SWAP (Super FX): Difference between revisions

Revision as of 07:49, 28 November 2023


Basic Info
Opcode	Length	ROM Speed	RAM Speed	Cache Speed
4D	1 byte	3 cycles	3 cycles	1 cycle


Flags Affected
B	ALT1	ALT2	O/V	S	CY	Z
0	0	0	.		.

SWAP is a Super FX instruction that swaps two bytes. The low byte of the source register is written to the high byte of the destination register, and the high byte of the source register is written to the low byte of the destination register. The source register itself is left unchanged.

External Links

Official Nintendo documentation on SWAP: Page 2-9-120 of Book II

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-'''SWAP''' is a [[Super FX]] instruction that swaps two bytes.
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-{| class="wikitable" style="float:right;clear:right;width:40%"
 !colspan="8"|Basic Info
 |+
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 {| class="wikitable" style="float:right;clear:right;width:30%"
-!colspan="9"|Flags Clobbered
+!colspan="9"|Flags Affected
 |+
 |B
-|ALT1
+|[[ALT1]]
-|ALT2
+|[[ALT2]]
-|O/V
+|[[O/V]]
 |S
-|CY
+|[[CY]]
 |Z
 |+
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 |
 |}
+'''SWAP''' is a [[Super FX]] instruction that swaps two bytes.  The low byte of the [[source register]] is written to the high byte of the [[destination register]], and the high byte of the source register is written to the low byte of the destination register.  The source register itself is left unchanged.
+=== See Also ===
+* [[XBA]]
+* [[XCE]]
+* [[XCN]]
+=== External Links ===
+* Official Nintendo documentation on SWAP: [https://archive.org/details/SNESDevManual/book2/page/n276 Page 2-9-120 of Book II]
 [[Category:ASM]]
 [[Category:Super FX]]
 [[Category:Byte Transfer Instructions]]
+[[Category:One-byte Instructions]]