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
Manchester, UK
Pinned Repositories
A500keyboard
hardware Raspberry Pico Amiga 500 Keyboard to USB Adapter
Dragon-32-Repair-Ramboard
Plugin ram board for Dragon 32 Mk2 Issue 6, to replace 4116 chips with 4164
Dragon3264Keyboard
Reproduction keyboard for Dragon 32 and 64 using modern switches
Dragon32Issue2
Recreation of early Dragon 32 mainboard
Dragon32Rev3
DragonNTSC
Plug-in video board for Dragon 32 recreation
DragonPal
Plug-in video board for Dragon 32 recreation
DragonPalExtRom
Dragon Pal with External Character Rom for Rev 3.1
DriveWire4Rebuild
Redesign and rebuild of DriveWire 4 in Java
online6809
Online Motorola 6809 Emulator
jimbro1000's Repositories
jimbro1000/Dragon32Issue2
Recreation of early Dragon 32 mainboard
jimbro1000/online6809
Online Motorola 6809 Emulator
jimbro1000/6847Pi
A recreation of the Motorola 6847P using a modern microcontroller
jimbro1000/Dragon32Rev3
jimbro1000/DriveWire4Rebuild
Redesign and rebuild of DriveWire 4 in Java
jimbro1000/ZxSpectrumIss2
jimbro1000/Apple-II-R0
Schematic for Apple II System Board Revision 0
jimbro1000/Atari2600CompositeMod
Plugin Composite Mod for Atari 2600 VCS
jimbro1000/coco_motherboards
This repository contains KiCAD schematics and board designs for the TRS-80 Tandy Color Computers.
jimbro1000/CoCoEPROMpak
Updated version of Mark Blair's CoCo Eprom Pak board
jimbro1000/Commodore-Vic-20
Late, cost reduced vic-20 schematic and board
jimbro1000/Dragon32Rev3Proto
SMD Prototype of Dragon32 Rev3
jimbro1000/DragonNTSC
Plug-in video board for Dragon 32 recreation
jimbro1000/DragonPal
Plug-in video board for Dragon 32 recreation
jimbro1000/DragonRevX4KSEdition
Dragon Rev X4 Kitchen Sink
jimbro1000/pi450Keyboard
Mechanical Keyboard for Pi boards
jimbro1000/VersaTermMinus
Based on the VersaTerm project but slightly shrunk in the wash
jimbro1000/DragonPalExtRom
Dragon Pal with External Character Rom for Rev 3.1
jimbro1000/6309ide
HD6309 8 bit IDE
jimbro1000/CFCardFix
jimbro1000/D32MKII-Schematic
Dragon 32 MKII Schematic
jimbro1000/dma-memory-module
HD6309SBC DMA memory module
jimbro1000/Dragon-AY-Plugin
Plugin Ay audio plugin for Dragon32 rev3 board
jimbro1000/DragonPalAD724
jimbro1000/DragonRevX4Mem4M
Memory board for Dragon Rev X4 Plus mainboard
jimbro1000/DragonSixBitDac
jimbro1000/fpga6847rgb
Synthetic replacement for the Motorola 6847 Video Generator with PAL or NTSC RGB output
jimbro1000/HD6309sbc
Single board computer using Hitachi HD6309
jimbro1000/HD6309sbcMem
Basic memory module for HD6309SBC v2
jimbro1000/SBCclock
Discrete clock generator for HD6309SBC