation on NOT1: Table C-18 in [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] | ||
* subparagraph 8.2.3.3 of [https://archive.org/details/SNESDevManual/book1/page/n186 page 3-8-8], lbid. | |||
* anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L514 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:SPC700]] | [[Category:SPC700]] | ||
[[Category:Bit Operation Commands]] | [[Category:Bit Operation Commands]] | ||
[[Category:Three-byte Instructions]] | |||
Latest revision as of 21:25, 13 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Absolute Boolean Bit | EA | 3 bytes | 5 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | . |
NOT1 is an SPC700 instruction that flips a bit. The low 13 bits of the operand specify an absolute address. The high 3 bits of the operand specify which bit at that absolute address. The bit flipped can live at any ARAM address from 0000h to 1fffh.
No flags are affected.
Syntax
NOT1 mem. bit
See Also
External Links
- Official Nintendo documentation on NOT1: Table C-18 in Appendix C-9 of Book I
- subparagraph 8.2.3.3 of page 3-8-8, lbid.
- anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L514