{
  "kind": "合成对照输入与本地模型/解析结果，非设备实测",
  "article": "https://qifudev.com/article/bitfield-msb-numbering-to-lsb/",
  "tool": "https://qifudev.com/tools/bitfield-extractor/",
  "model": "字段=(原值>>起始位)&(2^宽度−1)",
  "inputs": {
    "hex": "A500",
    "start": "8",
    "width": "8"
  },
  "outputs": {
    "decimal": "165",
    "hex": "0xA5",
    "mask": "0xFF00"
  },
  "extra_checks": [],
  "warnings": [],
  "limitation": "只解释已取得的数值，不读写真实寄存器，不判断读清、写一清零、访问权限或寄存器版次。",
  "source": {
    "label": "SEI CERT C：整数类型与位操作",
    "url": "https://wiki.sei.cmu.edu/confluence/display/c/INT13-C.+Use+bitwise+operators+only+on+unsigned+operands"
  },
  "measured": {
    "device": null,
    "firmware": null,
    "instrument": null,
    "conditions": null,
    "raw_result": null,
    "verdict": null
  }
}