IBT: Difference between revisions

Latest revision as of 07:08, 28 November 2023


Basic Info
Opcode	Length	ROM Speed	RAM Speed	Cache Speed
Anpp	2 bytes	6 cycles	6 cycles	2 cycles


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

IBT (Immediate Byte Data?) is a Super FX instruction that loads an immediate value into a specified register. Its upper eight bits will be set to the same value as bit 7, effectively loading a signed 8-bit value.

External Links

Official Nintendo documentation on IBT: Page 2-9-60 of Book II

@@ Line 1: / Line 1: @@
-'''IBT''' is a [[Super FX]] instruction that loads an immediate value.
+{| class="wikitable" style="float:right;clear:right;width:40%"
+!colspan="8"|Basic Info
+|+
+|'''Opcode'''
+|'''Length'''
+|'''ROM Speed'''
+|'''RAM Speed'''
+|'''Cache Speed'''
+|+
+|Anpp
+|2 bytes
+|6 cycles
+|6 cycles
+|2 cycles
+|}
 {| 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: @@
 |.
 |}
+'''IBT''' (Immediate Byte Data?) is a [[Super FX]] instruction that loads an immediate value into a specified register. Its upper eight bits will be set to the same value as bit 7, effectively loading a signed 8-bit value.
 === See Also ===
+* [[IWT]]
 * [[LDA]]
+=== External Links ===
+* Official Nintendo documentation on IBT: [https://archive.org/details/SNESDevManual/book2/page/n216 Page 2-9-60 of Book II]
 [[Category:ASM]]
-[[Category:Enhancement Chips]]
+[[Category:Super FX]]
+[[Category:GSU_Control_Instructions]]
+[[Category:Two-byte Instructions]]