NOP (Super FX): Difference between revisions

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.

NOP

@@ Line 1: / Line 1: @@
-{| class="wikitable" style="float:right;clear:right;width:40%"
+{| class="wikitable" style="float:right;clear:right;width:50%"
 !colspan="8"|Basic Info
 |+
+|'''Addressing Mode'''
 |'''Opcode'''
 |'''Length'''
@@ Line 8: / Line 9: @@
 |'''Cache Speed'''
 |+
+|[[Implied]] (type 3)
 |01
 |1 byte
@@ Line 16: / Line 18: @@
 {| class="wikitable" style="float:right;clear:right;width:30%"
-!colspan="9"|Flags Clobbered
+!colspan="9"|Flags Affected
 |+
-|B
+|[[B Flag|B]]
-|ALT1
+|[[ALT1]]
-|ALT2
+|[[ALT2]]
-|O/V
+|[[O/V]]
-|S
+|[[Sign Flag|S]]
-|CY
+|[[CY]]
-|Z
+|[[Zero Flag|Z]]
 |+
 |0
@@ Line 35: / Line 37: @@
 |}
-'''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 ===
 * [[NOP]]
+* [[WDM]]
+* [[NOP (SPC700)]]
 === 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:Super FX]]
 [[Category:GSU Control Instructions]]
+[[Category:One-byte Instructions]]