BNE: Difference between revisions

Revision as of 02:44, 25 November 2023


Basic Info
Addressing Mode	Opcode	Length	Speed
relative	D0	2 byte	2 cycles*


Flags Affected
N	V	M	X	D	I	Z	C
.	.	.	.	.	.	.	.

BNE (Branch if Not Equal) is a 65x instruction that performs a jump if the zero flag is clear.

BNE takes one additional cycle if the branch is taken
BNE takes another extra cycle if that branch taken crosses a page boundary in emulation mode.

@@ Line 35: / Line 35: @@
 |}
-'''BNE''' (Branch if Not Equal) is a 65x instruction that performs a jump if the [[zero flag]] is clear.  BNE takes one additional cycle if the branch is taken, and another if that branch crosses a page boundary in [[emulation mode]].
+'''BNE''' (Branch if Not Equal) is a 65x instruction that performs a jump if the [[zero flag]] is clear.
+===== Cycle Penalties =====
+* BNE takes one additional cycle if the branch is taken
+* BNE takes another extra cycle if that branch taken crosses a page boundary in [[emulation mode]].
 === See Also ===