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BPL: Difference between revisions
From SnesLab
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* [[Eyes & Lichty]] page on BPL: https://archive.org/details/0893037893ProgrammingThe65816/page/n460 | * [[Eyes & Lichty]] page on BPL: https://archive.org/details/0893037893ProgrammingThe65816/page/n460 | ||
* [[Labiak]] page on BPL: https://archive.org/details/Programming_the_65816/page/n133 | * [[Labiak]] page on BPL: https://archive.org/details/Programming_the_65816/page/n133 | ||
* [[MCS6500 Manual]] page on BPL: https://archive.org/details/mos_microcomputers_programming_manual/page/n55 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Inherited from 6502]] | [[Category:Inherited from 6502]] | ||
Revision as of 03:46, 16 May 2023
BPL (Branch if PLus) is a 65x instruction that performs a jump if the negative flag is clear. Note that zero is considered positive in the 65x architecture, so this instruction's behavior might be more accurately be described as "branch if non-negative."
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| relative | 10 | 2 byte | 3 cycles | ||||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |