ulx3s.github.io

This is the home of all the awesome repos and forks of community projects that can be used with the ULX3S FPGA ESP32 board.

Now live on Crowd Supply!

Quickstart ( Blink LED )

• Quickstart

• Extensions Quickstart

• SD card inserting

ULX3S manual

• Manual

Projects and Examples:

• 6502 Simple 6502 system on a ULX3S FPGA board using Trellis, Yosys, and Nextpnr
• AD/DA forked from github.com/gojimmypi/ulx3s-adda; see also this OSHPark Adapter Board, this blog and notes
• Advanced Examples emard's ADC, DVI, JTAG, OLED, ov7670, PS2, SDRAM, SPI RAM, USB and more.
• Amiga Port of Amiga emulator "Minimig". See also this video
• AnotherWorld Arcade forked from github.com/felipesanches/AnotherWorld_FPGA see also this video
• Apple I forked from github.com/lawrie/apple-one
• Apple II FPGA Emulator forked from github.com/emard/apple2fpga
• Blinky see also these examples including Diamond, open source and ESP32
• Cosmac Elf This is a re-creation of a Cosmac ELF computer, Coded in SpinalHDL
• Docker - alpin3 alpin3's docker images; ulx3s build environment open source
• Docker - dok3r dok3r's mixed open source/commercial build
• Doom-chip The Doom-chip, a hardware recreation of the Doom renderloop written in the Silice HDL.
• ESP32 passthru essential for ESP32. See also these details
• f32c retargetable, scalar, pipelined, 32-bit processor core which can execute subsets of either RISC-V or MIPS
• FM Flea Radio FM radio receiver for FPGA with simple RLC network and analog comparator (available on-chip, no ADC required).
• FPGArduino Arduino core extensions for FPGA-based 32-bit MIPS and RISC-V soft CPU cores (f32c). See also FPGArduino source, this description, this video and this video
• Galaksija BASIC computer forked from github.com/emard/galaksija See this video
• GHDL GHDL ULX3S Examples - simple VHDL examples using open source VHDL synthesis
• GPDI Mirror HDMI IN >> HDMI OUT with PMOD
• Jupiter Ace A version of the Jupiter Ace for the Ulx3s using a PS/2 keyboard, and with HDMI output.
• KianV Risc-V Linux Soc KianV RV32IMA SV32 zicntr Linux SoC.
• LED Panel Example for 64x64 LED panel
• LiteX Linux Linux with VexRiscv CPU, a 32-bits Linux Capable RISC-V CPU written in Spinal HDL
• Logic Analyzer Video
• Logic Sniffer
• Micropython - ESP32 emard's micropython running on ESP32; JTAG programming and flashing of Lattice ECP5 FPGA JTAG
• NES by ironsteel emard's fork and mods from github.com/ironsteel/nes_ecp5
• Next186 MS-DOS forked from github.com/Basman74/Next186
• Oberon see also andreaspirklbauer/Oberon-extended
• Odysseus Workshop - material for participation at FPGA Odysseus with ULX3S Workshop at Radiona event in Zagreb
• Orao emard's fork of Grant Seale's great work for emulation of Compukit UK101 on FPGA
• Oscilloscope from hdl4fpga: scopeio see also demo binaries
• Papilio Arcade
• Phoenix Arcade emard's Phoenix (Amstar) FPGA - DAR - 2016 (Educational use only)
• PMODS - Goran HDMI, I2S, LoRa, MAX31855, MLX90640, OV7670, PS2, USB, SD, and more!
• RDS Modulator RDS modulator for FPGA; This code comes complete with FM transmitter. No external components are needed.
• Risc-V 32 Implementation in VHDL The NEORV32 RISC-V Processor, See this contribution.
• SaxonSoc Linux Build forked from github.com/dok3r/ulx3s-saxonsoc, see also this release all based on SpinalHDL/SaxonSoc
• Slabboy gameboy on an ST7789 display, which can't yet run Gameboy games, but can run simple assembler examples
• SPI Spy Flash emulation
• Synth-o-Wheel True polyphonic additive synthesizer as parametric VHDL core with realtime performance.
• ST7789 display slow MicroPython driver for 240x240 ST7789 display without CS pin from Ali Express
• TI-99 A never released home computer in the TI-99/4A family, implemented on the ULX3S fpga board. See also TI99/2
• Tic tac toe This is an implementation of "Tic Tac Toe" (noughts and crosses) in Verilog. The user plays against the FPGA
• Tools F32C JTAG programmer, ujprog, f32cup binary uploader
• UK101 emard's UK101 on FPGA (see also Orao)
• WiFi JTAG see also this video
• YAZSOF Z80 chriscamacho's Yet Another Z80 SoC On FPGA
• ZX80/81 Soft Z80 forked from github.com/lawrie/ulx3s_zx8 WIP!

Toolchains and Utilities

• Toolchain Installer Install everything from one script!
• Icestorm
• Mac OS X support @kost homebrew
• nextpnr
• project-trellis
• ujprog see also emard's quick start binaries for Mac, Linux, RPi, and Windows
• yosys

Other ULX3S Links:

• Radiona.org and their YouTube Channel
• DIY kitspace
• Davor and Goran talk about ULX3S YouTube @dorscluc 2019
• emard's ULX3S PCB source in particular the schematic and ECP5 constraint file.
• [emard's ULX3S Quick-start binaries ]