CLR1 (SPC700)

Basic Info
Addressing Mode	Opcode	Length	Speed
	12	2 bytes	4 cycles
	32	2 bytes	4 cycles
	52	2 bytes	4 cycles
	72	2 bytes	4 cycles
	92	2 bytes	4 cycles
	B2	2 bytes	4 cycles
	D2	2 bytes	4 cycles
	F2	2 bytes	4 cycles

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

CLR1 is an SPC700 command that clears a bit in a direct page byte. The byte following the opcode determines which byte. The high nibble of the opcode determines which bit within that byte.

See Also

• SET1

External Links

• Official Nintendo documentation on CLR1: Appendix C-9 of Book I