InternalRegister @IntRegister

internalregister.github.io Lisbon, Portugal Joined March 2019

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InternalRegister @IntRegister

11 months ago

I bought a Playstation Portable a few months ago and wanted to learn how to build programs for it. Instead of just building some sample programs, I ported an Another World/Out of this World engine. github.com/internalregist… #psp #homebrew #retroprogramming

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InternalRegister @IntRegister

3 years ago

I've been working on a Z80 high-level assembler in my free time for fun and I've decided to put it on github: github.com/internalregist… #z80 #assembler #RetroComputing

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InternalRegister @IntRegister

4 years ago

Wanted to work with an AY-3-8910 sound generator I bought a while back and decided to make a video about it: youtube.com/watch?v=srmNbi…

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InternalRegister @IntRegister

4 years ago

Just wrote a blog post about a project I've been working on. Yet another video game console, this time FPGA-based: internalregister.github.io/2021/08/08/Ano…

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InternalRegister @IntRegister

5 years ago

Back to electronics (I hope), bought 2 TMS9918A Video chips and they look brand new and the text is oddly different on the two, could they be fake? 🤔

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Tynemouth Software @tynemouthsw

6 years ago

New blog post: How does the ZX80 work? blog.tynemouthsoftware.co.uk/2019/10/how-th… Find out why it spends most of it's time executing NOP instructions or halted; with newly drawn schematics, logic traces and screenshots. Warning, quite a long blog post - have tea and biscuits on standby throughout.

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InternalRegister @IntRegister

6 years ago

For those curious on how the video works on my console, I finally finished writing the post about it: internalregister.github.io/2019/09/29/Con… I also wrote an online simulator as a companion for the post: internalregister.github.io/2019/09/29/Con… #electronics #retrogaming #retro

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InternalRegister @IntRegister

6 years ago

A few people have asked when the post on my video game console's video system would be out. It's almost finished, one of the reasons it's taking so long might be because a part of it will be interactive.

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InternalRegister @IntRegister

6 years ago

From my last mini shopping spree: 65C816 CPUs, the same CPU as in the Super Nintendo. Why did I buy them and what will I used them for?... Honestly, I don't know, but they looked too cool for me not to buy them.

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InternalRegister @IntRegister

6 years ago

PC monitor broke down after 12 years. Looking for a new one. Seems that now there are TN, VA and IPS panels, different response times, input lags, refresh rates, etc. So many choices and every monitor seems to be not so good at something. Didn't it use to be easier?

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InternalRegister @IntRegister

6 years ago

Just got this neat FPGA board with 32MB of SDRAM. Not the latest nor the fastest, but at a nice price and good enough to make really cool stuff. Now I need to learn how SDRAM works so I can make a custom memory controller.