Dossier
x86 architecture
Coverage of x86 architecture in the Nexus archive.
- z386: An Open-Source 80386 Built Around Original Microcode
z386 is an open-source recreation of the Intel 80386 processor built around its original microcode, developed by the Nand2Mario team. The project aims to preserve and modernize the 1980s-era x86 architecture through open-source hardware design.
- 8087 Emulation on 8086 Systems
The article discusses how 8087 math coprocessor instructions can be emulated on 8086-based systems, enabling compatibility with software requiring floating-point operations. It highlights technical methods for replicating 8087 functionality in software, useful for retro computing and legacy system preservation.