---
layout: page
title: Documentation
menu_title: Docs
menu_order: 8
permalink: /docs/
---

Documentation
---

Help is available for the following PCjs Machines:

* [C1Pjs](/docs/c1pjs/)
* [PCx86](/docs/pcx86/)

{% if site.developer %}

Instruction documentation is also available:

* [x86 Instructions](/docs/x86/)
* [6502 Instructions](/docs/6502/)

{% endif %}

Our [Publication Archive](/pubs/) includes these PC-related resources:

* [CPU Documents](/pubs/pc/reference/intel/)
* [Datasheets](/pubs/pc/datasheets/)
* [Magazines](/pubs/pc/magazines/)
* [Programming Guides](/pubs/pc/programming/)
* [Reference Manuals](/pubs/pc/reference/)
* [Software User and Development Guides](/pubs/pc/software/) (eg, [DOS](/pubs/pc/software/dos/), [OS/2](/pubs/pc/software/os2/), [Windows](/pubs/pc/software/windows/))

And publications related to Ohio Scientific's 6502-based [Challenger 1P](/devices/c1p/machine/):

* [Datasheets](/pubs/c1p/datasheets/)
* [Programming Guides/Samples](/pubs/c1p/programming/)
* [Reference Manuals](/pubs/c1p/techref/)

[<img src="http://archive.pcjs.org/pubs/pc/datasheets/thumbs/8088-CPU.jpg" width="200" height="260" alt= "8088 CPU"/>](/pubs/pc/datasheets/)
[<img src="http://archive.pcjs.org/pubs/pc/magazines/byte/BYTE-1975-11/thumbs/BYTE-1975-11 1.jpeg" width="200" height="260" alt= "Byte Magazine"/>](/pubs/pc/magazines/byte/)
[<img src="http://archive.pcjs.org/pubs/pc/magazines/msj/MSJ-1986-10/thumbs/MSJ-1986-10 1.jpeg" width="200" height="260" alt= "Microsoft Systems Journal"/>](/pubs/pc/magazines/msj/)
[<img src="http://archive.pcjs.org/pubs/pc/magazines/pctj/PCTJ-1983-07/thumbs/PCTJ-1983-07 1.jpeg" width="200" height="260" alt= "PC Tech Journal"/>](/pubs/pc/magazines/pctj/)
[<img src="http://archive.pcjs.org/pubs/pc/programming/Graphics_for_the_IBM_PC/thumbs/Graphics_for_the_IBM_PC 1.jpeg" width="200" height="260" alt= "Graphics for the IBM PC"/>](/pubs/pc/programming/Graphics_for_the_IBM_PC/)
[<img src="http://archive.pcjs.org/pubs/pc/reference/ibm/5150/techref/1981-08/thumbs/IBM-5150-TECHREF 1.jpeg" width="200" height="260" alt= "IBM 5150 Technical Reference (August 1981)"/>](/pubs/pc/reference/ibm/)
[<img src="http://archive.pcjs.org/pubs/pc/reference/intel/80286/progref/thumbs/80286_and_80287_Programmers_Reference_Manual_1987 1.jpeg" width="200" height="260" alt= "80286 and 80287 Programmer's Reference"/>](/pubs/pc/reference/intel/)
[<img src="http://archive.pcjs.org/pubs/pc/software/dos/PCDOS100/thumbs/PCDOS100.jpg" width="200" height="260" alt= "IBM PC Disk Operating System v1.00"/>](/pubs/pc/software/)