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PCjs: JavaScript Machines
===
Welcome to PCjs, home of [PCx86](/docs/pcx86/), the original IBM PC simulation written entirely JavaScript.
It was added in Fall 2012 to the [PCjs Project](https://github.com/jeffpar/pcjs), which now includes the following
JavaScript Machines:
Welcome to PCjs, home of JavaScript Machines such as [PCx86](/docs/pcx86/), the original IBM PC simulation written
entirely JavaScript and first released in Fall 2012.
The [PCjs Project](https://github.com/jeffpar/pcjs) is an open-source project that includes these JavaScript Machines:
* [PCx86](/docs/pcx86/), an x86-based IBM PC and PC-compatible emulator
* [PC8080](/modules/pc8080/), a 8080-based generic machine emulator
* [PC8080](/modules/pc8080/), a 8080-based emulator with support for [Space Invaders (1978)](/devices/pc8080/machine/invaders/)
* [C1Pjs](/docs/c1pjs/), a 6502-based Ohio Scientific Challenger 1P emulator
PCx86 originally simulated the 4.77Mhz 8088-based IBM PC and has steadily evolved to support more classic x86 machines,
including the IBM PC XT, the 80286-based IBM PC AT, and the 80386-based COMPAQ DeskPro 386. PCx86 fully supports
the original machine ROMs, video cards, etc, and all machines run at their original speeds.
All PCjs computer simulations are written entirely in [JavaScript](/modules/). No Flash, Java or other plugins are
required. Supported browsers include modern versions of Chrome, Safari, Firefox, Internet Explorer (v9.0 and up), Edge,
and assorted mobile browsers.
[Embedded IBM PC](/devices/pcx86/machine/5150/mda/64kb/ "PCx86:ibm5150")
The [simulation](/devices/pcx86/machine/5150/mda/64kb/) above features an Intel 8088 running at 4.77Mhz,
The [PCx86 Simulation](/devices/pcx86/machine/5150/mda/64kb/) above features an Intel 8088 running at 4.77Mhz,
with 64Kb of RAM and an IBM Monochrome Display Adapter. For more control, there are also
[Control Panel](/devices/pcx86/machine/5150/mda/64kb/debugger/) and [Soft Keyboard](/devices/pcx86/machine/5150/mda/64kb/softkbd/)
configurations, featuring the built-in PCx86 Debugger. For even greater control, build your own PC. The
[PCx86 Documentation](/docs/pcx86/) will help you get started.
The goals of the [JavaScript Machines](/docs/about/) project are to create fast, full-featured simulations of classic
PCx86 has steadily evolved to support more classic x86-based machines, including the IBM PC XT, the 80286-based IBM PC AT,
and the 80386-based COMPAQ DeskPro 386. PCx86 fully supports the original machine ROMs, video cards, etc, and all
machines run at their original speeds.
The goals of the [PCjs Project](/docs/about/) project are to create fast, full-featured simulations of classic
computer hardware, help people understand how these early machines worked, make it easy to experiment with different
machine configurations, and provide a platform for running and analyzing old computer software.
@ -53,7 +54,7 @@ and [EGA Displays](/devices/pcx86/machine/5160/ega/640kb/array/).
C1Pjs
---
Below is the [OSI Challenger C1P](/docs/c1pjs/), another simulation in the JavaScript Machines project.
Below is the [OSI Challenger C1P](/docs/c1pjs/), another simulation in the PCjs Project.
It simulates Ohio Scientific's 6502-based microcomputer, released in 1978. More details about this simulation
and the original machine are available in the [C1Pjs Documentation](/docs/c1pjs/).