Step 1: Requirements of the Instruction Set 口 Memory instruction data a Registers(32×32) read Rs read rt Write rt or rd 口PC 口 Extender a Add and Sub register or extended immediate D Add 4 or extended immediate to pc 日209 Chapter4A.8 CSE SJTU, 2017EI209 Chapter 4A.8 CSE, SJTU, 2017 Step 1: Requirements of the Instruction Set ❑ Memory instruction & data ❑ Registers (32 x 32) read RS read RT Write RT or RD ❑ PC ❑ Extender ❑ Add and Sub register or extended immediate ❑ Add 4 or extended immediate to PC