The 80286 introduced "Protected Mode" in 1982. It was not popular. The mode was difficult to use, lacked paging, and offered no way to return to real mode without a hardware reset. The 80386, arriving three years later, made protection usable -- adding paging, a flat 32-bit address space, per-page User/Supervisor control, and Virtual 8086 mode so that DOS programs could run inside a protected multitasking system. These features made possible Windows 3.0, OS/2, and early Linux.
But handling that stuff is slow. To calculate a string’s width it can’t call len on the string. Instead it has to pass every character through a state machine.，详情可参考heLLoword翻译官方下载
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Ранее стало известно, что Белгород вновь подвергся атаке со стороны Вооруженных сил Украины. Удар по российскому региону мог быть нанесен ракетами HIMARS, которые произведены в США.
我国地大物博，好山好水哺育着热爱生活的人民，塑造了各具特色的地方美食。社交平台上，许多网友分享了外地朋友寄来的年货。浙江温州干货大礼包、山西白花花的大馒头、四川的手工腊肠……或是用风干腌制锁住美味，或是以易储存、高能量食品抵御寒冷，或是将时间窖藏酿成甘醇，每一份特产都是一方水土的结晶，藏着独属于当地的自然禀赋与生活智慧。一份份“硬货”，超越简单的礼尚往来，勾勒出一幅鲜活的地域文化图景，也诠释了年味动人的情感内核。