cosam.org
Projects
Z80 Computer
Focus OS
Amiga 1200 Tower
Computers
History
Hardware
Sinclair
PDP-11
Astronomy
Observation Reports
Equipment
Astrophotography
NewsNews

DEC PDP-11/23+DEC PDP-11/23+

16/03/2008: The retrocomputing collection been expanded with DEC PDP-11!

Blinkenlights for the Z80Blinkenlights for the Z80

29/02/2008: The addition of a front panel to the Z80 system results in a stand-alone machine!

Source Code Respository OnlineSource Code Respository Online

07/01/2008: You can now browse or check out the source code related to various projects using the online respository.

older news...

ProjectsProjects

Z80 ComputerZ80 Computer

Building a simple computer system from scratch, based on the Zilog Z80 processor. Includes full schematics.

Focus OSFocus OS

A free open source operating system aimed at homebrew computers. Still in the early stages of development.

Amiga 1200 TowerAmiga 1200 Tower

Fitting an Amiga 1200 computer into a PC tower case. Extensively documented hardware-hacking project.

ComputersComputers

HardwareHardware

An overview of my current fleet of computers and networking equipment, ranging from standard PC's to single board board computers.

HistoryHistory

A brief trip through my computing history, and the machines that made it all possible.

SinclairSinclair

Details and pictures of my personal computer museum. Includes many Sinclair computers and accessories.

PDP-11PDP-11

Digital Equipment Corporation's PDP-11.

AstronomyAstronomy

Observation ReportsObservation Reports

Details and sketches of my astronomical observations.

EqupimentEqupiment

All about my scopes and accessories. Includes simple scope modifications and guides to building your own anti-dew accessories.

AstrophotographyAstrophotography

Examples of my attempts at astronomical imaging.

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