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  1. 为啥大学里还在讲8086CPU和8031单片机? - 知乎

    要知道: 对于8086以后的各型CPU,包括286、386、486、奔腾、酷睿、i5、i7,直到现在,全部支持8086的运行模式,就是8086实模式。 也就是说,所有各代的intel CPU(特殊产品除外),在个人计 …

  2. The start of x86: Intel 8080 vs Intel 8086?

    2018年5月16日 · 8086 was designed to make asm source porting from 8080 easy (not the other direction). It is not binary compatible with 8080, and not source-compatible either. 8080 is not an x86 …

  3. 8086 - x86 memory alignment - Retrocomputing Stack Exchange

    2022年4月21日 · For the 8086, unaligned word loads (first byte at an odd address) require two memory accesses, but an aligned word (first byte at an even address) can be loaded in one. This is …

  4. Why is the Intel 8086 CPU called a 16-bit CPU?

    2019年7月18日 · The 8086 has 16-bit registers (though can access many of them as 8-bit ones too) and a 16-bit data bus so is generally considered a 16-bit CPU despite the 20-bit address bus. Same for …

  5. 以8086为例学习微机原理是否已经过时了? - 知乎

    如果你还做计算机的话,我建议题主还是把8086学了,这一课你早晚要补。 国内外其他学校的相关课程是怎么安排的? 真心的,我找了不只4年,我真心没有发现国外有哪门课叫微机原理。 如果有人看 …

  6. 8086存储容量为啥不是2^20×16? - 知乎

    2023年3月5日 · 8086是一种16位的处理器,每次可以读取或写入16位的数据,因此它的存储容量是以字(word)为单位进行计算的。每个字占用16个位(2个字节),所以8086的存储容量应该是以字为 …

  7. 汇编语言有多少种? - 知乎

    2019年12月14日 · 汇编语言有多少种? 在网上看到的汇编语言有: x86汇编 8086汇编 AT&T汇编 Intel汇编 ARM汇编 想学习汇编,但是这么多汇编语言,我到底学哪个好? 显示全部 关注者 88 被浏览

  8. What does an ADC (add with carry) instruction following ADD do?

    2024年4月10日 · I guess the OP wonders why there are two add instructions. With just one (which must be ADC), one would need always and additional instruction to clear the carry first (CLC/ADC). with …

  9. How to use all memory on an IBM PC with 8086

    2022年12月23日 · The 8086 can only address 1024 kilobytes, and when making the 5150 PC, IBM decided to split that so that up to 640 kB of RAM is possible and the rest of the memory, 384 kB is …

  10. ms dos - Can Microsoft Windows 1.0 run on CPUs older than Intel 8086 ...

    2025年6月6日 · Is there was any microprocessor older than Intel 8086 (e.g., Z80, Intel 8080) which can run The Microsoft Windows 1.0 and at least display the GUI without glitches? Also, using software …