Branch (O ZON Add ALU Addresult RegWY Shift left 2) Read PC MemWrite Read address Instruction [25:21] Instruction (2016) register1 Read ALUS Zero Momto Reg OS ALU ALU Instruction 131:0) Instruction memory Read data 1 register 2 Write Read register data 2 Write data Registers Address Read data result e Instruction (15:11] -30 OXC- RegDst Data Write memory data Instruction (15:01 16 32 Extend ALU control ALUCtr MemRead ExtOp A MIPS program which will be executed on the single cycle processor is as follows: start: add $sl, $t1, $t2 sll $s2, $sl, 4 lw $t3, -12 ($s2) bne t4, $t3, start Assume that the initial values of registers $t1, $t2, $t3, and $t4 are 0xFFFFFFF0, 0x00000011, 0x00000004, and OxFFFFFFF8 respectively, and the initial content of the big-endian memory is as follows: address 0000 0000 0000 0004 0000 0008 Byte 0 00 FF Byte 1 00 FF Byte 2 00 FF Byte 3 04 F8 FO FF FF FF What are the values of the control signals and check points (label A to M) when the MIPS program is executed? If the value is unknown or don't care, use 'x' to represent it. Please give the answers of label A to M in hexadecimal format. (1) Control signals and check points for instruction: lw $t3, -12 ($s2) RegWr = ALUSC ALUCtr Branch MemtoReg RegDst MemRead MemWrite = = = = = = A= B= D= E = F= H= J= K= = (ii) Control signals and check points for instruction: bne $t4, $t3, start RegWr ALUSrc ALUCtr Branch = MemtoReg RegDst MemRead MemWrite A= B= = = = D= E = F= H= = K=