INCW (SPC700): Difference between revisions

Latest revision as of 12:29, 30 July 2024


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


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

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

INCW dp

@@ Line 1: / Line 1: @@
-'''INCW''' is an [[SPC700]] command that increments a word.
+{| class="wikitable" style="float:right;clear:right;width:40%"
+!colspan="8"|Basic Info
+|+
+|'''Addressing Mode'''
+|'''Opcode'''
+|'''Length'''
+|'''Speed'''
+|+
+|[[Direct Page Addressing | Direct Page]]
+|3A
+|2 bytes
+|6 cycles
+|}
+{| class="wikitable" style="float:right;clear:right;width:30%"
+!colspan="8"|Flags Affected
+|+
+|[[Negative Flag|N]]
+|[[Overflow Flag|V]]
+|[[Direct Page Flag|P]]
+|[[Break Flag|B]]
+|[[Half-Carry Flag|H]]
+|[[Interrupt Enable Flag|I]]
+|[[Zero Flag|Z]]
+|[[Carry Flag|C]]
+|+
+|N
+|.
+|.
+|.
+|.
+|.
+|Z
+|.
+|}
+'''INCW''' is an [[SPC700]] command that increments a 16-bit word of the [[direct page]].
+==== Syntax ====
+<pre>
+INCW dp
+</pre>
+=== See Also ===
+* [[DECW]]
+* [[MOVW]]
+* [[INC (SPC700)]]
+* [[INC]]
+* [[Memory Pair]]
+=== External Links ===
+* 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]
+* anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L452
 [[Category:ASM]]
 [[Category:SPC700]]
 [[Category:16-bit Operation Commands]]
+[[Category:Two-byte Instructions]]