originally from https://groups.google.com/g/alt.sources/c/25Iy6XQxwBk Released as Public Domain also refer to this PDF https://www.dossmatik.de/ghdl/GHDL_uart_sim.pdf
originally from https://groups.google.com/g/alt.sources/c/25Iy6XQxwBk Released as Public Domain also refer to this PDF https://www.dossmatik.de/ghdl/GHDL_uart_sim.pdf