... more recently I switched to using this:

https://www.amazon.com.au/dp/B07Z5W7QS7?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1

Thanks again for sharing this link. I ordered one straight away, and it arrived today (from the UK).

It's a really good solution. A nice quality HDMI display ...

Here is my mob of MECBs...

That's a nice collection. I wish I had mine as organised as yours!
I seem to only have the space for one setup running at a time. So, I have a pile of MECB cards, that I borrow from.

I also should build a few more, as I'm always swapping PLD's and reprogramming ROM's ...

cream51 wrote: Mon Jan 05, 2026 1:29 am thanks for the help,,and you put me on the solving track.
now both 6809-6309 cards are working.

So glad to hear you're now up and running.

Have fun!

I previously used the GBS Control based video convertor but more recently I switched to using this:

https://www.amazon.com.au/dp/B07Z5W7QS7?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1

It's handy because it plugs straight into the 99x8 board and converts to HDMI which most modern displays ...

Festivities over for the day, this is what Ive been doing recently...


Hi David,

That was an interesting story.

On a related note, I spent most of my career in IT, so everything work based was mostly Windows based. However, in the years after Apple went to Intel processors (around 2007 if I ...

I would like to build that board but I have two questions:

The complete kitset (including the PCB only, and optional packs to make the full kitset), is available from my Tindie store here:
https://www.tindie.com/products/38551/


1) Is the ATF17V8 pal chip available pre-programmed ...

can you look once on that board.
the processor is an HD63C09EC, so normaly no oscillator build in
is SW3 correct, on "C"

Sorry, I somehow missed this message.

But, it looks like David has you covered. Thanks David!

I'll just add one more thing: The 'ROM WE' header should have a jumper ...

i tryed some changes on my cpu board, the processor is an EF68B09EP, so no oscillator on he chip
i removed the JP2, just connected on 1 side.

Good. Assuming also, that the CPU chip is correctly marked.
I did have some issues with falsely re-marked 6809 chips. i.e. 6809P that were really 6809EP ...

please can you look once at the pictures, to see if the µs and the jumpers are correct. there is no connection with the serial port

Hi!

From the best that I can see, it appears you have the same USB Adapter as I have (as I pictured above), and it does appear to be connected correctly (assuming ...

can someone help me with the connection of the J6 , and witch and how to connect to FDI, i guess "rs232 tro usb" card

Hi. Hopefully a quick photo can help.

You simply need to connect TxD, RxD, and GND to your TxD, RxD, and GND of your TTL level USB Adapter.

Seperate to this, you'll need to GND ...