【MIPS彙編】ADDI，ADDIU，ADD，ADDU的區別、有符號無符號的謬誤

ADDI、ADDIU：加立即數，區別在於是否檢測溢出。 Format: ADDI rt, rs, immediate To add a constant to a 32-bit integer. If overflow occurs, then trap. Format: ADDIU rt, rs, immediate To add a constant to a 32-bit integer A

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