BNE: Difference between revisions

Revision as of 06:48, 7 December 2023


Basic Info
Addressing Mode	Opcode	Length	Speed
Program Counter 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. The displacement may be -128 to 127.

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''' (Branch if Not Equal) is a 65x instruction that performs a jump if the [[zero flag]] is clear.  The displacement may be -128 to 127.
 ===== Cycle Penalties =====