Registers

`R-format`

Opcode = 0x0

Mnemonic	Operation	Funct	(binary)
`add`	`R[rd] = R[rs] + R[rt]`	`20`	`10 0000`
`addu`	`R[rd] = R[rs] + R[rt]`	`21`	`10 0001`
`and`	`R[rd] = R[rs] & R[rt]`	`24`	`10 0100`
`jr`	`PC = R[rs]`	`08`	`00 1000`
`nor`	`R[rd] = ~(R[rs] OR R[rt])`	`27`	`10 0111`
`or`	`R[rd] = R[rs] OR R[rt]`	`25`	`10 0101`
`slt`	`R[rd] = (R[rs] < R[rt]) ? 1 : 0`	`2a`	`10 1010`
`sltu`	`R[rd] = (R[rs] < R[rt]) ? 1 : 0`	`2b`	`10 1011`
`sll`	`R[rd] = R[rt] << shamt`	`0`	`00 0000`
`slt`	`R[rd] = R[rt] >> shamt`	`2`	`00 0010`
`sub`	`R[rd] = R[rs] - R[rt]`	`22`	`10 0010`
`subu`	`R[rd] = R[rs] - R[rt]`	`23`	`10 0011`

`I-format`

Mnemonic	Operation	Opcode	(binary)
`addi`	`R[rt] = R[rs] + SignExtImm`	`0x08`	`00 1000`
`addiu`	`R[rt] = R[rs] + SignExtImm`	`0x09`	`00 1001`
`andi`	`R[rt] = R[rs] & ZeroExtImm`	`0x0c`	`00 1100`
`beq`	`if (R[rs] == R[rt]) PC = PC + 4 + BranchAddr`	`0x04`	`00 0100`
`bne`	`if (R[rs] != R[rt]) PC = PC + 4 + BranchAddr`	`0x05`	`00 0101`
`lui`	`R[rt] = {imm, 16'b0}`	`0x0f`	`00 1111`
`lw`	`R[rt] = M[R[rs] + SignExtImm]`	`0x23`	`10 0011`
`ori`	`R[rt] = R[rs] or ZeroExtImm`	`0x0d`	`00 1101`
`slti`	`R[rt] = (R[rs] < SignExtImm) ? 1 : 0`	`0x0a`	`00 1010`
`sltiu`	`R[rt] = (R[rs] < SignExtImm) ? 1 : 0`	`0x0b`	`00 1011`
`sw`	`M[R[rs] + SignExtImm] = R[rt]`	`0x2b`	`10 1011`
`sb`	`M[R[rs] + SignExtImm](7:0) - R[rt](7:0)`	`0x28`	`10 1000`

`J-format`

Mnemonic	Operation	Opcode	(binary)
`j`	`PC = JumpAddr`	`0x02`	`00 0010`