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by Cristian
Tue Oct 30, 2018 11:19 am
Forum: QL Emulation
Topic: USB Floppy Disk Device (Drive) with Support for Windows 10 and QPC2?
Replies: 51
Views: 5534

Re: USB Floppy Disk Device (Drive) with Support for Windows 10 and QPC2?

ql_freak wrote:Former (Windows) versions didn't even support native floppies

Do you mean former Windows 10 versions, am I right? (the normal, non-USB drive should be supported up to windows 7).
At this point, I'm afraid my theory about the cut-down windows driver is becoming true...
by Cristian
Mon Oct 29, 2018 12:01 pm
Forum: Software & Programming
Topic: Minerva change requests...
Replies: 15
Views: 3613

Re: Minerva change requests...

There has been a long-standing problem with Minerva >v1.93 using FLP on non-Gold machines. The reintroduction of the IPC interrupt can add enough overhead to upset disk sector interleave. The solution was simple enough, use POKE!!53,128 in boot files to disable it (restored using POKE!!53,192 or up...
by Cristian
Sun Oct 28, 2018 10:07 pm
Forum: Hardware
Topic: Microdrive can't load but can copy correctly
Replies: 6
Views: 314

Re: Microdrive can't load but can copy correctly - solved?

POKE!!53,128 with this magical command, everything apparently returns to normality. Easel (and Quill too) loads and starts normally (and quickly) also from mdv cartridge. I remember a discussion about the necessity of this annoying POKE (needed for Minerva198 only if I recall correctly). Still I ca...
by Cristian
Sun Oct 28, 2018 4:57 pm
Forum: Hardware
Topic: Microdrive can't load but can copy correctly
Replies: 6
Views: 314

Re: Microdrive can't load but can copy correctly

it's Minerva indeed :evil: For some bloody reason that rom doesn't want to execute that file from mdv. I've just tried with a JM QL and the loading is extremely quick too. If I hadn't already wasted so many time, I would try to swap the Roms to be absolutely 100% sure. Who could imagine that the lat...
by Cristian
Sun Oct 28, 2018 4:28 pm
Forum: Hardware
Topic: Microdrive can't load but can copy correctly
Replies: 6
Views: 314

Re: Microdrive can't load but can copy correctly

Was the mdv cartridge freshly formatted Yes sure it has been formatted more times. Thank you for your information about duplicate sectors etc. Another important update: I prepared a modified BOOT in order to read the executable from mdv and copy it to RAM1 , and then exec_w RAM1_easel and.... bingo...
by Cristian
Sun Oct 28, 2018 3:32 pm
Forum: Hardware
Topic: Microdrive can't load but can copy correctly
Replies: 6
Views: 314

Re: Microdrive can't load but can copy correctly

Thank you Derek, but... sorry if my description of the problem was not crystal clear. I'm sure the Easel version I downloaded is perfect. The easel executable does load normally from floppy or from qemulator folder indeed. The oddity is in the behaviour of my (real) QL. Update: I did several attempt...
by Cristian
Sun Oct 28, 2018 11:21 am
Forum: Hardware
Topic: Microdrive can't load but can copy correctly
Replies: 6
Views: 314

Microdrive can't load but can copy correctly

Easel (v. 2.35 from Dilwyn's website, microdrive version) can not be loaded from mdv cartridge. The problem is the file Easel itself (bad or changed medium at line "exec_w mdv1_easel"). Incredibly, without touching nor moving the cartridge, the same file can be normally copied into a flopp...
by Cristian
Sat Oct 27, 2018 4:19 pm
Forum: QL Emulation
Topic: USB Floppy Disk Device (Drive) with Support for Windows 10 and QPC2?
Replies: 51
Views: 5534

Re: USB Floppy Disk Device (Drive) with Support for Windows 10 and QPC2?

Actually I have found disks previously formatted on the Amiga to be extremely unreliable when trying to reformat them on a QL - a high percentage failed to reformat or if they did, did not result in 1440/1440 sectors. Indeed the failing percentage of Amiga disks is higher than other media, but I ha...
by Cristian
Fri Oct 26, 2018 10:14 am
Forum: QL Emulation
Topic: USB Floppy Disk Device (Drive) with Support for Windows 10 and QPC2?
Replies: 51
Views: 5534

Re: USB Floppy Disk Device (Drive) with Support for Windows 10 and QPC2?

Some non-standard floppy formats require a special driver for the floppy controller . Anyway, on previous Windows versions the driver supplied was already able to manage Qdos disks. Indeed the Qdos format (not the file system) is the same as DOS. Let's hope the new Windows 10 driver is not totally r...
by Cristian
Thu Oct 25, 2018 9:15 pm
Forum: QL Emulation
Topic: USB Floppy Disk Device (Drive) with Support for Windows 10 and QPC2?
Replies: 51
Views: 5534

Re: USB Floppy Disk Device (Drive) with Support for Windows 10 and QPC2?

So strange. It sounds like a software bug... unfortunately I can't try in Windows 10. Did you try other emulators also?

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