Commodore 64 Handbook page 60

BNE
Branch on Result Not E qual to Zero
Operation: Branch on Z = 0
N Z C I D V
Addressing
Mode
Assem bly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
R elative BN E aa
DO 2
2 *
*Add 1 if branch occurs to same page.
Add 2 if branch occurs to different page.
Note: AIM 65 w ill accept an absolute address as the operand (instruction format BNE aaaa), and
convert it to a relative address.
BPL
Branch on Result Plus
Operation: Branch on N = 0
N Z C I D V
Addressing
Mode
Assem bly Language
Form
O P
CO DE
No.
Bytes
No.
Cycles
R elative
BPL aa 10
2
2 *
*Add 1 if branch occurs to same page.
Add 2 if branch occurs to different page.
Note: AIM 65 w ill accept an absolute address as the operand (instruction format BPL aaaa), and
convert it to a relative address.
BRK
Force Break
Operation: Forced Interrupt PC + 2
i
P 4
B N Z C I D V
1
---- I ---
Addressing
Mode
Assem bly Language
Form
O P
CODE
No.
Bytes
No.
Cycles
Im p lied BRK 00 1 7
58