Commodore 64 - PEEKs and POKEs

BNE
Branch on Result Not Equal to Zero
Operation: Branch on Z = 0
N ZC I DV
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Relative BNE aa
DO 2
2*
*Add 1 if branch occurs to same page.
Add 2 if branch occurs to different page.
Note: AIM 65 will 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 ZC ID V
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Relative
BPL aa 10
2
2*
*Add 1 if branch occurs to same page.
Add 2 if branch occurs to different page.
Note: AIM 65 will 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 ZC I DV
1
---- I ---
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Implied BRK 00 1 7
58