I don't turn #tangnano9k off, it works with the same firmware, but I disconnect the LEDs from #tangnano4k and press the button that is responsible for the OEN signal of the LVDS_IOBUF primitive.

As a result the LEDs on the breadboard are controlled by #tangnano9k

So LVDS_IOBUF: the first video shows the operating mode as INPUT. #Tangnano4k generates the signal, blinks LEDs, and #tangnano9k receives it and blinks its built-in LEDs.

#apicula #sipeed #gowin #fpga

The #tangnano4k generates a signal and sends it through a differential line to the counter-parallel LEDs (way to show that the signal is really differential) and then through two wires the signal gets to TLVDS_IBUF in #tangnano9k and it flashes its standard LED.🙂

It took me all day. getting old🙂
#fpga #apicula #sipeed #gowin

The IDES16 primitive has been functional on #tangnano4k. Don't pay attention to the small values of the decoded parallel signals - my analyzer has only 16 input lines and I physically can't plug all the IDES16 outputs together with the input signals.

I will look at the other boards tomorrow.
#fpga #apicula #gowin #siped

As expected, I found and switched the 4 lost signals and now OSER16 on #tangnano4k are functioning properly.

Now it's up to GW1NR-9 and -9C or alternatively, to wash the floors in the house😉

#apicula #fpga #gowin #sipeed

Pictures of the added #apicula support for the GW1NSR-4C chip (used in #sipeed #tangnano4k).😜
#gowin #fpga

GameBoy Switch-Formicapunk !
@Bouletcorp
@hackablemag
#formicapunk #gameboy #mario #supernes #tangnano4k @chisel_lang
https://video.ploud.fr/w/2aoF4HXFNLjLZoam88pt2n