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Opcodes for the 6502 ISA — 178 rows, last changed
5 months
ago, licensed under ODC-By-1.0
| Row ID | opcode | mnemonic | mode | base_cycles | force_cycles | bytes | pattern |
|---|---|---|---|---|---|---|---|
| 1 | 0 | BRK | Immediate | 7 | <NA> | 2 | BRK #$hh |
| 2 | 1 | ORA | ZeroPageIndexedIndirect | 6 | <NA> | 2 | ORA ($hh,X) |
| 3 | 4 | TSB | ZeroPage | 5 | <NA> | 2 | TSB $hh |
| 4 | 5 | ORA | ZeroPage | 3 | <NA> | 2 | ORA $hh |
| 5 | 6 | ASL | ZeroPage | 5 | <NA> | 2 | ASL $hh |
| 6 | 8 | PHP | Implied | 3 | <NA> | 1 | PHP |
| 7 | 9 | ORA | Immediate | 2 | <NA> | 2 | ORA #$hh |
| 8 | 10 | ASL | Accumulator | 5 | 2 | 1 | ASL |
| 9 | 12 | TSB | Absolute | 6 | <NA> | 3 | TSB $hhhh |
| 10 | 13 | ORA | Absolute | 4 | <NA> | 3 | ORA $hhhh |