support 44 instructions
| R-Type | ADD | ADDU | SUB | SUBU | AND | OR | XOR | NOR | SLLV | SRLV | SRAV | SRA | SLT | SLTU | NOOP |
| immediate | ADDI | ADDIU | ANDI | ORI | XORI | SLL | SRL | SLTI | SLTIU | LUI | |||||
| Branch | BEQ | BGEZ | BGEZAL | BGTZ | BLEZ | BLTZ | BLTZAL | BNE | |||||||
| Jump | J | JAL | JR | ||||||||||||
| Memory | LB | LBU | LH | LHU | LW | SB | SH | SW |