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DIY-A586 v1.9 by piotr_go

piotr_go 37464 329
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  • #181 21063548
    piotr_go
    DIY electronics designer  
    I found this last kingston at my place. It looks like the card is hanging up at some point. The led lights up, and doesn't go off
    I'll try to track it down.
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  • #183 21064144
    woks11
    Level 13  
    And please have another look at this , it is about mode selection "At power up this line has a 50KOhm pull up enabled in the card. This resistor serves two functions Card detection and Mode Selection. For Mode Selection, the host can drive the line high or let it be pulled high to select SD mode. If the host wants to select SPI mode it should drive the line low. For Card detection, the host detects that the line is pulled high. This pull-up should be disconnected by the user, during regular data transfer, with SET_CLR_CARD_DETECT (ACMD42)." Thanks for the ROM , I'm testing in a while :) . One more thing , I can't find anywhere if 1 and 8 of the card in SPI mode should be pulled up.
  • #184 21064169
    piotr_go
    DIY electronics designer  
    woks11 wrote:
    At power up this line has a
    "c" but I don't see this "c" anywhere.

    Pull-ups in SPI mode are not needed. I gave in case I wanted to switch to SDIO.
  • #185 21064365
    woks11
    Level 13  
    It was about the dat0 line , but I think I got caught up because it's not the problem. Super thank you for your help on the 3.2 roma it seems to run without any "hiccups" (I will keep pestering it). Now ROM 3.2 and WB 3.2 can see and format partitions over 10gb with no problem. On the other hand ROM 3.1 on whatever WB, hd toolbox throws up something like this.Can changing the rmu help ? Screenshot of a tool for defining a new drive type with an error message. .
  • #186 21064601
    piotr_go
    DIY electronics designer  
    Pay no attention to the old HDToolbox. It does not support larger disks and displays silly things.
    Preferably create partitions in the new one. Alternatively, in the topic about DIY 1.6 there is an image of the card with DOS. Burn to the card and under DIY you will have a 2GB amiga disk and on it 2 partitions.
  • #187 21065009
    woks11
    Level 13  
    I am delighted and happy to report that three installations of various WBs have gone through without any problems. In my case, I noticed that the A586 is quite picky about cards and "gets along" best with U1 SunDisk cards. So your intervention was essential for which I warmly thank you :) .
  • #188 21065076
    piotr_go
    DIY electronics designer  
    Super. I'll upload the new ROM to github.

    I've tested:
    Kingston (8GB), Kingston Canvas (16GB)
    Kioxia Exceria (32GB, blue)
    Patriot EP U3 (64GB, so red and black)
    Sandisk Ultra (8/16GB, the 2-colour ones, but quite a while ago, I ran out)

    No cards older than SDHC (usually under 4GB) will work.
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  • #189 21066468
    xangel
    Level 19  
    piotr_go: with me also helped this SD patch for all problems with Amiga. Bravo!

    On the other hand as for the RISC core - today I receive from the packet of 5ns memories so I will replace and everything will be known.
    I'll definitely let you know.

    I'll just boast - after replacing the memory with 5ns everything works as expected. The RISC core has started to laugh, DOOM is running (without voice), the MP3 player is working.
    I attach pics of my Frankenstein :)

    Close-up of a custom computer hardware setup with a circuit board and various ports. Image of a modified floppy drive with an attached green circuit board mounted on standoffs.


    Now I start searching for a software, that will allow me to easily extract an Amiga partition in order to plug it under the emulator, drop in my files and record it back in the middle between the DOS partitions.
  • #190 21066889
    piotr_go
    DIY electronics designer  
    Super.
    Here you will find the flopp mounting tiles:
    https://github.com/piotr-go/DIY-A586/blob/master/v1.9/3D/floppy_mount.zip

    Under Linux just copy /dev/sdXX
    You can also mount the card directly in FS-UAE.

    On the Amiga you can mount a FAT partition with fat95.
    You then flip what you need between the amiga partition and the FAT on the DIY.
    (TIP: FAT16 is faster to mount)

    Some time ago I ordered the panels:
    DIY Amiga adapter with joystick and floppy ports.
    Short because I am stingy :D .
  • #191 21067677
    woks11
    Level 13  
    And now the fundamental question. When do we mount the next model on the AGA :) .
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  • #192 21071595
    xangel
    Level 19  
    Then I'll shyly write: how about an Atari 8-bit core?
    Piotr: you've probably seen the ZX-UNO-VGA-2M project:
    https://github.com/ManuFerHi/ZXUNO_VGA_2M
    It's on the same FPGA and has a lot of cores available - maybe it would be possible to port something?

    The second thing: I feel like redrawing your board to ITX format, so that all sockets are on the back.
    However, such a "computer" would make more sense if the cores were developed, and since you are working on a "bigger" Amiga on a "bigger" chip I shoot that you consider this project finished. That is, it involves a lack of support. And it would be nice if the PC core somehow got station support.
  • #193 21071655
    piotr_go
    DIY electronics designer  
    xangel wrote:
    It's on the same FPGA and has a lot of cores available - maybe it would be possible to port something?
    Because of the different framework the matter is not so simple.

    xangel wrote:
    Since you are working on a "bigger" Amiga on a "bigger" chip then

    The 2.x version will not be made available for assembly.
  • #194 21071964
    xangel
    Level 19  
    piotr_go wrote:

    Because of the different frame the issue is not that simple.

    Sorry.... I didn't know that memory alone played such a role.

    piotr_go wrote:

    The 2.x version will not be made available for submission.
    This is understandable. Similar MIST-type projects can be nicely monetised.

