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Search: Posts Made By: mark_k
Forum: support.Hardware Yesterday, 17:28
Replies: 21
Views: 686
Posted By mark_k
Just run an NTSC/PAL switch program. If you see...

Just run an NTSC/PAL switch program. If you see any visible effect you have the ECS Agnus.

Or use AmigaBASIC to poke address $DFF1DC with 0 or 32.
Forum: Coders. C/C++ 29 June 2020, 14:12
Replies: 5
Views: 222
Posted By mark_k
Maybe the hook function is called by...

Maybe the hook function is called by input.device, not your task? Try having the hook function signal your task (which is a Process and so can call DOS functions) and do the printf from there.
Forum: support.Hardware 28 June 2020, 20:33
Replies: 21
Views: 686
Posted By mark_k
You only need to have the ECS Agnus chip. Many...

You only need to have the ECS Agnus chip. Many A500s have that, though it wasn't publicised much at the time.

Using a program like Degrader you can get the Amiga to reboot into 50Hz mode, then...
Forum: support.Hardware 14 June 2020, 07:22
Replies: 1
Views: 156
Posted By mark_k
The connector pinout is given in the manual so...

The connector pinout is given in the manual so you could make up your own cable. A simple pin-to-pin adapter should be enough to connect to a VGA monitor.

Manual is on amiga.resource.cx...
Forum: support.WinUAE 14 June 2020, 01:39
Replies: 7
Views: 898
Posted By mark_k
That video is a bit hopeless, the guy doesn't use...

That video is a bit hopeless, the guy doesn't use any A2024 modes with it! Just shows Workbench in normal hi-res and high-res laced. The board inside the monitor does de-interlace normal Amiga modes....
Forum: Nostalgia & memories 05 March 2020, 15:55
Replies: 33
Views: 1,776
Posted By mark_k
Are extra level disks allowed?

Are extra level disks allowed?
Forum: support.Other 20 February 2020, 17:53
Replies: 21
Views: 939
Posted By mark_k
Do those EA games actually require 1.2 (only)...

Do those EA games actually require 1.2 (only) though? The packaging might have had a sticker on saying requires Kickstart 1.2, but back then some A1000 owners would still be running/booting Kickstart...
Forum: support.Other 19 February 2020, 21:28
Replies: 21
Views: 939
Posted By mark_k
What games are there that work with Kickstart 1.2...

What games are there that work with Kickstart 1.2 but not 1.3? I think most "don't work on a 1.3 A500" games are actually because many/most A500s which came with Kickstart 1.3 actually have the ECS...
Forum: support.WinUAE 16 February 2020, 21:50
Replies: 5
Views: 992
Posted By mark_k
A pic of the board showing what's printed on the...

A pic of the board showing what's printed on the large square chip underneath the label and a dump of the board's AutoConfig data would be a start.

By the way, the PC286 software was developed by...
Forum: support.WinUAE 01 February 2020, 21:54
Replies: 17
Views: 1,336
Posted By mark_k
Are you able to upload the first (say) couple of...

Are you able to upload the first (say) couple of megabytes of the image file? (You might want to view it in a hex editor before uploading to make sure there's no personal data in it.)

Maybe there...
Forum: support.WinUAE 01 February 2020, 21:25
Replies: 14
Views: 1,674
Posted By mark_k
Kind of related to this thread, I've been...

Kind of related to this thread, I've been experimenting with FFS and 32KB partition block size.

FastFileSystem v36 and later supports block sizes up to 32KB. FFS v39 (or v40?) and later support...
Forum: request.Apps 01 February 2020, 19:46
Replies: 1
Views: 536
Posted By mark_k
Program to fix/recalculate RDB checksums?

I'm wanting to use a hex editor to manually edit fields in the RDB sectors of a a hard drive image file.

Does any program exist to fix/recalculate the RDB sector checksums?
Forum: support.WinUAE 27 January 2020, 15:19
Replies: 14
Views: 1,674
Posted By mark_k
For modern FFS versions (V39 and later I think)...

For modern FFS versions (V39 and later I think) the filesystem block size doesn't have to match the drive sector size, it just has to be a multiple of it.

So you can, with a "normal" 512...
Forum: support.Hardware 27 January 2020, 15:03
Replies: 14
Views: 809
Posted By mark_k
Is there any difference if you change each...

