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BNE: Difference between revisions

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* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n133 page 123] on BNE
* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n133 page 123] on BNE
* [[MCS6500 Manual]] page 41 on BNE: https://archive.org/details/mos_microcomputers_programming_manual/page/n56
* [[MCS6500 Manual]] page 41 on BNE: https://archive.org/details/mos_microcomputers_programming_manual/page/n56
* [[Carr]] page 251 on BNE: https://archive.org/details/6502UsersManual/page/n264
* [[Carr]], [https://archive.org/details/6502UsersManual/page/n264 page 251] on BNE
* [[Leventhal]] page 3-47 on BNE: https://archive.org/details/6502-assembly-language-programming/page/n96
* [[Leventhal]] page 3-47 on BNE: https://archive.org/details/6502-assembly-language-programming/page/n96
* snes9x implementation of BNE: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1380
* snes9x implementation of BNE: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1380

Revision as of 14:18, 6 August 2024

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