pub const ADDI: u32 = 0x0;
pub const SLLI: u32 = 0x1;
pub const SLTI: u32 = 0x2;
pub const SLTIU: u32 = 0x3;
pub const XORI: u32 = 0x4;
pub const SRLI_SRAI: u32 = 0x5;
pub const ORI: u32 = 0x6;
pub const ANDI: u32 = 0x7;

pub const ADD_SUB: u32 = 0x0;
pub const SLL: u32 = 0x1;
pub const SLT: u32 = 0x2;
pub const SLTU: u32 = 0x3;
pub const XOR: u32 = 0x4;
pub const SRL_SRA: u32 = 0x5;
pub const OR: u32 = 0x6;
pub const AND: u32 = 0x7;

pub const LW: u32 = 0x2;

pub const SW: u32 = 0x2;