Commodore 128 Programmer's Reference Manual page 175

n
n
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MACHINE LANGUAGE ON THE COMMODORE 128 165
BPL BPL Branch on result plus BPL
Operation: Branch on N = 0 NZCIDV
ADDRESSING
MODE
Relative
ASSEMBLY
LANGUAGE FORM
BPL Oper
OP
CODE
10
NO.
BYTES
2
NO.
CYCLES
2*
I I
I ;
n* Add 1 if branch occurs to same page.
* Add 2 if branch occurs to different page.
H BRK BRK Force Break BRK
i Operation: Forced Interrupt PC + 2 j P j NZCIDV
- _ _ 1 - _
ADDRESSING ASSEMBLY OP NO. NO.
MODE LANGUAGE FORM CODE BYTES CYCLES
Implied BRK 00 1 7
1. A BRK command cannot be masked by setting I.
BVC BVC Branch on overflow clear BVC
Operation: Branch on V = 0 NZCIDV
ADDRESSING ASSEMBLY OP NO. NO.
MODE LANGUAGE FORM CODE BYTES CYCLES
Relative BVC Oper 50 2 2*
* Add 1 if branch occurs to same page.
* Add 2 if branch occurs to different page.
BVS BVS Branch on overflow set BVS
Operation: Branch onV = l NZCIDV
ADDRESSING ASSEMBLY OP NO. NO.
MODE LANGUAGE FORM CODE BYTES CYCLES
Relative BVS Oper 70 2 2*
* Add 1 if branch occurs to same page.
* Add 2 if branch occurs to different page.