MIPS I-type instruction
= MIPS I-type instruction
{c}
The classic 32-<bit> layout is $\mathrm{op}:6,\mathrm{rs}:5,\mathrm{rt}:5,\mathrm{immediate}:16$. The second register field is named $\mathrm{rt}$, including when it denotes a destination; there is no separate $\mathrm{rd}$ field.