Commodore 64 - Page 61

BVC
Branch on Overflow Clear
Operation: Branch on V = 0
X Z C I D V
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Relative BVC aa
50 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 BVC aaaa), and
convert it to a relative address.
BVS
Branch on Overflow Set
Operation: Branch on V = 1
X z C I D V
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Relative BVS aa
70
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 BVS aaaa), and
convert it to a relative address.
CLC
Clear Carry Flag
Operation: 0-> C
N ZC I DV
- - 0
----
Addressing
Mode
Assembly Language
Form
OP
CODE
No
Bytes
No.
Cycles
Implied
CLC
18
1
2
59