
CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS
6.12 BN (Branch relative if N = 1)
Execute the next instruction if the
■BN (Branch relative if N = 1)
Operation
N = 0: (PC) ← (PC) + 2 (Word addition)
N = 1: (PC) ← (PC) + 2 + rel (Word addition)
Assembler format
BN rel
Condition code (CCR)
N | Z | V | C |
|
|
|
|
- | - | - | - |
|
|
|
|
+: Changed by executing instruction
N:Not changed
Z:Not changed
V:Not changed
C:Not changed
Number of execution cycles: 4 (at divergence)/ 2 (at
Byte count: 2
OP code: FB
70