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Madi

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Posts posted by Madi

    Cart Clone mod

    in Atari 8-Bit Computers

    Posted · Edited by Madi

    On 11/10/2022 at 11:49 PM, dancroteau41@gmail.com said:

    OH BYTHE WAY THANKS FOR THE CHIP NUMBER I DO KNOW IT A DEX OR DEC CONVERTER JUST CAN'T GET ANY ONE TO WANT TO HELP( OH WAHT A BUNCH

    I cannot say for sure if the IC is 14 or 16 pin type. Any way if it is  a 14 pin, it is most likely be 74LS04 Hex Inverter. Only need to use one gate (e.g pin 1 and 2).

    I am planning to make a cart clone for the sake of old days. Sure, it will be practically useless to use, since all 8 and 16 k carts are already hacked.

    Did not completely finished drawing it, but I will attach what I have if any one is interested. (hope to make a new topic for it one day)

    Pixels Past Cartridge Gerber Files

    in Atari 8-Bit Computers

    Posted

    On 9/7/2016 at 11:07 PM, electrotrains said:

    Hi All,

     

    Last year (before I started developing the Ultimate Cart) I decided to have a go at assembling some homemade cartridges using the Pixels Past circuit boards:

    http://www.grandideastudio.com/pixels-past/

     

    It took me a while to get the Gerber files provided in a suitable state to upload to OSH Park - there was a missing board outline file, and the drills file needed editing.

     

    In case anybody else ever fancies trying to get some of these boards produced from OSH Park, I've attached the known working zip file of the Gerbers that I used when I got my boards made.

     

    Robin

     

    pp_atari8bit_gerbers_OSHPark.zip 57.3 kB · 273 downloads

    Hi Robin

    It may be a little late to ask, but did you use eagle to rework the Gerber files?

    I am asking because I am trying make a minor changes on the board wiring. It is useless to import Gerbers to Eagle where import never complete correctly.

    Thanks

    Madi

     

    SDrive-Simple - Yet Another Hardware Variation

    in Atari 8-Bit Computers

    Posted

    2 hours ago, mytek said:

    https://github.com/kbr-net/sdrive-max

     

     

    I'm not sure what is meant by the question. Is 'what' feasible?

     

    I want to build this SDrive using the Adafruit breakout board. Before ordering parts, I was asking if it is possible to cut the 2 corners of the SD board so that the SD card module can be inserted in the Atari plastic case without much modification. Please see the 2 corners that were trimmed.

    madi

     

    Printing

    in Atari 8-Bit Computers

    Posted · Edited by Madi
    no need

    12 hours ago, Alex Landry said:

    I would like to be in DOS and do this.

     

    c

    text.txt, s:

     

    This gives me an Error 130

    What can I do to resolve this.

     

    Thanks 

     

    Alex

     

    Edit: Deleted ..

    Same answer provided by @Rybags.

    madi

    Unicorns season: Prince of Persia for the A8!

    in Atari 8-Bit Computers

    Posted

    9 hours ago, STE'86 said:

    How do you work out that a screen showing a middle eastern arabian palace in a desert with arabic style filigree, arches and  decoration, over which titles are displayed in a cinematic style, doesnt set the scene for PoP?

     

    which is a cinematic game, entirely based inside...an arabian palace.

     

    your logic escapes me...

    To clarify it, the picture has nothing to do with Arabian architecture or building style any where in Arabian peninsula . Have never seen such buildings in any Arabian land (desserts or forests).

    This is more of Indian style and to some extent a Persian (northen east).

    I believe it is an American type of story made by American cinematic world.?

    madi

    • Like 2
    • Haha 1

    1050 Select drive switch

    in Atari 8-Bit Computers

    Posted

    32 minutes ago, Nezgar said:

    Hi @Madi

     

    I was visiting my dad's place recently and found this in one of his spare parts bins, thought of you and grabbed it. It must have come from an 810 or 1050 at some point, because the solder on the pins looked like it was torn off of a PCB before I cleaned them up... If you still need one PM me, i'll drop it in the mail.

     

    Interesting it's stackpole, same brand as 800 (and some 800xl?) keyboard keyswitches...

