• 0x00: NOP: does nothing.
• 0x01: Matrix: Set or multiply a matrix.
• 0x02: unknown/invalid
• 0x03: Something to do with color/memory management.
• 0x04: LoadVtx: Load into vertex cache.
• 0x05: unknown/invalid
• 0x06: CallList: Call a display list.
• 0x07: unknown/invalid
• 0x08: unknown/invalid
• 0x09: Sprite2DBase
• 0xAF: LoadUCode: Load new microcode program.
• 0xB0: BranchZ
• 0xB1: Draw2Triangles
• 0xB2: ModifyVertex
• 0xB3: RDPHalf1
• 0xB4: RDPHalf2
• 0xB5: DrawLine
• 0xB6: ClearGeometryMode
• 0xB7: SetGeometryMode
• 0xB8: EndList: Return from display list.
• 0xB9: SetOtherModeL
• 0xBA: SetOtherModeH
• 0xBB: unknown
• 0xBC: SetSegPtr: Set RSP segment pointers
• 0xBD: PopMtx: Pop matrix
• 0xBE: CullDL
• 0xBF: DrawTriangle
• 0xC0: RDPNOP
• 0xC8: TriFill
• 0xC9: TriFillZBuff
• 0xCA: TriTxtr
• 0xCB: TriTxtrZBuff
• 0xCC: TriShade
• 0xCD: TriShadeZBuff
• 0xCE: TriShadeTxtr
• 0xCF: TriShadeTxtrZBuff
• 0xE4: TexRect
• 0xE5: TexRectFlip
• 0xE6: RDPLoadSync
• 0xE7: RDPPipeSync
• 0xE8: RDPTileSync
• 0xE9: RDPFullSync
• 0xEA: SetKeyGB
• 0xEB: SetKeyR
• 0xEC: SetConvert
• 0xED: SetScissor
• 0xEE: SetPrimDepth
• 0xEF: RDPSetOtherMode
• 0xF0: LoadTLUT: Load Texture LookUp Table
• 0xF2: SetTileSize
• 0xF3: LoadBlock: Load texture data
• 0xF4: LoadTile
• 0xF5: SetTile: Set texture parameters
• 0xF6: FillRect
• 0xF7: SetFillColor
• 0xF8: SetFogColor
• 0xF9: SetBlendColor
• 0xFA: SetPrimColor
• 0xFB: SetEnvColor
• 0xFC: SetCombine
• 0xFD: SetTextureLoc: Set RSP address to load texture from
• 0xFE: SetZImg: Set Z-buffer image?
• 0xFF: SetCImg: Set clear image?