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Should probably be noted this isn’t actually running on a pregnancy test, it’s a pregnancy test plastic shell with a replacement CPU and display.



Was searching for exactly that and couldn't find an answer. That's what I would've guessed that such an expensive display won't be on a pregnancy test. Sad.

Hats off to this great achievement, even though it's not really all original hardware.


IIRC only the display is replaced, the cpu remains the same.


The CPU was changed.

https://twitter.com/Foone/status/1302453805057896448

"The existing CPU can't be reprogrammed and the existing LCD can only show 4 things, so I had to replace both to make any changes. And the current version doesn't even fit into the shell! (although I'm certain it will when complete)"


Ahhh, I stand corrected :)

Sometimes Foone's threads go on so long that twitter UI just gives up on linking them, or so it seems.


There's a Twitter App for Firefox https://addons.mozilla.org/nn-NO/firefox/addon/nitter-redire... that makes it possible to view several 160 char messages at the same time. Computers are so fast these days it is amazing.


The fact that you need to install a browser extension or use some other tool to view tweets in this manner is a big indicator that something is either wrong with Twitter for these kinds of posts or these kinds of posts are better served elsewhere.

It’s akin to writing a novel on post-its.


Someone -- it may have been OP actually -- has said that his ADHD makes it impossible for him to focus long enough to write and publish a blog post for things like this, but Twitter is low-commitment, low-attention enough that he can get it done.

I really hate Twitter for this kind of content as well, but I'd rather have it there then not have it at all.


Time to buy eightbaud.com and make the twitter competitor everyone has been subconsciously asking for.

Our corporate slogan: "Changing the world; one ASCII character at a time"


Minor nit - Twitter messages are up to 280 characters now.

https://blog.twitter.com/en_us/topics/product/2017/tweetingm...


This tweet suggests otherwise: https://twitter.com/Foone/status/1302453246536028160?s=20

In the original thread Foone said the IC was the "mask rom version", and thus not re-programmable. https://twitter.com/Foone/status/1301713156822032385?s=20


Yes, its a Doom running on a 4MHz 64Byte ram 8 bit microcontroller .....


Doom does not run on 64 bytes of RAM.

Original system regs were 8 MB RAM. You can run it on 4 MB and can shave off some more but you need 16-bit bus ~MB's of RAM to run it.


I believe that's if you're running it under Windows, I feel sure I was playing Doom on DOS with 4mb ram.

Edit: yep, https://oldpcgaming.net/doom-1-review/


Yes. I remember that too. I edited it to 4 mb just before you responded.

The point is you can't run doom on hundreds of bytes or even several kilobytes or in 8 bit microcontroller.


Indeed, I didn't need to nitpick




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