BR, JMP BRANCH, JUMP
|
Purpose |
transfer control |
|
Format |
opcode displ.bx Branch opcode dst.ab Jump |
|
Operation |
PC ß PC +SEXT (displ); Branch PC ß dst; Jump |
|
Condition codes |
N ß N; Z ß Z; V ß V; C ß C; |
|
Exceptions |
none |
|
Opcodes |
11 BRB Branch With Byte Displacement 31 BRW Branch With Word Displacement 17 JMP Jump |
|
Description |
For branch, the sign-extended branch displacement is added to PC and PC is replaced by the result. For Jump, the PC is replaced by the destination operand. |