Manchester, UK

Julian Brown

Expert
@jimbro1000

I'm a professional software engineer with over 40 years experience. I have a long term interest in electronics, in particular 8 bit computing from the 1980s

VersaTermMinus. Based on the VersaTerm project but slightly shrunk in the wash

20

online6809. Online Motorola 6809 Emulator

12

Dragon32Issue2. Recreation of early Dragon 32 mainboard

8

6847Pi. A recreation of the Motorola 6847P using a modern microcontroller

7

Commodore-Vic-20. Late, cost reduced vic-20 schematic and board

6

Dragon-32-Repair-Ramboard. Plugin ram board for Dragon 32 Mk2 Issue 6, to replace 4116 chips with 4164

4

Dragon3264Keyboard. Reproduction keyboard for Dragon 32 and 64 using modern switches

4

Dragon32Rev3. HTML

3

A500keyboard. hardware Raspberry Pico Amiga 500 Keyboard to USB Adapter

3

ZxSpectrumIss2.

3

DriveWire4Rebuild. Redesign and rebuild of DriveWire 4 in Java

3

virtual6809. Emulation of MC6809 and supporting hardware

2

cas2bas. Simple utility for converting Dragon/CoCo basic (.CAS) files to text (.BAS)

2

Dragon32Rev3Proto. SMD Prototype of Dragon32 Rev3

2

Atari65_130XE_C070067. Reproduction of the Atari 65/130XE PCB

2

tdd-training-katas. Lessons and exercises for getting started (and improving) in TDD

2

drivewire4rescue. Reconfigure of original drivewire4 source to use maven

2

CoCoDragonMultiPak. HTML

1

Atari2600CompositeMod. Plugin Composite Mod for Atari 2600 VCS

1

XTjr. Assembly

1

DragonRevX4KSEdition. Dragon Rev X4 Kitchen Sink

1

CoCoEPROMpak. Updated version of Mark Blair's CoCo Eprom Pak board

1

pi450Keyboard. Mechanical Keyboard for Pi boards

1

DragonNTSC. Plug-in video board for Dragon 32 recreation

1

DragonDiscController. Recreation of DragonDos disc controller cartridge

1

DNDrehash. JavaScript

1

DragonPal. Plug-in video board for Dragon 32 recreation

1

HD6309sbc. Single board computer using Hitachi HD6309

1
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