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Search: Posts Made By: mark_k
Forum: support.Amix Yesterday, 21:44
Replies: 10
Views: 444
Posted By mark_k
No, AMIX requires a 68020 or 68030 and a...

No, AMIX requires a 68020 or 68030 and a Commodore SCSI controller (A2090 or A2091).
Forum: support.Apps Yesterday, 00:48
Replies: 7
Views: 175
Posted By mark_k
What about the good old C:Install command? ...

What about the good old C:Install command?

Install DRIVE DF0: NOBOOT

(tested with Install version 39.1)
Forum: support.WinUAE 17 February 2019, 22:20
Replies: 22
Views: 683
Posted By mark_k
Could the lock-up issue indicate a bug? If on...

Could the lock-up issue indicate a bug? If on resetting WinUAE unpacks the archive contents to memory again, without freeing the already-unpacked data, the amount of memory used will gradually...
Forum: support.Hardware 17 February 2019, 22:15
Replies: 12
Views: 1,048
Posted By mark_k
Yes. But also... GVP didn't publish schematics as...

Yes. But also... GVP didn't publish schematics as far as I know, so I'm just going from the board pics at amiga.resource.cx.

Another couple of SCSI bus lines may be being terminated by four...
Forum: support.WinUAE 16 February 2019, 22:24
Replies: 2
Views: 194
Posted By mark_k
Monochrome video out vs Composite color burst options

I started to look at patching Cannon Fodder to set the bplcon0 COLOR bit (following from this thread. WinUAE doesn't show any change in visible output when the COLOR bit state is changed. [Logging...
Forum: support.Hardware 15 February 2019, 15:54
Replies: 16
Views: 440
Posted By mark_k
Maybe there could be some difference if your...

Maybe there could be some difference if your machine has PAL Agnus? (Different number of colour clocks per line so different colour burst phase maybe?)

Look at the MC1377 datasheet from here...
Forum: support.Hardware 14 February 2019, 21:53
Replies: 16
Views: 440
Posted By mark_k
If you post links to the Cannon Fodder ADFs...

If you post links to the Cannon Fodder ADFs you're using, I could have a go at patching it to always set the COLOR bit.
Forum: support.Hardware 13 February 2019, 22:08
Replies: 16
Views: 440
Posted By mark_k
Hmm, interesting... Are you able to test via...

Hmm, interesting... Are you able to test via analogue RGB connection to the 1084? My guess is, the picture will look fine then.

My theory: The hardware register bplcon0 has a "COLOR" bit. On the...
Forum: support.Other 13 February 2019, 18:24
Replies: 11
Views: 316
Posted By mark_k
The problem isn't related to FFS, it's probably...

The problem isn't related to FFS, it's probably because UAE isn't correctly converting the Unicode local filename character to the corresponding Amiga character. Solo Kazuki's solution should work.
Forum: support.WinUAE 11 February 2019, 23:12
Replies: 52
Views: 4,888
Posted By mark_k
Looking at readidentity() in hardfile_win32.cpp,...

Looking at readidentity() in hardfile_win32.cpp, it looks like you only use 16-byte SAT for type 5 devices? Could some modern USB adapters support 16-byte SAT but not 12-byte?From memory, IDE...
Forum: support.WinUAE 11 February 2019, 14:19
Replies: 52
Views: 4,888
Posted By mark_k
Technical manuals for old IDE drives are quite...

Technical manuals for old IDE drives are quite rare. However Bitsavers does have a couple for Western Digital drives:
Caviar AC160 & AC2120...
Forum: support.WinUAE 10 February 2019, 22:01
Replies: 52
Views: 4,888
Posted By mark_k
I think it's 99.9% certain not to support...

I think it's 99.9% certain not to support CHS-only drives via normal READ/WRITE commands. :)

Adding SAT support to WinUAE couldn't hurt. Probably the majority of modern/USB 3.0 USB-ATA adapters...
Forum: Coders. Asm / Hardware 08 February 2019, 23:44
Replies: 9
Views: 421
Posted By mark_k
ross's example code sets VBR to 0 in the...

ross's example code sets VBR to 0 in the supervisor routine but doesn't restore it afterwards. May not be a problem if you're killing the system/OS anyway though.
Forum: support.WinUAE 04 February 2019, 22:38
Replies: 16
Views: 530
Posted By mark_k
You can get a USB-IDE adapter which (probably)...

