NOT1 (SPC700): Difference between revisions

Latest revision as of 14:14, 29 December 2023


Basic Info
Addressing Mode	Opcode	Length	Speed
Absolute Boolean Bit	EA	3 byte	5 cycles


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

NOT1 is an SPC700 instruction that performs a complement of a bit. The low 13 bits of the operand specify an absolute address. The high 3 bits of the operand specify which bit at that absolute address.

External Links

Official Nintendo documentation on NOT1: Table C-18 in Appendix C-9 of Book I
subparagraph 8.2.3.3 of page 3-8-8, lbid.

@@ Line 1: / Line 1: @@
-'''NOT1''' is an [[SPC700]] instruction that performs an complement.
+{| class="wikitable" style="float:right;clear:right;width:40%"
-{| class="wikitable" style="float:right;clear:right;width:30%"
 !colspan="8"|Basic Info
 |+
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 |'''Speed'''
 |+
-|implied
+|[[Absolute Boolean Bit]]
 |EA
 |3 byte
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 {| 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: @@
 |.
 |}
+'''NOT1''' is an [[SPC700]] instruction that performs a complement of a bit.  The low 13 bits of the operand specify an absolute address.  The high 3 bits of the operand specify which bit at that absolute address.
+=== See Also ===
+* [[NOTC]]
+* [[OR1]]
+* [[AND1]]
+* [[EOR1]]
+* [[MOV1]]
+=== External Links ===
+* Official Nintendo documentation on NOT1: Table C-18 in [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I]
+* subparagraph 8.2.3.3 of [https://archive.org/details/SNESDevManual/book1/page/n186 page 3-8-8], lbid.
 [[Category:ASM]]
 [[Category:SPC700]]
+[[Category:Bit Operation Commands]]
+[[Category:Three-byte Instructions]]