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BRA
From SnesLab
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Program Counter Relative | 80 | 2 byte | 3 cycles* | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
BRA (BRanch Always) is a 65c816 instruction that performs an unconditional jump. The signed displacement ranges from -128 to 127.
BRA is relocatable.
Cycle Penalty
- BRA takes one additional cycle if the branch crosses a page boundary in emulation mode.
See Also
External Links
- Eyes & Lichty page 435, on BRA: https://archive.org/details/0893037893ProgrammingThe65816/page/n461
- Labiak page 125 on BRA: https://archive.org/details/Programming_the_65816/page/n135
- snes9x implementation of BRA: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1390