SAGA/Bytecode Instruction Table
< SAGA
| Opcode | Instruction | Format | Description |
| 01 | ALGN | - | Align to next offset unit |
| 02 | PSHN | - | Push stack (no value) |
| 03 | POPN | - | Pop stack and discard result |
| 04 | PSHF | - | Push 0 onto stack |
| 05 | PSHT | - | Push 1 onto stack |
| 06 | PUSH | [ w ] | Push immediate onto stack |
| 08 | PSHD | [ w ] | Push dialogue string index onto stack |
| 0B | TSTF | [b][ w ] | Test Flag |
| 0C | GETW | [b][ w ] | Get Word |
| 0F | MODF | [b][ w ] | Set / Clear Flag |
| 10 | PUTW | [b][ w ] | Put Word |
| 13 | MDFP | [b][ w ] | Set / Clear Flag, Pop |
| 14 | PTWP | [b][ w ] | Put Word, Pop |
| 17 | GOSB | [b][b][ w ] | Call Subroutine |
| 18 | CALL | [b][ w ] | Call function |
| 19 | CALL | [b][ w ] | Call function |
| 1A | ENTR | [ w ] | Entrypoint |
| 1B | ? | - | |
| 1C | EXIT | - | Exit script processing |
| 1D | JMP | [ w ] | Unconditional jump |
| 1E | JNZP | [ w ] | Jump if Not Zero, Pop |
| 1F | JZP | [ w ] | Jump if Zero, Pop |
| 20 | JNZ | [ w ] | Jump if Not Zero |
| 21 | JZ | [ w ] | Jump if Zero |
| 22 | SWCH | [ w ]([ w ][ w ])*n [ w ] | Switch |
| 24 | RJMP | [ w ][ w ]([ w ][ w ])*n | Random branch |
| 25 | NEG | - | Negate |
| 26 | TSTZ | - | Test for zero |
| 27 | NOT | - | Binary NOT |
| 28 | ? | [b][ w ] | |
| 29 | ? | [b][ w ] | |
| 2A | ? | [b][ w ] | |
| 2B | ? | [b][ w ] | |
| 2C | ADD | - | Add |
| 2D | SUB | - | Subtract |
| 2E | MULT | - | Multiply |
| 2F | DIV | - | Divide |
| 30 | MOD | - | Modulus |
| 33 | EQU | - | Test Equality |
| 34 | NEQU | - | Test Inequality |
| 35 | GRT | - | Test Greater-than |
| 36 | LST | - | Test Less-than |
| 37 | GRTE | - | Test Greater-than or Equal |
| 38 | LSTE | - | Test Less-than or Equal |
| 3F | SHR | - | Arithmetic Bitshift Right |
| 40 | SHL | - | Arithmetic Bitshift Left |
| 41 | AND | - | Binary AND |
| 42 | OR | - | Binary OR |
| 43 | XOR | - | Binary XOR |
| 44 | LAND | - | Logical AND |
| 45 | LOR | - | Logical OR |
| 46 | LXOR | - | Logical XOR |
| 53 | DLGP | [b][ w ][b][ w ] | Play character dialogue |
| 54 | DLGS | - | Setup dialogue tree |
| 55 | DLGX | - | Run dialogue tree |
| 56 | DLGO | [b][b]([ w ]) | Add dialogue tree option |
| 57 | JMPS | [ w ][ w ][b] | Short jump |