The start of x86: Intel 8080 vs Intel 8086?
May 16, 2018 · 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 …
为啥大学里还在讲8086CPU和8031单片机？ - 知乎
而且，我可以告诉你的是，在某些工业级的控制器中，8086 CPU也还在用，并不是完全消失了的。 还有，关于8031，这个是51单片机系列中的一种。
Why is the Intel 8086 CPU called a 16-bit CPU?
Jul 18, 2019 · 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. …
8086存储容量为啥不是2^20×16? - 知乎
Mar 5, 2023 · 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 …
What does an ADC (add with carry) instruction following ADD do?
Apr 10, 2024 · 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 …
When and why is fwait necessary when using the 8087 coprocessor?
Jul 24, 2025 · Commercial 8086 assemblers would generally insert fwait s as appropriate on their own, so most programmers wouldn’t have had to take care of this. 286 and later CPUs handle …
How do I make Minix 1.5 8086 boot from a hard drive?
Oct 20, 2025 · For the understanding part, I used the ndisasm tool of NASM, and I was also looking at the full source code (both kernel and userland) distributed on the Minix 1.5 8086 …
发生了已更正的硬件错误。 组件: PCI Express Root Port，如何解 …
发生了已更正的硬件错误。 组件: PCI Express Root Port错误源: Advanced Error Reporting (PCI Express)…
PCI\VEN_8086&DEV_4C01&SUBSYS_86941043&REV_是什硬件？
PCI\VEN_8086&DEV_4C01&SUBSYS_86941043&REV_01 是个什么硬件？ 系统信息里总是警告 发生已更正的硬件错误 找… 显示全部
Hardware and CPU-generated interrupt mapping at BIOS boot time
Mar 23, 2025 · I'm assuming a typical IBM PC or compatible, typical BIOS, and a 8086, 186, 286, 386, 486, 586 or 686 CPU. (I hope there won't be too many CPU-specific differences.) In this …