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BNE

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Basic Info
Addressing Mode Opcode Length Speed
Program Counter Relative D0 2 bytes 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.

No flags are affected.

Syntax

BNE nearlabel
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

External Links