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RGBtoHDMI
Bare-metal Raspberry Pi project that provides pixel-perfect sampling of Retro Computer RGB/YUV video and conversion to HDMIPiTubeDirect
Bare-metal Raspberry Pi project that attaches to the Acorn TUBE interface and emulates many BBC Micro Co ProcessorsAtomBusMon
This project is an open-source In-Circuit Emulator for the 6502, 65C02, Z80, 6809 and 6809E 8-bit processors. See:CoPro6502
FPGA implementations of BBC Micro Co Processors (65C02, Z80, 6809, 68000, x86, ARM2, PDP-11, 32016)MMFS
Modern SD Card File System for Acorn 8-bit Machine (Master, Beeb, Electron)BeebFpga
AtomFpga
Dave's version of the Acorn Atom FPGA, based on AlanD's original from stardot.org.uk6502Decoder
6502 Protocol Decoder (for logic analysis capture files)PiTubeClient
Raspberry Pi Tube ClientAtomSoftwareArchive
Software relating to the Acorn Atom Software Archive of stardot.org.ukZ80Decoder
Z80 Protocol Decoder (for logic analysis capture files)Ice40Atom
Acorn Atom implementation for the Ice40 (myStorm BlackIce)6809Decoder
6809 / 6309 Protocol Decoder (for logic analysis capture files)atf15xx_yosys
Design Flow for Atmel/Microchip ATF15xx CPLDs using Yosys and the Atmel FitterIce40CPMZ80
Multicomp Z80 CP/M implementation for the Ice40 (myStorm BlackIce)pico_bus6502
Experimenting with using Pico PIO as a 6502 Bus InterfaceElectronFpga
Ice40Beeb
BBC Model B implementation for the Ice40 (myStorm BlackIce)Ice40LogicSniffer
BlackIce port of the Open Bench Logic SnifferPapilio_One_OLS
Open Bench Logic Sniffer (Demon Core, Verilog) (3.08 with edge triggers)Atomulator
Atomulator is an Acorn Atom EmulatorMusic5000
FPGA implementation of the 1980's "Music 5000" wavetable synthesiserTubeULA
BBC Micro Tube ULA Image Processing CodeZ80Simulator
AtomGodilVideo
New Video Adapter for Acorn Atom implemented in a GODIL FPGABeebAccelerator
A high-speed replacement 65C02 CPU for the Beeb; meets timing at 80MHz, seems stable at 100MHz!pico_atomvga
Chris Moulang's Pico-based Atom VGA AdapterReTuLaReMake
Open Source Tube ULA RemakeADFS
Optima
Acorn Atom Emulator for the Raspberry PiADFS130
BeebASM Source for various versions of Acorn ADFS 1.0x (Electron) and 1.3x (Model B)pico-swram
Pi Pico acting as a 16K Sideways RAM for the Acorn ElectronHDLTutorial
A basic Verilog and VHDL tutorialBeeb1MHzBusFpga
Beeb 1MHz Bus Fpga Adapter and related projects6502Life
Experiments with Conway's Game of Life on the Acorn Atom and BBC MicroBBCBasic4r32
A disassembly of BBC Basic 4r32jan_vibe_archive
Jan Vibe's BASIC Programs Archive (freeware)DSPFract
Papilio Duo port of DSPFract from Mike Field @ Hamsterworks6502ClientROM
Dave's working disassembly of the Acorn 6502 Client ROM (version 1.10)AtomRamAndNoiseKiller
8Kx8 Video RAM and Noise Killer for the Acorn AtomSBC09
Respsitory for the SBC09 6809/6309 Board Designpdp11pispigot
A port of Vol's Pi Spigot to the BBC PDP-11 Second Processorhoglet67.github.io
PsionEditDebug
Disassemble of Psion Edit Debug ROM for the Acorn AtomAcornSystemFpga
Acorn System 3/5 FPGA CloneTubeSoftwareArchive
An archive of software for the family of BBC Micro Second ProcessorsBadApplePi
Bad Apple PiTube PlayerSerialULA
Microtan65-FPGA
Tangerine Microtan 65 FPGA re-implementationElectronAP5
Electron AP5 CPLD DesignAtomVGAWing
Atom Y/Cr/Cb to VGA Video ConverterFpgaUtils
Atom FPGA Utilities ROM for AtomFpga and Atom2015si5351standalone
Standalone I2C Controller for the SI5351AIRtoRFpic
AtomKeyMatrix
New Atom Keyboard MatrixAtomRAMTest
A memory test for the Acorn Atom that doesn't need working RAM to functionDragonKeyMatrix
A PS/2 to Dragon 32 Keyboard Matrix convertor in VerilogNMOSCircuitExtractor
RAMMaster
RAM Master ROM Manager, written in 1985 by a much younger hoglet!SRAMAdapterPCB
SOJ-32 to DIP-32 Adapter PCB for 512Kx8 SRAMAtoMMC2Firmware
PIC/AVR Firmware for the AtomMMC interfaceAtomRamRom
Phill's Atom RamRom board CPLDrc_transmitter
A simple 2-channel 27MHz AM radio control transmitter for testing purposesAtomLCD
Simple Atom LCD Driver for Portable AtomAtoMMC2
AtoMMC2 SD Card File System for the Acorn Atomsbc09_debugger
6809 Decoder Logic Analyser Adapter PCByarrb1-cpld
YARRB v2 CPLD Design FilesDigiac-Mac-III-FPGA
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