Media Summary: A check-out of Lee Hart's retro-computing This is a computer built in 1979 resurrected in 2015. This machine has 2.5k of memory (2K bytes of RAM and 512 bytes of ROM) it ... Still need to sort the LED, but a working machine. What else can I get it to do?

Toggle Q On Cosmac 1802 - Detailed Analysis & Overview

A check-out of Lee Hart's retro-computing This is a computer built in 1979 resurrected in 2015. This machine has 2.5k of memory (2K bytes of RAM and 512 bytes of ROM) it ... Still need to sort the LED, but a working machine. What else can I get it to do? Tuned the speeds a bit so the red pulse of the A poorly focused and ratty video of me testing a single-step clocking circuit for use in trying to figure out why my membership card ... This project is superseded by the combined auto-keyer and hex keypad: *** I ...

I created this video with the YouTube Video Editor (

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Toggle Q on COSMAC 1802 Membership Card
COSMAC 1802 Membership Card Checkout
COSMAC 1802 VIP DSKY Demonstration
Testing a COSMAC 1802 microprocessor
COSMAC 1802 Membership Card
1802 "Face Card" - An 1802 Microprocessor Kit
RCA 1802 Membership Card - Running Q Blink Code
1802 COSMAC ELF Membership Card running Aricebo Message
COSMAC 1802 Membership Card Single Stepping
Lee Hart 1802 Membership Card (COSMAC Elf) & Spare Time Gizmos ROM-stack and Serial Connection
A lazy "keyer" for the Cosmac 'Elf'  [Superseded - see later video]
An ELF *off* the shelf | The Quest Super ELF | COSMAC 1802
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Toggle Q on COSMAC 1802 Membership Card

Toggle Q on COSMAC 1802 Membership Card

Loading a binary program on the

COSMAC 1802 Membership Card Checkout

COSMAC 1802 Membership Card Checkout

A check-out of Lee Hart's retro-computing

COSMAC 1802 VIP DSKY Demonstration

COSMAC 1802 VIP DSKY Demonstration

This is a computer built in 1979 resurrected in 2015. This machine has 2.5k of memory (2K bytes of RAM and 512 bytes of ROM) it ...

Testing a COSMAC 1802 microprocessor

Testing a COSMAC 1802 microprocessor

Testing a COSMAC 1802 microprocessor

COSMAC 1802 Membership Card

COSMAC 1802 Membership Card

And now I am a member of the "

1802 "Face Card" - An 1802 Microprocessor Kit

1802 "Face Card" - An 1802 Microprocessor Kit

This is one of the several

RCA 1802 Membership Card - Running Q Blink Code

RCA 1802 Membership Card - Running Q Blink Code

Still need to sort the LED, but a working machine. What else can I get it to do?

1802 COSMAC ELF Membership Card running Aricebo Message

1802 COSMAC ELF Membership Card running Aricebo Message

Tuned the speeds a bit so the red pulse of the

COSMAC 1802 Membership Card Single Stepping

COSMAC 1802 Membership Card Single Stepping

A poorly focused and ratty video of me testing a single-step clocking circuit for use in trying to figure out why my membership card ...

Lee Hart 1802 Membership Card (COSMAC Elf) & Spare Time Gizmos ROM-stack and Serial Connection

Lee Hart 1802 Membership Card (COSMAC Elf) & Spare Time Gizmos ROM-stack and Serial Connection

This video is about my Lee Hart

A lazy "keyer" for the Cosmac 'Elf'  [Superseded - see later video]

A lazy "keyer" for the Cosmac 'Elf' [Superseded - see later video]

This project is superseded by the combined auto-keyer and hex keypad: https://www.youtube.com/watch?v=amUEFpjozSU *** I ...

An ELF *off* the shelf | The Quest Super ELF | COSMAC 1802

An ELF *off* the shelf | The Quest Super ELF | COSMAC 1802

1802

COSMAC 1802 noise

COSMAC 1802 noise

I created this video with the YouTube Video Editor (http://www.youtube.com/editor)