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Mehridian Sanders

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Posts posted by Mehridian Sanders

  3. Posted

    Tempting, but I'm good.
    Limited space, I think I'll save it for a PDP or an Alpha. One HAS to fall into my lap eventually, right?
    Absolutely. I think once I get that damned cover back on, I'll put it up on Ebay or Facebook. I got a DX2 which should cover me good for actual gaming.

    Sent from my SM-G955U using Tapatalk

  4. Posted

    Oh, that's a DS12887? Good. That's a common package, and it is one with the extra SRAM too, so there's basically no compatibility worries. I believe my "random example" link is actually a direct one-to-one replacement.

     

    And that's a DEC board? Awesome. Only DEC product I own is a generic 101-key PS/2 keyboard. I'd really like to add a DEC machine to my collection of obsolete hardware(though preferably one that is actually a DEC architecture)

    The bios is Phoenix... Venturias? I think.. after putting in new thermal paste I will reboot.

    I can send this out to you... if you wish it. But cannot cover the costs.

     

    Sent from my SM-G955U using Tapatalk

     

     

    e1ecbb372ff74bd664179f0c13f2309a.jpg

  7. Posted

    That Dallas package is almost guaranteed to be a clock, SRAM, and battery all in one. Though I can't read the part number on that picture, I recognize that big ugly brick. Dallas sold them as real-time clocks, but then went and included enough extra SRAM that they could be used for configuration storage too. They will totally cause errors on boot(I think my IBM-compatibles with bad batteries have said "CMOS error - defaults loaded"). But at least in an IBM-compatible things aren't too bad. Swap the battery(or RTC module), enter the BIOS config, reset things, and you're a happy camper for the next decade or so.
     
    If you've acquired an old Sun workstation, where the system config, serial number, and ethernet MAC address are all stored in the RTC block... ugh. When the battery dies, the system is rendered unbootable. You can poke enough data back into a new one from the openboot interface to make it work again, but it is a royal pain(but still better than an arcade game's copy-protect battery, because it CAN be reprogrammed in place).  
     
     
     
    There are replacements available for most of the Dallas RTC blocks. Random example here.
    If I recall, there's one or two uncommon models where no pin-compatible clones exist, but most of the Dallas RTC line has drop-in replacements. Some systems don't like the replacements because they have more SRAM than the original part, but most don't care.
    I hope that one is socketed, otherwise you might take a serious look at the "dremel the end of the block off and solder a battery holder onto it" school of repair.  (A search for "dallas RTC repair" will get you a number of tutorials on that technique in short order)
     
     
    Part # DS12887
    REALTIME
    9549A2 071371

    Only designator I can find... digital tm m-3 17896b593a42a02891ab375881aa40934ce92.jpg

    Sent from my SM-G955U using Tapatalk

  10. Posted

    2 hours ago, wierd_w said:

    You dont need a powerful controller;  Those epaper displays have image persistence.  That means you dont have to keep refreshing/sending data to them.

     

    SPI is pretty simple. A little logic gate array driven by 2 gpios would let you individually address which device gets the spi connection, then you just write on them sequentially. It isn't like this is gonna do full motion video or something.

    Is there an easier way to program SPI? I only know of the Dediprog and Xeltek. I am always willing to be wrong, which helps with married life too.

  11. Posted

    2 hours ago, wierd_w said:

    You dont need a powerful controller;  Those epaper displays have image persistence.  That means you dont have to keep refreshing/sending data to them.

     

    SPI is pretty simple. A little logic gate array driven by 2 gpios would let you individually address which device gets the spi connection, then you just write on them sequentially. It isn't like this is gonna do full motion video or something.

    Believe me I love SPI. I simply lack the programmer. I use Dediprog quite a bit in my work. I would love to own one, but.... money... reasons... kids. I will grant you the microcontroller is more than what we will need. However it is easy to program. Easy entry level TI project. Get em hooked in.... show em around... get em addicted. yanno....

     

  13. Posted · Edited by Mehridian Sanders
    Title Correction

    I typed this Title in and thought. That's a damn close definition of me.

     

    Anyways, my question is :

     

    How Many Matt's Do we have here? What other strange coincidences are you noticing?

    We got JediMatt42, Myself, Matthew180.. and I believe there to be more. The power of Matt compels you!

     

    Matthew Epler worked on a TI Keyboard to USB Mod. Seems a Lot of Matt's were made between 1970 and 1985. (1978 Here)

     

    I am finding that strange coincidences are running a little rampant lately. I work on the 3rd Floor, I work for a group with 3 in the acronym, and I am one of 3 "Matt's" in the group.

     

    What strange coincidences have you been seeing lately?

  15. Posted

    Maybe 4 of these in a row?

    https://www.amazon.com/waveshare-2-13inch-Resolution-Controller-Interface/dp/B07RMCR921/ref=sr_1_131?keywords=epaper+display&qid=1575879882&s=electronics&sr=1-131

     

    Dimensions in mm are 23.71mm × 48.55mm (0.93" x 1.91")  Flexible, so you could adhere them to a stiff plastic stock backing then slip it into the strip holder. You would need to route the trailing cables out the back of the stiffening strip, but that seems doable...

     

    ??

    Put them in list for post christmas purchase. The controllers are $7.10 from aliexpress for 2 of them. Those will arrive after christmas. So project may be on hold until then but do keep brainstorming. I like what you guys are saying here. atariage_icon_smile.gif

     

    Sent from my SM-G955U using Tapatalk

     

     

     

  16. Posted



    "what can we do with the rest of the GPIO?"
     