Is there any difference if you change each partition's Mask value to 0x001FFFFE?
Forum: support.WinUAE 27 January 2020, 14:51
Replies: 17
Views: 1,336
Posted By mark_k
Have you tried booting from the new image file in...

Have you tried booting from the new image file in WinUAE?

If you post a hex dump of the other PART sectors I can tell you which offsets/lengths the individual partitions are at.
Forum: support.Amix 27 January 2020, 14:47
Replies: 9
Views: 8,958
Posted By mark_k
Be careful that the files are copied to tape in...

Be careful that the files are copied to tape in the correct order if you use Copy #?. The Copy command will copy them in the order they're listed in the directory, it doesn't sort names first. It...
Forum: support.WinUAE 26 January 2020, 22:30
Replies: 14
Views: 1,674
Posted By mark_k
8KB is the largest real-world-hardware sector...

8KB is the largest real-world-hardware sector size that I'm aware of. (DVD-RAM has physical sector size 32KB but I think all drives emulate 2KB size.)
Forum: support.WinUAE 26 January 2020, 21:18
Replies: 9
Views: 735
Posted By mark_k
Refer to the devices/hardblocks.i...

Refer to the devices/hardblocks.i (http://amigadev.elowar.com/read/ADCD_2.1/Includes_and_Autodocs_2._guide/node0045.html) include file.

The RigidDiskBlock is in sector 1 = byte offset $200.
At...
Forum: support.Amix 26 January 2020, 18:00
Replies: 9
Views: 8,958
Posted By mark_k
First, make sure you have a known-working tape...

First, make sure you have a known-working tape drive and tape.

You should be able to recreate the tape from within AmigaOS, accessing the tape drive via a handler like BTNtape...
Forum: support.WinUAE 26 January 2020, 17:09
Replies: 9
Views: 735
Posted By mark_k
You could try extracting each of the three...

You could try extracting each of the three partitions into separate files, then mount them as non-RDB hardfiles in WinUAE (via uaehf.device, not any emulated hardware controller).

In your complete...
Forum: support.WinUAE 26 January 2020, 16:49
Replies: 9
Views: 735
Posted By mark_k
You might want to report that crash to the Amiga...

You might want to report that crash to the Amiga Forever developer.

But yes, it looks like the ICD prep software just puts the RDSK sector in sector 1. That's perfectly legal, it can be in any of...
Forum: support.WinUAE 24 January 2020, 22:54
Replies: 17
Views: 1,336
Posted By mark_k
I haven't tried, but I would think a cheap PCI-E...

I haven't tried, but I would think a cheap PCI-E IDE card is likely to support CHS accesses (which would be done automatically by the Windows driver).

Does IOCTL_ATA_PASS_THROUGH_DIRECT cause...
Forum: support.WinUAE 23 January 2020, 16:43
Replies: 17
Views: 1,336
Posted By mark_k
??? IDE supports 16 heads (0 to 15), as used by...

??? IDE supports 16 heads (0 to 15), as used by the default geometry of any large drive (16 heads, 63 sectors/track).
Forum: support.WinUAE 23 January 2020, 16:20
Replies: 17
Views: 1,336
Posted By mark_k
My suggestion about "native geometry" above was...

My suggestion about "native geometry" above was wrong. The drive might have 1339 physical heads and tracks, but it uses a variable number of physical sectors per track, so that geometry isn't used or...
Forum: support.WinUAE 22 January 2020, 23:19
Replies: 17
Views: 1,336
Posted By mark_k
Did you try the native geometry? That's 1339...

Did you try the native geometry? That's 1339 cyls, 4 heads, 63 sectors/track. Using the translated geometry will omit sectors near the end of the drive. (Edit: I was wrong about that.)

Also, can...
Forum: support.WinUAE 18 January 2020, 11:52
Replies: 14
Views: 1,674
Posted By mark_k
Ah I don't think that's much more help. You could...

Ah I don't think that's much more help. You could perhaps try running WinUAE with -log -scsiemulog arguments but can you post the config file you're using too?
Forum: Coders. System 17 January 2020, 21:57
Replies: 14
Views: 1,432
Posted By mark_k
If you don't mind only working on Kickstart 2.0...

