Jump to content
Kevin Williams

Positive Commander X16 Changes are coming!

Recommended Posts

Hello Everyone! I know it's been awhile since there has been an update, so here goes:

Earlier this year I had mostly completed the "Proto #2" motherboard. It was a mad dash to get the PCB made before we met in New Jersey at VCF. Right at the end, @Frank van den Hoef made a pretty substantial change to the VERA, which required a bit of reworking. April came, the trip was cancelled and life went sideways for a bit for the world. As such, I decided I needed to focus on a few things for TexElec, and took a bit of time off from the project.

Last month I picked up where I left off and planned to make minor changes for the VERA and get the PCB made. However, the team had some time to think and oversights and optimizations became apparent. One change led to another, and let's just say, we're gonna break some code. Sorry. 1f642.png🙂

I do believe the changes made will not disappoint. I'm not going to reveal them just yet. I am still laying out the PCB and would like to do some testing to make sure it's going to work as designed. I am trying not to release too much of the schematic until the end, as anything is subject to change at this point.

The pic below is how I have the expansion bus pinned out. I may well move some the pins around to simplify layout, so again, not in stone yet, but I do think this is pretty close to what pins will be present. This post is majorly TLDR already, so I'll add a comment below with more info on the pins, and the idea behind some of it.

Take care!

x16 bus.png

  • Like 5
  • Thanks 2

Share this post


Link to post
Share on other sites

I couldn't help wondering if something major was in the works, given how slow the x16-emulator repo has been recently to discuss, approve, or deny pull requests. I'll be excited to learn more about the changes to the system!

Share this post


Link to post
Share on other sites
On 6/4/2020 at 9:43 PM, StephenHorn said:

I couldn't help wondering if something major was in the works, given how slow the x16-emulator repo has been recently to discuss, approve, or deny pull requests. I'll be excited to learn more about the changes to the system!

Rest assured even if things seem to slightly pause "publicly" in certain departments, there's always a ton going on behind the scenes. Our Slack channels are buzzing every day and emails flying back and forth between China and here, as we work towards releasing the best incarnation of that retro dream computer possible.

  • Like 4

Share this post


Link to post
Share on other sites
5 hours ago, BruceMcF said:

That's a relief to see the +/-12V lines outside the VCC and +3.3v lines, rather than next to signal lines.

it's almost as if it was daring you to plug the cards in backwards. 

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


×
×
  • Create New...

Important Information

Please review our Terms of Use