    To be honest, these little things have me considering an upgrade to the RepliPEB bezel; These 1"x2" SPI epaper tags are JUST PERFECT for putting just above the light pipe holes. All sorts of data could be reported about the card in the slot that way, aside from just an activity flash. (sorry, did not need to hijack, but the thought occurs to me.)


    Creative chaotic mind patterns are my bread and butter. No hijack felt, every idea leads to another. I like this too.

    Sent from my SM-G955U using Tapatalk

  17. Posted · Edited by Mehridian Sanders

    1 hour ago, wierd_w said:

    If the compiler runs on linux, worth a shot.

    well got all the files on my Rpi 3B+... file not found... in Thonny "no such file or directory: xas99.py"..

     

    added all 3 python paths to Make.py
    #!/usr/bin/python

    #!/usr/bin/python2

    #!/usr/bin/python3

     

    I am assuming i need to point to the darn file. Just not sure how. reading .... 
    butterfly in the sky ... I can go twice as high ... 

     

  18. Posted

    eInk display seems ideally suited.  You dont need (nor really want) OLED for this application.
     
    1) OLEDs degrade and get burn-in
    2) They are expensive
    3) tend toward being rigid displays
    4) emit light
     
     
    eInk display however, could conceivably fit in the existing overlay slot natively, is low power, does not emit light, and all that.
    I must've assumed with the matrix listing, dagnabbit. eInk looks pretty good. Saw a paper display on adafruit like this. 8.125" x 1" would work well for the original idea, now to find the display. On the hunt..

    Sent from my SM-G955U using Tapatalk

  20. Posted

    3 minutes ago, wierd_w said:

    It can also happen with 64bit code being run on 32bit windows. (or on a 32bit processor.)

    I've noticed that most programs are installing with 32bit when I am running a 64bit system

      

    ------------------
System Information
------------------
      Time of this report: 12/8/2019, 21:16:00
             Machine name: MEDUSA
               Machine Id: {29F1C508-6D1B-4696-897A-136C2F149892}
         Operating System: Windows 10 Home 64-bit (10.0, Build 17763) (17763.rs5_release.180914-1434)
                 Language: English (Regional Setting: English)
      System Manufacturer: System manufacturer
             System Model: System Product Name
                     BIOS: 1301 (type: UEFI)
                Processor: Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz (8 CPUs), ~4.2GHz
                   Memory: 16384MB RAM
      Available OS Memory: 16322MB RAM
                Page File: 5748MB used, 29006MB available
              Windows Dir: C:\WINDOWS
          DirectX Version: DirectX 12
      DX Setup Parameters: Not found
         User DPI Setting: 96 DPI (100 percent)
       System DPI Setting: 96 DPI (100 percent)
          DWM DPI Scaling: Enabled
                 Miracast: Available, with HDCP
Microsoft Graphics Hybrid: Not Supported
           DxDiag Version: 10.00.17763.0001 64bit Unicode

     

  21. Posted

    5 minutes ago, wierd_w said:

    What version of windows are you running?  The "not a valid win32 application" error is rather generic, but happens when either the executable code is completely borked, OR, when the api-level of the win32 subsystem is too old for the process needed.

     

    If the toolchain as developed on a very recent version visual studio, this would explain everything; It wants windows 10.

    Running Windows 10 Home Version 1809 (RS5) // 19H1 ought to be very interesting when it comes out. 

  22. Posted

    1 minute ago, wierd_w said:

    What version of windows are you running?  The "not a valid win32 application" error is rather generic, but happens when either the executable code is completely borked, OR, when the api-level of the win32 subsystem is too old for the process needed.

     

    If the toolchain as developed on a very recent version visual studio, this would explain everything; It wants windows 10.

    i've been putting off a windows update for a couple of days 

    lol

    BRB

  23. Posted

    Looks like I just get to learn python. I did some json programming 8ish years ago when I was stuck on starbound. Fun lil sidescroller. Written a couple of regkeys. Almost had a working code for the TI keyboard to USB conversion.

    Most of what I like doing is hardware. As long as there is code like what I am trying to do for my own enjoyment, I can adapt it.

    This has been a test for me. Pretty close to what is needed. Think 90% of the FG99 is done. Just the microcontroller programming is left.

    Sent from my SM-G955U using Tapatalk

  24. Posted

    Well Put all the .py files from the Finalgrom Master file into the TI folder and ran Make.py again

      

    D:\TI Stuff\finalgrom99-master\ti>make.py
Traceback (most recent call last):
  File "D:\TI Stuff\finalgrom99-master\ti\make.py", line 11, in <module>
    if call(xas + ["menu.a99"], shell=False):
  File "C:\Users\mehri\AppData\Local\Programs\Python\Python38-32\lib\subprocess.py", line 340, in call
    with Popen(*popenargs, **kwargs) as p:
  File "C:\Users\mehri\AppData\Local\Programs\Python\Python38-32\lib\subprocess.py", line 854, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "C:\Users\mehri\AppData\Local\Programs\Python\Python38-32\lib\subprocess.py", line 1307, in _execute_child
    hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
OSError: [WinError 193] %1 is not a valid Win32 application

    so if it is not a valid Win32 App... so confused. will keep reading on. 

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