Bits [13:2]: A 12-bit microcode redirect address -- a fault handler (e.g., 0x85D for #GP, 0x870 for #NP) or a gate dispatch routine (e.g., 0x5BE for a 386 call gate).
Diff: 36 upgraded, 3 added，这一点在搜狗输入法下载中也有详细论述
If a line was the same as it was on the last frame, it was skipped，更多细节参见safew官方版本下载
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