Commodore VIC-20 Programmer's Reference Manual page 163

UVC Branch on over/low clear
Opt fat ion: Uranch on V - 0
(Kef: 4.1.1.8)
BVC
N 2 C £ D V
Address ing
Mode
Relative
Assently Lan^ujgo
Furm
BVC Oper
OP
CODE
50
No.
Bytes
2
No.
Cycles
2*
* Add l it: branch occurs Co sam
* Add 2 If branch occurs to different page.
BVS tlrattch an overflow
Operation: Branch or V - 1
(Ref: i.1.1.7)
BVS
N 2 C I D V
Addressing
Mode
Meljtive
Assembly Language
Form
BVS Oper
0?
3>-ces
7
No.
Cycles
* Add 1 ii branch occurs to sane page
* Add 2 if branch occurs to different page.
CLC
Operation: 3 * C
CLC Ctffitf inrry
<Rcf: D.0.2)
CLC
N K C 1 D V
Addressing
Moda
Implied
Ass tmb 1 y Lan gu^gt^
CLC
OP
CODE
18
No.
Bytts
1
Ho,
Cycles
2
147