| $00 | PAL01 | Set SGB Palette 0 & 1 |
| $01 | PAL23 | Set SGB Palette 2 & 3 |
| $02 | PAL03 | Set SGB Palette 0 & 3 |
| $03 | PAL12 | Set SGB Palette 1 & 2 |
| $04 | ATTR_BLK | “Block” Area Designation Mode |
| $05 | ATTR_LIN | “Line” Area Designation Mode |
| $06 | ATTR_DIV | “Divide” Area Designation Mode |
| $07 | ATTR_CHR | “1CHR” Area Designation Mode |
| $08 | SOUND | Sound On/Off |
| $09 | SOU_TRN | Transfer Sound PRG/DATA |
| $0A | PAL_SET | Set SGB Palette Indirect |
| $0B | PAL_TRN | Set System Color Palette Data |
| $0C | ATRC_EN | Enable/disable Attraction Mode |
| $0D | TEST_EN | Speed Function |
| $0E | ICON_EN | SGB Function |
| $0F | DATA_SND | SUPER NES WRAM Transfer 1 |
| $10 | DATA_TRN | SUPER NES WRAM Transfer 2 |
| $11 | MLT_REQ | Multiple Controllers Request |
| $12 | JUMP | Set SNES Program Counter |
| $13 | CHR_TRN | Transfer Character Font Data |
| $14 | PCT_TRN | Set Screen Data Color Data |
| $15 | ATTR_TRN | Set Attribute from ATF |
| $16 | ATTR_SET | Set Data to ATF |
| $17 | MASK_EN | Game Boy Window Mask |
| $18 | OBJ_TRN | Super NES OBJ Mode |
| $19 | PAL_PRI | System palette priority |