     

     

     

    Hi @Nezgar

    It is very kind of you to think of me. I did manage to fix my broken switch with superglue and applied a thin layer of epoxy. It looked ugly but works great.

    I can not thank you enough for your generosity. I will keep that in mind for future need. Indeed, this switch is so previous due to its rarity.

    Thank ounce again.

    Madi

    • Like 1

    Altirra ROM/BIOS Set?

    in Atari 8-Bit Computers

    Posted

    55 minutes ago, MrFish said:

    As is turns out, the third set I was thinking of doesn't exist; it was actually just a large ROM collection.

     

    There are some bios sets provided by some members. The sets are essentially the same except for some differences. We could make one collection to be standard. Hence, update to that collection will be much easier.

     

    madi

     

    Altirra Bios _by Serj list.rar Altirra bios_by Mclaneinc .rar Altirra Bios_by Scotty.rar

    • Like 2

    #FujiNet - a WIP SIO Network Adapter for the Atari 8-bit

    in #FujiNet SIO Network Adapter

    Posted

    5 minutes ago, a8isa1 said:

    sorry, I meant SPIFFS was empty during my test. 

     

    I have an appointment with the cardiologist so further testing will have to wait.   I find out today whether I have a problem that needs immediate attention or if it's just something that needs watching.

     

    I don't have a USB to serial adapter so no direct means to see your debugging output.   Perhaps I can rig something with a Raspbery Pi later.

     

    -SteveS

     

     

    Wish your tests turn OK.

     

    • Like 1

    Altirra 3.20 released

    in Atari 8-Bit Computers

    Posted

    9 hours ago, CrazyChris said:

    I am noticing a strange lag in Altirra 3.20, when pushing the fire button,

    to start this game.

    ..

    Can anyone else confirm this?

    The game button behaves normal during play. No noticeable delay.

    Altirra 3.90 test 17 - under WIN 10 x64

    Did not test other versions/tests.

     

    madi

    Altirra 3.20 released

    in Atari 8-Bit Computers

    Posted · Edited by Madi

    The new relese "Altirra-3.90-test15" crashes just after loading. No response. No error message. Once loaded it stays on screen for few seconds. The mouse pointer changes to blue circle. Then it vanishes.

    Edit : Both of Altirra.exe and the 64 version act the same. System Win 10 1903 - x64.

    Reverted back to test 14. (working version)

     

    madi

    • Like 1

    magic dead 800xl

    in Atari 8-Bit Computers

    Posted

    I am sure you have checked that the the video cable is connected to TV/monitor and tested with another device.

    Actually, it happened to me once ?

    Check monitor jack for broken traces.

    Use the generic RC connector with (Ch2 -3).

    Press START while turning the computer (cassette sound?)

    If there is no sign of life or even a blink after that, then it is a mystery to me since you had already tried the U1MB and UV boards.

     

    Good luck

    madi

    • Like 1

    SDrive-MAX ATX support

    in Atari 8-Bit Computers

    Posted

    8 minutes ago, Mr Robot said:

    I changed the silk screen... then changed it back. I think it's correct to think of it from the drives (and therefore the UNO's) perspective.

     

    I guess just blinking a single LED for activity would get rid of the problem, and be more authentic.

     

     

     

    I guess, you have a point here. Still I recommend that you keep rx-dx leds. I like the alternating light better.

    Any how I tried to remap the routing of the wiring. I cant say that it is 100%  correct.

     

    Let me take this moment to thank you for the time effort and money you put into such projects and your kind welling to share your designs and tutorials with Atari community members.

     

    madi

    v5.png

    • Like 1

    SDrive-MAX ATX support

    in Atari 8-Bit Computers

    Posted

    On 10/8/2019 at 3:03 PM, Mr Robot said:

    A test version of the V5 board went off to OSHPark yesterday, now with power switch, power and rx/tx LED headers.

    UNO2SIOb.pngUNO2SIOf.png

    I am having some difficulties tracing the pins of V5 board.

    It looks as if TX-RX led signals pins are switched out. This may be due to some mixed up in the routing.

    Can you clarify please?

    Thanks

    • Like 2
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