INCW (SPC700): Difference between revisions

Latest revision as of 11:52, 28 November 2023


Basic Info
Addressing Mode	Opcode	Length	Speed
Direct Page	3A	2 bytes	6 cycles


Flags Affected
N	V	P	B	H	I	Z	C
	.	.	.	.	.		.

INCW is an SPC700 command that increments a 16-bit word of the direct page.

Official Super Nintendo development manual on INCW: Table C-12 in Appendix C-8 of Book I

@@ Line 1: / Line 1: @@
-'''INCW''' is an [[SPC700]] command that increments a 16-bit word of the [[direct page]].
+{| class="wikitable" style="float:right;clear:right;width:40%"
-{| class="wikitable" style="float:right;clear:right;width:30%"
 !colspan="8"|Basic Info
 |+
@@ Line 9: / Line 7: @@
 |'''Speed'''
 |+
-|direct page
+|[[Direct Page Addressing | Direct Page]]
 |3A
 |2 bytes
@@ Line 16: / Line 14: @@
 {| class="wikitable" style="float:right;clear:right;width:30%"
-!colspan="8"|Flags Clobbered
+!colspan="8"|Flags Affected
 |+
-|N
+|[[Negative Flag|N]]
-|V
+|[[Overflow Flag|V]]
-|P
+|[[Direct Page Flag|P]]
-|B
+|[[Break Flag|B]]
-|H
+|[[Half-Carry Flag|H]]
-|I
+|[[Interrupt Enable Flag|I]]
-|Z
+|[[Zero Flag|Z]]
-|C
+|[[Carry Flag|C]]
 |+
 |
@@ Line 36: / Line 34: @@
 |.
 |}
+'''INCW''' is an [[SPC700]] command that increments a 16-bit word of the [[direct page]].
 === See Also ===
 * [[DECW]]
+* [[MOVW]]
 === External Links ===
-* Official Super Nintendo development manual on INCW: [https://archive.org/details/SNESDevManual/book1/page/n233 Appendix C-8 of Book I]
+* Official Super Nintendo development manual on INCW: Table C-12 in [https://archive.org/details/SNESDevManual/book1/page/n233 Appendix C-8 of Book I]
 [[Category:ASM]]
 [[Category:SPC700]]
 [[Category:16-bit Operation Commands]]
+[[Category:Two-byte Instructions]]