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alex last won the day on July 13 2015

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About alex

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  1. alex


    Looks and sounds fantastic, good work there! I’ve been taking a little break from my project as I came down with tonsillitis and been feeling very sore and drained. Also the weather’s been very depressing as we head well into autumn, it’s been foggy all day every day for over a week now from morning till evening. I feel like I’m living in the Silent Hill movie. Overall it looks pretty cool but I haven’t seen the sun in a while and I miss it.
  2. alex


    I know what you mean. I have an Arty board that I bought two years ago but haven’t used it yet. The closest I’ve been to Örebro is Eskilstuna which is where my sambo’s mom lives. PS the 1942 arcade game is now complete, works on Pipistrello. You can get if from my GitHub in link above.
  3. alex


    Wow that sounds like a lot of work, well done. Do you publish your sources for these kind of projects (do you have a repository somewhere, like I do on github) ? I see the Pipistrello 2.0 has been discontinued, too bad, I think it was a great dev board and I still use mine due to the size of the LX45 and the built in sound/HDMI connectors. Have fun in Sweden, I live in Kalmar but I work in Mönsterås.
  4. alex


    Hi Vlait! Big things mate, I met someone special and about two years ago I decided to move to the other side of the planet to be with her. So I quit my job, sold my house and everything I owned and moved to Sweden with nothing but a suitcase I've been living in Sweden ever since with my amazing Swedish woman who speaks perfect English (so yeah, not a catfish after all). Took a bit of time to get accustomed to the Swedish language, get a job, get a drivers licence all over again from scratch because the Swedes won't convert a NZ drivers licence to Swedish but they will quite happily convert a Japanese one... pretty loopy. The best think about Sweden is IKEA ?, no no I joke, It's the meatballs. But seriously, best thing about Sweden is the people, they're pretty great and the country has some great culture. The worst thing about Sweden is the goddamned ads for gambling. You can't watch TV or listen to radio without having 3 to 4 stupid ads in every ad break about the same 5 or 6 shitty online casinos that promise you easy money. It's so infuriating. So anyway, family life can be pretty hectic but lately I've had some time to get back into the hobby and drifted back to FPGA stuff. Our apartment isn't such that I can have my man cave full of equipment like I used to, but with FPGA stuff all I need is a small corner with a laptop. I'm just now putting the finishing touches on the 1942 arcade game which is what I've been working on lately. Sorting out some sprite issues and will do a final push to github in the next few days, then that game is done. Then I have another project in mind which is something I've wanted to do for a while but I've been scared to touch it because it's a bit of a monster compared to the games I've done so far and likely a very long term project. Lots of custom chips, lots of memory (maybe too much for an FPGA), fancy audio with FM and speech synthesis, 68010 CPU, etc, I don't even know if I'll be able to finish it once started, but I plan to make a fair effort into it and if I fail, maybe someone better than me can continue it. Here's a hint:
  5. alex


    Hey guys, It's been a while since I was last here so I thought I'd pop in and say hi to all the old timers I used to know. I wonder how many of them are still here poking around, trying to beat them FPGA gates into submission A
  6. This is available on HaD, looks pretty useful if someone wants to reuse/recycle modern LCD displays like the ones in iPhones. Source code and everything is available.
  7. alex

    LogicStart Shield for the Papilio DUO

    That is what I think as well. It's hard to make one mega shield that will please everyone, which is why I'm surprised that there hasn't been a bigger emphasis on wings, which was a big selling point in the old days of Papilio. With individual wings one could assemble exactly what they needed. I still think it is useful to have specialized mega wings such as the arcade one for example but for learning purposes a collection of individual wings could be more suitable. For example the logic megawing can be broken down to an 8 bit wing with 4 sliders + 4 LEDan 8 bit wing with 4 sliders + 4 LED an 8 bit audio wingan 8 bit wing with directional switches (or joystick)a 16 bit VGA winga 16 bit wing with the 7 segment displayThen everyone's happy. You want alphanumeric displays, just replace the 7 seg wing with and alphanumeric one (once one is designed of course). Or maybe you want 8x8 dot matrix. No need for VGA, leave that wing off and you have more free pins available. Maximum flexibility. Another useful widget might be a 8 bit wing to PMOD adaptor, either straight or right angle to open up the world of Digilent PMODs to the Papilio.
  8. alex

    Question about Papilio Pro

    A Papilio digital line set to be an input should not place that much load on your test circuit as to cause a huge voltage drop. Most likely the FPGA has the internal pulldown resistors configured and they are stronger than your test circuit pullups. You should re-synthesize the bitstream with all pullup/pulldown resistors from the FPGA removed in the constraints file.
  9. alex

    LogicStart Shield for the Papilio DUO

    You can try to do video processing with HDMI in /out wings. VGA input is problematic due to it being an analog signal.
  10. alex

    Propeller 1 open source

    Niceeee. I like it when this sort of stuff happens.
  11. Yeah the subscription is only $50/year for the electronic edition (pdf download). I've been reading CC since I was a young whipper snapper, I have a full pdf collection back to issue 1.
  12. Hey Jack, you might have to buy Colin a beer or two next time you see him. In the latest issue #289 of Circuit Cellar magazine he has another article that starts with a very large picture of a Papilio Pro and LogicStart Megawing. It almost looks like a full page ad for Papilio.
  13. alex

    Papilio DUO Kickstarter - Feedback request!

    But trenz are not cheap, expect big markup on price
  14. alex

    Papilio DUO Kickstarter - Feedback request!

    Looks pretty flashy Jack, I wish you all the best with this new KS endeavour and hope you achieve the funding. Video sound is a bit echoey, mic must not have been close enough but nothing major.