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NOP (Super FX): Difference between revisions
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{| class="wikitable" style="float:right;clear:right;width: | {| class="wikitable" style="float:right;clear:right;width:50%" | ||
!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
|+ | |+ | ||
|'''Addressing Mode''' | |||
|'''Opcode''' | |'''Opcode''' | ||
|'''Length''' | |'''Length''' | ||
Line 8: | Line 9: | ||
|'''Cache Speed''' | |'''Cache Speed''' | ||
|+ | |+ | ||
|[[Implied]] (type 3) | |||
|01 | |01 | ||
|1 byte | |1 byte | ||
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!colspan="9"|Flags Affected | !colspan="9"|Flags Affected | ||
|+ | |+ | ||
|B | |[[B Flag|B]] | ||
|[[ALT1]] | |[[ALT1]] | ||
|[[ALT2]] | |[[ALT2]] | ||
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|[[Sign Flag|S]] | |[[Sign Flag|S]] | ||
|[[CY]] | |[[CY]] | ||
|Z | |[[Zero Flag|Z]] | ||
|+ | |+ | ||
|0 | |0 | ||
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|} | |} | ||
'''NOP''' (No Operation) is a [[Super FX]] instruction that does almost nothing, other than clear some flags. | '''NOP''' (No Operation) is a [[Super FX]] instruction that does almost nothing, other than clear some flags and increment the program counter by one. | ||
The [[ALT0]] state is restored. | |||
==== Syntax ==== | |||
<pre> | |||
NOP | |||
</pre> | |||
=== See Also === | === See Also === | ||
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=== External Links === | === External Links === | ||
* Official Nintendo documentation on NOP: [https://archive.org/details/SNESDevManual/book2/page/n251 Page 2-9-95 of Book II] | * Official Nintendo documentation on NOP: 9.68 on [https://archive.org/details/SNESDevManual/book2/page/n251 Page 2-9-95 of Book II] | ||
[[Category:ASM]] | [[Category:ASM]] |
Latest revision as of 00:18, 13 July 2024
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
Implied (type 3) | 01 | 1 byte | 3 cycles | 3 cycles | 1 cycle |
Flags Affected | ||||||||
---|---|---|---|---|---|---|---|---|
B | ALT1 | ALT2 | O/V | S | CY | Z | ||
0 | 0 | 0 | . | . | . | . |
NOP (No Operation) is a Super FX instruction that does almost nothing, other than clear some flags and increment the program counter by one.
The ALT0 state is restored.
Syntax
NOP
See Also
External Links
- Official Nintendo documentation on NOP: 9.68 on Page 2-9-95 of Book II