IWT (Super FX): Difference between revisions

Latest revision as of 07:16, 28 November 2023


Basic Info
Opcode	Length	ROM Speed	RAM Speed	Cache Speed
Fnxxxx	3 bytes	9 cycles	9 cycles	3 cycle


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

IWT (Immediate Word Data?) is a Super FX instruction that loads two immediate bytes.

The official Super Nintendo development manual mispells the mnemonic as "ITW" in the opcode diagram.^[1]

@@ Line 1: / Line 1: @@
-'''IWT''' is a [[Super FX]] instruction that loads two immediate bytes.
+{| class="wikitable" style="float:right;clear:right;width:40%"
+!colspan="8"|Basic Info
+|+
+|'''Opcode'''
+|'''Length'''
+|'''ROM Speed'''
+|'''RAM Speed'''
+|'''Cache Speed'''
+|+
+|Fnxxxx
+|3 bytes
+|9 cycles
+|9 cycles
+|3 cycle
+|}
 {| 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
 |+
@@ Line 20: / Line 34: @@
 |.
 |}
+'''IWT''' (Immediate Word Data?) is a [[Super FX]] instruction that loads two immediate bytes.
+=== Trivia ===
+The official Super Nintendo development manual mispells the mnemonic as "ITW" in the opcode diagram.<sup>[1]</sup>
 === See Also ===
 * [[IBT]]
 * [[LDA]]
+* [[LEA]]
 === External Links ===
-* Official Nintendo documentation on IWT: https://archive.org/details/SNESDevManual/book2/page/n217
+# Official Nintendo documentation on IWT: [https://archive.org/details/SNESDevManual/book2/page/n218 Page 2-9-62 of Book II]
 [[Category:ASM]]
 [[Category:Super FX]]
 [[Category:Data Transfer Instructions]]
+[[Category:Three-byte Instructions]]