Universal utility for programming FPGA

Atari STE MiSTery core for the Tang Nano FPGAs

Commodore C64 core for the Tang Nano 20K Primer 25K Mega 60k Mega 138K Pro Console60k/138k FPGA

An open source PSRAM/HyperRAM controller for Sipeed Tang Nano 9K / Gowin GW1NR-LV9QN88PC6/15 FPGA

Verilog implementation of PAL, NTSC and SECAM color encoding

Tutorials centred around Gowin FPGA parts for the /r/GowinFPGA subreddit

Apple II FPGA Co-Processor

A Pac-Man Arcade implementation for the TangNano9K using HDMI

A Dockerfile with a collections of ready to use open source EDA tools: Yosys, SimbiYosys (with Z3, boolector and Yices2), nextpnr-ice40, netxpnr-ecp5, nextpnr-gowin, Amaranth HDL, Silice and Verilator.

Educational VHDL computer with a single-click toolchain for assembly, simulation, and execution on FPGAs

Trying to get a new skill

Atari 2600 VCS core for the Tang Nano 9k Nano 20K Primer 20k Primer 25K Mega 60k Mega 138K Pro Console60k/138k FPGA

Commodore VIC20 core for the Tang Nano 9k Nano 20k Primer 20k Primer 25k Mega 60k Mega138k Pro Console60k/138k FPGA

Re-coded Gowin GW1N primitives for Verilator use

Open-source HDMI/DVI transmitter for the Gowin GW1NSR-powered Tang Nano 4K

Apple IIe FPGA core for the Tang Nano 20K, Primer 25k, Mega 60k, Mega 138k Pro, Console 60k / 138k

Tang Primer 25K's GW5A-based FPGA SPI interfaced HDMI output and more

Sipeed Tang Nano: Fully Opensource Toolchain for FPGA Synthesis, Place & Route, Simulation and Download/Flash.

Examples for Gowin Tang Nano 4k FPGA-board.

本项目采用高云 ACG525 FPGA 作为核心硬件平台，利用FPGA 的硬件并行处理特性打造集多协议转换、数字信号测量、模拟信号采集与发生于一体的多功能数字信号调试终端。 项目依托 FPGA 的硬件逻辑并行架构，可同步实现 CDC 串口驱动的 USB转 SPI、I2C、UART 等多协议转换及多路 PWM 输出；针对数字信号测量，FPGA 能通过计数器及高精度时钟测量周期性信号的频率、占空比及高低电平时间。在模拟信号处理方面，该作品可驱动高速 ADC 与 DAC，实现模拟信号的高速采集、存储、传输及波形生成，且能通过硬件逻辑直接处理数据，无需依赖外部处理器，大幅降低数据传输延迟。同时我们设计了GUI连接用户和底层FPGA硬件，实现用户对此产品的轻松操控。