# Form `B` — B — Conditional Branch

## Bit Layout

| Bits | Field | Meaning |
| --- | --- | --- |
| 0–5 | `OPCD` | primary opcode |
| 6–10 | `BO` | branch options |
| 11–15 | `BI` | CR bit to test |
| 16–29 | `BD` | signed 14-bit word-offset target |
| 30 | `AA` | absolute-address flag |
| 31 | `LK` | link flag |

## Instructions Using This Form

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| Mnemonic | Opcode | Group | Description |
| --- | --- | --- | --- |
| [`bcx`](../branch/bcx.md) | `0x40000000` | branch | Branch Conditional |

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