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Hi Group, I've added a new page to the github Wiki to consolidate our research here https://github.com/skiphansen/xcat_ng_hw/wiki/X9000-memory-and-IO-maps . I think I've set it up so it can be

Hi Group, Here's another update to review. Changes: 1. Added pullup resistors on DH interface, thanks Dave! 2. Connected PlugRd and BufDirIn to processor, thanks swguest ! I've also updated the

I retired my WINXP about a week ago and so, new to Win10 and getting sorted out what legacy stuff will work. The new GUI makes my eyes and brain bleed so I am not at 100% to try much at the time. I

Nice, and if you're having trouble getting the radio to release from the mounting plate, you can use the Toughbook as a blithwapper to get it started moving! De

It's the Chinese so who knows. It probably emits gamma radiation. :) I'll probably pick up one of the little eraser drawers off Amazon. They are cheap enough. Oh, on a side note, I was able to

They're selling those things to mortals, so I suspect they're not all that powerful. :) De

FAIL ERROR is in the firmware along with programming and other system messages as well as the alpha character sets with the / - _ characters. The head is of course programmed via SB9600 but it

@ Joe, Do you have a means to connect you X9000 to a Windoze computer via serial port and RIB? It might work with a USB---> serial adapter too, I've never tried it. I've run the Mototools proggy on

If RSS doesn't deal with cheating the number of entries higher, then there's serious doubt that the radio will do it reliably either. I'm not convinced it makes sense to try to force it. In the X,

I picked up a TL866II Plus reader/writer. It's a pretty neat little kit for about $70. So far I have been able to read and backup the codeplug and FW chips in the X9000 and also my old T3011DX

@ Dennis, Yeah, it's squirrelly. For a 2k codeplug, the beginninf of the MPL data storage offset is 0700h, and goes for 64 bytes, ala 4 bytes (2 for RX,2 for TX) per MPL unit X 16 MPL units. That is

SB9600 does provide a mechanism for writing labels and such to a control head over the bus, but it's not clear to me whether that's ever used by the radio. Since you have to also program the control

@ Skip, Well I couldnt resolve the 2 different labels so I "connected" them myself to try to make it make sense...lol IIRC Eagle will complain if you have unconnected lines/labels. I *think* it will

I'm hoping the ROM will provide us with some clues about how the PL data is laid out. I've already seen it calculate a couple of offsets. De

Can the X9000 VFD display be written to externally via the SB9600 bus? If so the XCAT9K could push channel labels to the control head and multiple pages of channel labels displayed. Of course that

A second set of eyes certainly helps, thanks for reviewing it! Actually the output from U4a goes ... NOWHERE! That thing that looks like a wire is a BUS and PlugRd is just one signal in the bus,

@ Skip Just had a bit of time to take a look at your schematic. That's a lot of work and a colossal effort to maitain legacy functions...a labor of love for sure. I've made a bit more discovery on the

If I understand correctly from a hardware viewpoint that could be done. The Pico has 2 megabytes of flash, I'd be shocked if the firmware took more than 128k so there's plenty of space to

Would it be possible, and this coming from my exceedingly vast ignorance, while treating the XCAT9K as multiple code plugs and (for present) use the RSS to write to each codeplug image as a separate

We're doing everything out in the open in this group. There are no side discussions. Personally I'm not interested in a control head at the moment, but I'm happy to support anyone who is. Other than