If you don't mind only working on Kickstart 2.0 or later, you can use the new DOS function SetMode() (http://amigadev.elowar.com/read/ADCD_2.1/Includes_and_Autodocs_2._guide/node02F9.html) instead of...
Forum: support.WinUAE 15 January 2020, 16:17
Replies: 14
Views: 1,674
Posted By mark_k
Maybe winuaelog.txt could provide more info? Also...

Maybe winuaelog.txt could provide more info? Also check Enable full logging in WinUAE Paths settings.
Forum: support.WinUAE 14 January 2020, 15:05
Replies: 14
Views: 1,674
Posted By mark_k
Which version of WinUAE are you using? Can you...

Which version of WinUAE are you using? Can you post the log output when it exits/crashes?

Which emulated HD controller are you connecting the HDF to? If IDE, that probably explains the problem!...
Forum: support.OtherUAE 13 January 2020, 10:48
Replies: 5
Views: 4,946
Posted By mark_k
There is no PFS3 driver for Linux, so no. For...

There is no PFS3 driver for Linux, so no. For data interchange either FFS or FAT(32) are simplest I think.
Forum: support.WinUAE 12 January 2020, 20:52
Replies: 7
Views: 857
Posted By mark_k
I wonder what changes there were between version...

I wonder what changes there were between version 4.007 (which the hacked version is based on) and 4.008.

I searched for AMax IV on Google Groups and there are a variety of threads mentioning...
Forum: support.WinUAE 11 January 2020, 20:16
Replies: 7
Views: 857
Posted By mark_k
What happens when you boot the (unmodified) Disk...

What happens when you boot the (unmodified) Disk Tools floppy disk for each OS version?

Are you able to run the Mac OS Installer after booting Disk Tools?

Does it help if you hold Shift down...
Forum: support.WinUAE 09 January 2020, 15:21
Replies: 2
Views: 609
Posted By mark_k
Do you get the same sad Mac screen if you run the...

Do you get the same sad Mac screen if you run the Fast A-Max-patched version when WinUAE is configured to not have an A-Max cartridge present?

I wonder if there is some incompatibility between...
Forum: support.WinUAE 04 January 2020, 22:31
Replies: 35
Views: 2,197
Posted By mark_k
I just uploaded it to The Zone. PS: Try using an...

I just uploaded it to The Zone. PS: Try using an ad blocker. :)
Forum: support.WinUAE 04 January 2020, 21:39
Replies: 35
Views: 2,197
Posted By mark_k
The first post in this thread gives URL of an...

The first post in this thread gives URL of an archive which contains Mac System 6.0.8 in A-Max/extended ADF format. Putting those in DF0: you should be able to read them with CrossMac and A-Max.
Forum: support.WinUAE 04 January 2020, 20:17
Replies: 35
Views: 2,197
Posted By mark_k
WinUAE doesn't natively support the Emplant/A-Max...

WinUAE doesn't natively support the Emplant/A-Max 800KB disk format, but you can use extended ADFs. The Emplant ConverterII program can write Apple Disk Copy 4.2 images to A-Max (or Emplant) format...
Forum: support.WinUAE 04 January 2020, 20:11
Replies: 35
Views: 2,197
Posted By mark_k
AMIA, and I think CrossMac might have come with...

AMIA, and I think CrossMac might have come with (optional?) hardware.

I have an AMIA cartridge, could maybe be prodded into looking at e.g. the Emplant ConverterII program code at some point...
Forum: support.Hardware 02 January 2020, 22:16
Replies: 90
Views: 4,154
Posted By mark_k
How was the PAR drive connected when ddrescue was...

How was the PAR drive connected when ddrescue was used? That could make a big difference in how much data can be recovered.

Connecting via a USB-IDE adapter isn't a good idea. The adapter firmware...
Forum: support.Hardware 31 December 2019, 21:43
Replies: 90
Views: 4,154
Posted By mark_k
I have uploaded my work-in-progress PAR technical...

I have uploaded my work-in-progress PAR technical notes to The Zone (PAR_notes_20191231.zip).

Hopefully the information there should be enough to allow emulation of the PAR
board, at least to the...
Forum: support.Hardware 31 December 2019, 17:17
Replies: 90
Views: 4,154
Posted By mark_k
I mentioned before about "Digital Domain A4000...

I mentioned before about "Digital Domain A4000 Titanic PAR Drive.hdf" being a bad/incomplete dump. I wonder if when Starglider 2 created the image file, he wrote it to a USB stick or memory card,...
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