    Maybe you won't completely abandon version 1.9 though :)
    I'm keeping my fingers crossed!
  • #195 21077449
    woks11
    Level 13  
    I don't know what the technical capabilities of the fpga are. You were talking earlier about lack of space to stuff more in the spartan 6, and if you split the core, on one the graphics including AGA, and on the other the rest of the peripherals "gary etc". Why such an idea. Because , they cost 5 bucks.
  • #196 21077621
    piotr_go
    DIY electronics designer  
    woks11 wrote:
    and if you split the core, on one the graphics including AGA, and on the other the rest of the peripherals "gars etc"
    If you like BGA then why not....
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  • #197 21077888
    woks11
    Level 13  
    I was thinking of two XC6SLX9-2TQG144C
  • #198 21081040
    leonecomdir
    Level 9  
    By the way, I assembled the board but couldn't get it to work straight away because I mistook the quartz oscillator for a quartz resonator. Generally, as a user pointed out earlier, there was a short circuit. I ordered the correct generators and got it working today! The menu works, the NES core works, I couldn't find the 128.ROM in Spectrum, it's not in the Git Hub right now. Doom and mp3 don't run yet, maybe something is wrong with the memory. Kickstart works, but I haven't created the disk yet, I'll continue tomorrow.
    Actually one question for now - where can I get the 128.ROM?
    Thanks!
  • #200 21081109
    spgstany
    Level 3  
    have black borders on screen in amiga games
    have any solution for make picture on full size of screen?
    games on screens loaded from bootable ADF
    Amiga game screen with black borders on the sides. Prince of Persia game screen on a monitor with black borders on the sides.
  • #201 21081801
    piotr_go
    DIY electronics designer  
    That's how these games were made.
    To cropp try pressing "PrScr" several times, but your monitor may not accept non-standard resolutions.
  • #202 21081838
    spgstany
    Level 3  
    piotr_go wrote:
    That's how these games were made.
    To cropp try pressing "PrScr" several times, but your monitor may not accept non-standard resolutions.

    I tried use "PrScr"
    different resolutions on diy-586 have different borders in games
    screen same game on original amiga
    Retro computer game screen with Arabic graphics and Individual Computers logo at the top.
  • #203 21082231
    leonecomdir
    Level 9  
    So the Spectrum core works on the Zxtanks games screen. Esxdos works too. All that remains is to release 8086, Amiga and risc-v doom)))) Graphic from the Zxtanks game on a Spectrum computer screen. .
  • #204 21082863
    piotr_go
    DIY electronics designer  
    spgstany wrote:
    I tried use "PrScr"
    different resolutions on diy-586 have different borders in games

    Aaaaaa, sorry, i forgot.
    I removed some resolutions and added interlaced modes instead.

    720x576 640x512
    288i 256i (for HDMI->RGB converter and SCART)
  • #205 21083217
    spgstany
    Level 3  
    >>21082231
    @leonecomdir
    have you music in ZX games? noises?
  • #206 21083432
    leonecomdir
    Level 9  
    Workbench screen with a gray background and a mouse cursor.

    Good afternoon. So far the maximum that has been achieved is the workbench screen.
    We need details on the workbench and kickstart versions. Now 3.4.1 and 3.1 (kick40063.A600) respectively. Is this normal
    Is it necessary to patch (patch) kick31.rom?
  • #207 21083506
    piotr_go
    DIY electronics designer  
    MD5:
    82a21c1890cae844b3df741f2762d48d KICK13.ROM
    e40a5dfb3d017ba8779faba30cbd1c8e KICK31.ROM
    33bc28d0fd88c121d09b182ff1026c5f KICK3221.ROM

    Patch not needed, just SD.ROM

    Booting from card or floppy?
    Which SDRAM did you use?
  • #208 21083711
    leonecomdir
    Level 9  
    >>21083217
    I haven't soldered the audio connector yet)) I will try tomorrow to check

    Added after 5 [minutes]: >>21083506 Thank you! I booted from the card, followed the instructions from git-hub, tried different combinations of kickstart and worckbench and different Amiga models in the emulator (fs-uae). I gained experience, now I can install AmigaOS in the emulator in five minutes)))
    Tomorrow I will check the SDRAM model

    ps By the way, which Amiga model is closest to the mikan core?
  • #209 21084306
    sillycon
    Level 10  
    leonecomdir wrote:
    By the way, which Amiga model is closest to the mikan core?
    I always assumed it was the A500+ with a good turbo.
  • #210 21084451
    leonecomdir
    Level 9  
    AmigaOS 3.2 startup screen with icons for Ram Disk, System, and Work.
    It works! I haven't checked the sound yet, but I'm running amigaOS 3.2
    Memory W9825G6KH-6I
    As kick3221 I used the roma with MD5 1d9b6068abff5a44b4b2f1d5d3516dd9
    I haven't played games yet, but all tools work normally.
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Topic summary

The discussion revolves around the DIY-A586 v1.9 project, a custom FPGA-based system designed to emulate various classic computers, including the Amiga and ZX Spectrum. Users share their experiences with assembly, troubleshooting, and performance issues. Key features of the board include a Spartan6 FPGA, 32MB RAM, and support for multiple configurations. Users report issues with keyboard compatibility, joystick connections, and memory speed affecting core performance. Solutions include using specific memory models (W9825G6KH-5), programming cores, and utilizing SD cards for storage. The community actively collaborates on improvements and troubleshooting, with ongoing development of cores and features.
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