SET1 (SPC700): Difference between revisions

Revision as of 20:37, 6 July 2024


Basic Info
Addressing Mode	Opcode	Length	Speed
Direct Page Bit	02	2 bytes	4 cycles
Direct Page Bit	22	2 bytes	4 cycles
Direct Page Bit	42	2 bytes	4 cycles
Direct Page Bit	62	2 bytes	4 cycles
Direct Page Bit	82	2 bytes	4 cycles
Direct Page Bit	A2	2 bytes	4 cycles
Direct Page Bit	C2	2 bytes	4 cycles
Direct Page Bit	E2	2 bytes	4 cycles


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

SET1 is an SPC700 command that sets a bit in a direct page byte. The byte following the opcode determines which byte. The most significant 3 bits of the opcode determines which bit within that byte.

Syntax

SET1 dip. bit

External Links

Official Nintendo documentation on SET1: Table C-18 in Appendix C-9 of Book I
subparagraph 8.2.3.1 of page 3-8-8, lbid.
http://www.ffviman.fr/switch-snes/sf-sound.html

@@ Line 71: / Line 71: @@
 '''SET1''' is an [[SPC700]] command that sets a bit in a [[direct page]] byte.  The byte following the opcode determines which byte.  The most significant 3 bits of the opcode determines which bit within that byte.
+==== Syntax ====
+<pre>
+SET1 dip. bit
+</pre>
 === See Also ===