You can get a USB-IDE adapter which (probably) has a JMicron chip for ~US$2 from Aliexpress. It seems most which look like this one...
Forum: support.Hardware 02 February 2019, 21:58
Replies: 17
Views: 661
Posted By mark_k
Sorry, typo, I meant 16.

Sorry, typo, I meant 16.
Forum: support.Hardware 02 February 2019, 20:32
Replies: 17
Views: 661
Posted By mark_k
Assuming SCART pin 1316 leads (via the 330 Ohm...

Assuming SCART pin 1316 leads (via the 330 Ohm resistor) to Amiga pin 23 (+5V), a 75 Ohm resistor would be more correct. The page Lozzo linked says 47 to 270 Ohms should work.

You could try...
Forum: support.Other 28 January 2019, 21:38
Replies: 8
Views: 332
Posted By mark_k
After restoring the image to the CF card, use...

After restoring the image to the CF card, use WinImage to read it back again. Compare files to see whether there was any corruption.

Also, when restoring an updated/modified images to the card in...
Forum: Amiga scene 27 January 2019, 21:54
Replies: 3
Views: 426
Posted By mark_k
Most likely it only captures composite video...

Most likely it only captures composite video (and/or possibly S-video) from the SCART socket, no RGB. So it wouldn't work with a typical Amiga RGB SCART cable.
Forum: Coders. System 24 January 2019, 17:01
Replies: 25
Views: 859
Posted By mark_k
I'm not sure if it works in practice but I don't...

I'm not sure if it works in practice but I don't think you're supposed to do it. As an alternative you could Forbid(), FreeMem() the entire chunk, AllocAbs() the memory you didn't want to free,...
Forum: MarketPlace 20 January 2019, 18:02
Replies: 20
Views: 1,371
Posted By mark_k
I've been looking at the Trifecta driver code. ...

I've been looking at the Trifecta driver code.

I'm pretty sure it can use DMA, but only to on-board RAM. The driver (which can handle up to four Trifecta cards) seems to be very careful about...
Forum: support.Hardware 19 January 2019, 20:58
Replies: 30
Views: 999
Posted By mark_k
Yes that's correct. How have you installed...

Yes that's correct.

How have you installed Windows, natively (Boot Camp) or in a VM?

I haven't actually tried reading a CHS-only drive with JMicron USB adapter, so maybe someone who has (Toni?)...
Forum: request.Apps 19 January 2019, 20:56
Replies: 21
Views: 2,991
Posted By mark_k
That link isn't working for me.

That link isn't working for me.
Forum: support.Hardware 15 January 2019, 22:51
Replies: 1
Views: 236
Posted By mark_k
There was a recent eBay auction...

There was a recent eBay auction (https://www.ebay.com/itm/302984047152) for one of these which included a software disk. Maybe you could try asking the seller if they could pass on a message to the...
Forum: support.Other 13 January 2019, 14:08
Replies: 1
Views: 284
Posted By mark_k
Contacting amiga.org forum admin?

Does anyone know how to contact one of the amiga.org forum admins?

I went to change the email address associated with my account there, site said email sent containing confirmation link. No...
Forum: support.Hardware 11 January 2019, 02:01
Replies: 30
Views: 999
Posted By mark_k
Those would be the non-LBA-capable drives. ...

Those would be the non-LBA-capable drives.

Using the hardware you already have, install Windows then run WinUAE to create image files. You should be able to create a VM (using e.g. VirtualBox?)...
Forum: support.Hardware 07 January 2019, 14:02
Replies: 30
Views: 999
Posted By mark_k
I can't help specifically with the Mac, but if...

I can't help specifically with the Mac, but if the drive is IDE it probably won't work with most IDE-USB converters. [There have been a couple of other threads relating to that, try searching for...
Forum: support.WinUAE 31 December 2018, 19:54
Replies: 8
Views: 881
Posted By mark_k
Or you could try the -nod3d9shader option.

Or you could try the -nod3d9shader option.
Forum: support.Hardware 15 December 2018, 23:10
Replies: 14
Views: 619
Posted By mark_k
If you have the IDE-USB adapter that Nobby-UK...

