yz2cm https://blog.hatena.ne.jp/yz2cm/ ゆずさん研究所 https://yz2cm.hatenadiary.org/ 80386機械語 レジスタに対するSUB命令です。 0: 2c 7f sub $0x7f,%al 2: 80 eb 7f sub $0x7f,%bl 5: 80 e9 7f sub $0x7f,%cl 8: 80 ea 7f sub $0x7f,%dl b: 66 2d ff 7f sub $0x7fff,%ax f: 66 81 eb ff 7f sub $0x7fff,%bx 14: 66 81 e9 ff 7f sub $0x7fff,%cx 19: 66 81 ea ff 7f sub $0x7fff,%dx 1e: 2d ff ff ff 7f sub $0x7fffffff,%eax 23: 81 … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyz2cm.hatenadiary.org%2Fentry%2F20130602%2F1370134190" title="SUB命令（r-imm→r） - ゆずさん研究所" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2013-06-02 09:49:50 rich https://yz2cm.hatenadiary.org/entry/20130602/1370134190 1.0 100%