1. add $10,$8,$9 汇编指令格式:add $rd, $rs, $rt 机器码格式:000000 rs rt rd 00000 100000 将寄存器编号转换为二进制: $10 = 01010 $8 = 00100 $9 = 00101 将二进制转换为十六进制: rs = 01010 = A rt = 00100 = 4 rd = 00101 = 5 机器码为:000000 00100 00101 01010 00000 100000 转换为十六进制:0x004A0000

  2. nor $20,$18,$19 汇编指令格式:nor $rd, $rs, $rt 机器码格式:000000 rs rt rd 00000 100111 将寄存器编号转换为二进制: $20 = 10100 $18 = 10010 $19 = 10011 将二进制转换为十六进制: rs = 10100 = 14 rt = 10010 = 12 rd = 10011 = 13 机器码为:000000 10010 10011 10100 00000 100111 转换为十六进制:0x12D40000

  3. srl $23,$22,5 汇编指令格式:srl $rd, $rt, sa 机器码格式:000000 00000 rt rd sa 000010 将寄存器编号转换为二进制: $23 = 10111 $22 = 10110 将二进制转换为十六进制: rt = 10110 = 16 rd = 10111 = 17 sa = 00000101 = 5 机器码为:000000 00000 10110 10111 00000101 000010 转换为十六进制:0x0017A005

  4. lw $15,$8,40 汇编指令格式:lw $rt, offset($rs) 机器码格式:100011 rs rt offset 将寄存器编号转换为二进制: $15 = 01111 $8 = 00100 将偏移量转换为二进制,并补齐到16位: offset = 0000000000101000 将二进制转换为十六进制: rs = 00100 = 4 rt = 01111 = F offset = 0000000000101000 = 0000 0000 0010 1000 = 0028 机器码为:100011 00100 01111 0000000000101000 转换为十六进制:0x8F28002

将下列MIPS汇编指令转换为十六进制机器码1add $10$8$92nor $20$18$193srl $23$2254lw $15$840转换过程

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