If you have the IDE-USB adapter that Nobby-UK linked you'll need to use WinUAE to image the drive.

The WDA-2120 doesn't support LBA access, only CHS. Most IDE-USB adapters don't support CHS...
Forum: support.Hardware 07 December 2018, 21:19
Replies: 5
Views: 232
Posted By mark_k
If I were you, I'd buy a USB Zip drive and...

If I were you, I'd buy a USB Zip drive and connect that to a PC. They're not too expensive on eBay, you could probably get one for £10-£20. Then just image your old disks on the PC for safekeeping.
Forum: Nostalgia & memories 06 December 2018, 21:49
Replies: 10
Views: 952
Posted By mark_k
The e in 9e probably indicates the FSB_EXTENDED...

The e in 9e probably indicates the FSB_EXTENDED style bit, which means "extended face (wider than normal)".
Forum: support.Hardware 06 December 2018, 00:22
Replies: 22
Views: 955
Posted By mark_k
Some general tips: - Make sure your SD card is...

Some general tips:
- Make sure your SD card is genuine. Fake ones, apart from having an actual size much smaller than printed on the card thus losing your data, are usually really slow. You can use...
Forum: support.Hardware 30 November 2018, 19:51
Replies: 1
Views: 122
Posted By mark_k
The Oktagon has soldered-on terminating resistor...

The Oktagon has soldered-on terminating resistor packs next to its internal SCSI connector. You can't disable that termination with a jumper.

If the length of cable between Oktagon and internal...
Forum: support.Apps 01 November 2018, 17:01
Replies: 7
Views: 616
Posted By mark_k
There are a couple of tools on Aminet: FillDisk...

There are a couple of tools on Aminet:
FillDisk on Fish disk 61 (http://aminet.net/package/misc/fish/fish-0061)
CleanDisk (http://aminet.net/package/disk/misc/CleanDisk)

FillDisk doesn't fill...
Forum: OT - Technical 31 October 2018, 14:54
Replies: 6
Views: 616
Posted By mark_k
It seems to be luck of the draw whether you get a...

It seems to be luck of the draw whether you get a non-SMR or SMR drive in those Seagates. They seem to fit whatever left-over drives they had lying around at the time. :)

You could try using...
Forum: OT - Technical 30 October 2018, 20:17
Replies: 6
Views: 616
Posted By mark_k
What model of Seagate drive do you have? Some...

What model of Seagate drive do you have? Some larger-capacity ones use SMR (shingled magnetic recording) (https://en.wikipedia.org/wiki/Shingled_magnetic_recording) which can give poor/inconsistent...
Forum: Coders. General 14 October 2018, 18:07
Replies: 7
Views: 639
Posted By mark_k
I think you can render directly to the Screen...

I think you can render directly to the Screen (i.e. not need to open a window) if you want. Pass a pointer to the RastPort field of the Screen structure to various graphics.library routines like...
Forum: support.WinUAE 05 October 2018, 21:00
Replies: 105
Views: 28,711
Posted By mark_k
Don't most real accelerator boards disable data...

Don't most real accelerator boards disable data cache in hardware for chip RAM accesses? I think my GVP 68030 board does.
Forum: support.WinUAE 15 September 2018, 18:11
Replies: 1
Views: 292
Posted By mark_k
Mouse sonar not disabled when mouse is captured

Windows has a "Mouse Sonar" option (https://docs.microsoft.com/en-gb/windows/desktop/inputdev/about-mouse-input#mouse-sonar). When enabled, animated concentric circles appear around the mouse pointer...
Forum: Coders. System 09 September 2018, 22:48
Replies: 3
Views: 908
Posted By mark_k
Yes, the RKM says...

Yes, the RKM says (http://amigadev.elowar.com/read/ADCD_2.1/Libraries_Manual_guide/node0360.html):
"The graphics library rendering and data movement routines generally wait to get access to the...
Forum: support.WinUAE 09 September 2018, 18:26
Replies: 29
Views: 1,116
Posted By mark_k
When selecting an ADF on the floppy drives...

When selecting an ADF on the floppy drives settings page, rather than a simple string box for the filename, it's a drop-down list allowing recently-used files to be easily selected. It would be nice...
Showing results 1 to 40 of 2998

 
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