MIPS Assembly/Memory Instructions

Load and store instructions use a special syntax: instr rt, imm(rs) The memory address used for the load or store is rs + imm. The immediate is sign-extended. Load Instructions lbu I Loads a byte and does not sign-extend the value. lhu I Loads a halfword, or two bytes, and does not sign-extend the value. The halfword must be aligned (i.e., it must start at an even address). lw I Loads a word (four-bytes) from memory. The word must be aligned (i.e., the last two bits of the address must be zero). Store Instructions sb I Stores the least significant (rightmost) byte of rt to memory. sh I Stores the least significant (rightmost) halfword of rt to memory. sw I Stores the contents of rt in memory.