nano4k_hdmi_tx

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

Defaults to a 720x480@60Hz resolution, 24-bit color, currently transmitts a forwards-compatible DVI signal.

RTL written in Verilog with some help from Gowin's OSER10 blocks, includes demonstrations of various graphics:

PAL bar test

Set "pattern_generator_top.v" as top module.

Bouncy box

Set "bouncy_box_top.v" as top module.

SRAM Framebuffer

Set "sram_framebuffer_test_top.v" as top module.