Modes for addressing 65816 processor commands and corresponding codes.
Explanations of abbreviations:
| Addressing | Description of addressing | Example |
| IMP | Implied | CLC |
| ACC | Accumulator | ROR |
| IMM | Immediate | LDA #0 |
| DP | Direct page | STA $FE |
| ABS | Absolute | STX $E000 |
| ABSX | Absolute indexed by X | ADC $4004, X |
| ABSY | Absolute indexed by Y | SBC $8008, Y |
| DPX | Direct page indexed by X | LDY $A0, X |
| DPY | Direct page indexed by Y | STX $E0, Y |
| REL | Relative | BNE .loop |
| DPI | Indirect Direct page | ADC ($08) |
| DPIX | Direct page indirect pre-indexed by X | ORA ($C2,X) |
| DPIY | Direct page indirect post-indexed by Y | AND ($A5),Y |
| ABSI | Absolute indirect | JMP ($E120) |
| ABSIX | Absolute indirect indexed by X | JMP ($123E, X) |
| ABSL | Abosolute Long | STA $12E000 |
| ABSLX | Abosolute Long indexed by X | STA $12E000, X |
| DPIL | Direct Page Indirect Long | AND ($34) |
| DPILY | Direct Page Indirect Long indexed by Y | CMP ($56),Y |
| SR | Stack Relative | ORA ($56),S |
| SRIY | Stack Relative index by Y | AND ($65,S),Y |
| RELL | Relative Long | BRL $ACDC |
| XYC | Block Move | MVN $01, $02 |
| IMM2 | 16 bit Immediate | LDX !#3456 |