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86Box is a low level x86 emulator that runs older operating systems and software designed for IBM PC systems and compatibles from 1981 through fairly recent system designs based on the PCI bus. Easy to use interface inspired by mainstream hypervisor software. Low level emulation of 8086-based processors up to the Pentium with focus on accuracy. Great range of customizability of virtual machines.
Memu is a multiple machine emulator.
Some CPUs are emulated: 8080, 6800, Z80, 8086.
Some arcade machines which based on 8080 CPU are emulated.
CP/M 1.3, 1.4, 2.0 runnable.
Altair BASIC 3.0 runnable.
PC emulation is under construction.
i8086emu is an cross-platform emulator for the Intel 8086microprocessor.
It has support for dynamically loadable device plugins and some peripherals like a PIT, PIC, 8-segment-displays, buttons and leds.
i8086emu comes with an ncurses and an GTK-2 gui
YASP (Yet Another Simple Processor) is a 8-bit microprocessor with microcontroller capabilities (I/O ports, REQ, ACK) that can be used as a small computer for educational purposes. Its development environment includes simulators and assemblers.
PCEmu is a software-only PC emulator. It emulates an 8086-based machine with VGA text graphics, EMS memory, host file system access, and `hardware' debugging. It runs DOS and most programs correctly.