[chbot] 8 bit discrete logic CPU update

[Matthew Bridle]

Hey, at least switching to halt doesn't also happen to make it catch fire :P

Congratulations! I'm looking forward to seeing it.

Cheers!

Matthew

On 5/07/2017 5:30 AM, "Mark Atherton" <markaren1 at xtra.co.nz> wrote:

> Well done William !
>
>
> On 5/07/2017 12:21 AM, william fleete wrote:
>
> I have finally received some working memory for my Ben Eater clone 8 bit
> CPU and I have a video of it running its first bit of machine code which
> exercises a lot of the LEDs and most of the modules.
>
> Still a few hardware issues eg switching to halt can corrupt memory
> (writes the switches to a selected location) and when carry isn't on long
> enough the jump on (no) carry doesn't execute right or at all
>
> The IO card I made for it works, at least the TTL IO, you can input a
> value from user input to memory or the A or B register and the output is a
> duplicate of the output (display) register
>
> Link to the video https://youtu.be/LhoYCXn8XP4
> Might eventually get it fully 8 bit with 256 bytes memory
>
> I shall show it off more next meeting
>
> Sent from my iPad
>
>
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