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#jiffydos — Public Fediverse posts

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  1. The family is almost complete; I do have C128DCR+1571D #JiffyDOS EPROMs in my drawer, but no dumps of them...

  2. The family is almost complete; I do have C128DCR+1571D #JiffyDOS EPROMs in my drawer, but no dumps of them...

  3. So, now I backed up the #JiffyDOS images from the chip I bought for my C16, and can now use it in VICE as well.

    It took 25 seconds to save the default ROM to my #SD2IEC, only 8 for the JD ROM.

  4. So, now I backed up the #JiffyDOS images from the chip I bought for my C16, and can now use it in VICE as well.

    It took 25 seconds to save the default ROM to my #SD2IEC, only 8 for the JD ROM.

  5. #commodore #c64 #c64u #c64ultimate #ultimate #retro #gaming #games #jiffydos #turboloader

    Everyone who is into the C64 breadbin should consider buying a JiffyDOS turbo loader to avoid very long loading times, either from the original floppy drive hardware or from a USB stick or memory card.

    You can get JiffyDOS here:

    https://jiffydos.de/startseite/49-jiffydos-64-ultimate-rom-overlay-image-standard-pack.html

    The package shown is the full package for the Ultimate 64 ...

  6. #commodore #c64 #c64u #c64ultimate #ultimate #retro #gaming #games #jiffydos #turboloader

    Everyone who is into the C64 breadbin should consider buying a JiffyDOS turbo loader to avoid very long loading times, either from the original floppy drive hardware or from a USB stick or memory card.

    You can get JiffyDOS here:

    https://jiffydos.de/startseite/49-jiffydos-64-ultimate-rom-overlay-image-standard-pack.html

    The package shown is the full package for the Ultimate 64 ...

  7. #Commodore has released firmware 1.1.0 for the #C64ultimate and it seems to contain the fixes from Gideon's #Ultimate64 3.14d firmware (including more robust #JiffyDOS support) while retaining the more refined system menus from the Commodore branded computers.

    #C64 #C64U #U64

  8. #Commodore has released firmware 1.1.0 for the #C64ultimate and it seems to contain the fixes from Gideon's #Ultimate64 3.14d firmware (including more robust #JiffyDOS support) while retaining the more refined system menus from the Commodore branded computers.

    #C64 #C64U #U64

  9. Responding to myself responding to myself:

    I borrowed the KERNAL, Basic, and Char ROMs from a VICE installation, after which the updated #Ultimate64 booted up as expected. I can’t say for sure whether all issues are gone, but Mayhem in Monsterland, which would never load successfully with #JiffyDOS earlier on this machine started up like nothing; and Gunship, which would inevitably crash at an arbitrary point in loading, has come right up into flight mode. Awesome!

  10. Responding to myself responding to myself:

    I borrowed the KERNAL, Basic, and Char ROMs from a VICE installation, after which the updated #Ultimate64 booted up as expected. I can’t say for sure whether all issues are gone, but Mayhem in Monsterland, which would never load successfully with #JiffyDOS earlier on this machine started up like nothing; and Gunship, which would inevitably crash at an arbitrary point in loading, has come right up into flight mode. Awesome!

  11. Experimenting with #JiffyDOS on my #Ultimate64 - it seems to be pretty hit-or-miss. The webpage had a note recommending what seems to be CIA timing settings:

    > Can I utilize JiffyDOS on the Ultimate II?
    >
    > Yes. Customers have noted that settings PH1=140 and PH2=80 work well.

    I don’t see any way of finding nor tuning these settings, though. Have I misunderstood something?
    #c64 #c64ultimate #c64u

  12. Experimenting with #JiffyDOS on my #Ultimate64 - it seems to be pretty hit-or-miss. The webpage had a note recommending what seems to be CIA timing settings:

    > Can I utilize JiffyDOS on the Ultimate II?
    >
    > Yes. Customers have noted that settings PH1=140 and PH2=80 work well.

    I don’t see any way of finding nor tuning these settings, though. Have I misunderstood something?
    #c64 #c64ultimate #c64u

  13. Bought some #JiffyDOS chips for various hardware. These come with toggle switches to switch them out. Instead of drilling a hole in my case(s) for that, I'm thinking of cutting a rectangular window and putting a DIP switch block there and just wiring to the first one, for future switch use (bigger eproms, etc). Is this a good idea, or are the little DIP packages not suitable for that purpose for some reason I haven't divined?

  14. Bought some #JiffyDOS chips for various hardware. These come with toggle switches to switch them out. Instead of drilling a hole in my case(s) for that, I'm thinking of cutting a rectangular window and putting a DIP switch block there and just wiring to the first one, for future switch use (bigger eproms, etc). Is this a good idea, or are the little DIP packages not suitable for that purpose for some reason I haven't divined?