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Forum: Amiga scene 16 August 2019, 17:23
Replies: 19
Views: 425
Posted By mark_k
I wouldn't mess around with trying to change...

I wouldn't mess around with trying to change protection bits or use the Lock command. Changing protection bits in particular would cause thousands of writes to the drive. Not really something you...
Forum: Amiga scene 15 August 2019, 20:20
Replies: 19
Views: 425
Posted By mark_k
Sadly there's no way in the IDE specification to...

Sadly there's no way in the IDE specification to do that.

Simply booting the machine with a drive attached will almost certainly cause it to be written to, even if you don't consciously do that.
...
Forum: support.Hardware 13 August 2019, 14:46
Replies: 1
Views: 96
Posted By mark_k
Try using the Lacer 1 command to force interlace...

Try using the Lacer 1 command to force interlace mode. That should allow system-legal programs to work fine.
Forum: project.CD32 Conversion 07 August 2019, 19:25
Replies: 214
Views: 5,087
Posted By mark_k
Welcome to the wonderful world of resource and...

Welcome to the wonderful world of resource and data forks!
Forum: Retrogaming General Discussion 05 August 2019, 14:56
Replies: 17
Views: 518
Posted By mark_k
There are several reasons why forcing interlace...

There are several reasons why forcing interlace mode can be useful with modern hardware.

Many modern TVs are quite picky about input video signals, expecting them to be more or less...
Forum: project.CD32 Conversion 29 July 2019, 21:54
Replies: 214
Views: 5,087
Posted By mark_k
Is there any difference in how/if PrepareEmul...

Is there any difference in how/if PrepareEmul works on a real A1200 with 3.0 vs 3.1 Kickstart ROM?
Forum: Member Introductions 28 July 2019, 22:45
Replies: 8
Views: 490
Posted By mark_k
With DiskSpare, you could format disks with 80 or...

With DiskSpare, you could format disks with 80 or 82 tracks. If your mount file is for 80 tracks you won't be able to read 82-track-formatted disks. You'd need to edit the mount file to have...
Forum: Coders. System 28 July 2019, 18:02
Replies: 14
Views: 884
Posted By mark_k
Typically, OS functions preserve all registers...

Typically, OS functions preserve all registers except D0, D1, A0 and A1. However that can vary; read the autodoc for each function to be sure.

In your code example you assume that WaitPort()...
Forum: Coders. Asm / Hardware 11 July 2019, 21:21
Replies: 7
Views: 648
Posted By mark_k
Ugh, I checked the PackDev source code...

Ugh, I checked the PackDev source code (http://aminet.net/package/util/arc/Packdev1_9src). Back in the day I archived my original Amiga disks using PackDev because it was supposed to archive/handle...
Forum: Coders. Asm / Hardware 11 July 2019, 20:44
Replies: 7
Views: 648
Posted By mark_k
PackDev (http://aminet.net/search?query=packdev)...

PackDev (http://aminet.net/search?query=packdev) supposedly supports storing and writing back sector header data. WinUAE supports PackDev (.pkd) files.

I say supposedly, because I seem to remember...
Forum: support.Apps 11 July 2019, 20:17
Replies: 46
Views: 1,354
Posted By mark_k
I'm using DOpus 4.12CU and file...

I'm using DOpus 4.12CU and file dates/comments/protection bits are copied. In DOpus settings, click Operation then Copy then check all three boxes under "Also copy source's..."

There is one...
Forum: support.Apps 01 July 2019, 22:15
Replies: 13
Views: 602
Posted By mark_k
In case anyone else encounters a similar...

In case anyone else encounters a similar problem...

I forgot about the no-added-software method. Hold down both mouse buttons when powering on or resetting until the boot menu appears. (On your...
Forum: support.Hardware 29 June 2019, 13:59
Replies: 8
Views: 238
Posted By mark_k
By the way, what is the model number of the...

By the way, what is the model number of the Maxtor hard drive?
Forum: support.Hardware 29 June 2019, 13:58
Replies: 8
Views: 238
Posted By mark_k
Ah right. The scsidev driver on that disk (in the...

Ah right. The scsidev driver on that disk (in the Expansion drawer) is the same version 1.1.6 as in the V1.0 ROM. Best to forget about using the old scsidev.device.

So:
- If you have any files...
Forum: support.Hardware 28 June 2019, 21:17
Replies: 8
Views: 238
Posted By mark_k
It's been a while since I looked at the code of...

It's been a while since I looked at the code of the V1.0 GVP ROM so some of this might not be 100% correct.

Which version of the SCSI driver (e.g. gvpscsi) do you have on your boot floppy?
How...
Forum: support.Games 27 June 2019, 18:16
Replies: 30
Views: 1,632
Posted By mark_k
Yep, that raw dump has cylinder 46 side 1...

Yep, that raw dump has cylinder 46 side 1 modified (high scores are saved there) but also cylinder 76 side 1. [Also, cylinders 80 and 81 have data on. I missed those when creating my MFMWarp dump.]
...
Forum: support.Games 26 June 2019, 17:29
Replies: 30
Views: 1,632
Posted By mark_k
I think the game was developed by members of some...

I think the game was developed by members of some cracker group(s). Maybe Future Tank is mentioned in the scrolltext of some demos by them???

By the way, Future Tank broken-ness was mentioned in...
Forum: support.Games 25 June 2019, 22:58
Replies: 30
Views: 1,632
Posted By mark_k
Those characters are on the original disk. I...

Those characters are on the original disk. I think that memory area gets overwritten by the high score table read from the disk, so you don't see those scores/names on the screen.
Forum: support.Games 23 June 2019, 19:59
Replies: 30
Views: 1,632
Posted By mark_k
I have uploaded an MFMWarp image created from my...

I have uploaded an MFMWarp image created from my original Future Tank disk back in 1999 to The Zone.

There may be a good chance my original has never been modified; if you do
MFMWarp VIEWF...
Forum: support.Hardware 22 June 2019, 23:00
Replies: 11
Views: 524
Posted By mark_k
You could just use PAL Super-High Res Laced, that...

You could just use PAL Super-High Res Laced, that gives a max of 1440×566 pixels with overscan (1280×512 without). Stretched to 16:9 the pixels will be slightly taller than they are wide, so fonts &...
Forum: support.Hardware 03 June 2019, 17:53
Replies: 38
Views: 856
Posted By mark_k
Thanks, I was hoping there would be some clear...

Thanks, I was hoping there would be some clear indication of which SIMMs correspond to which bank, but there isn't.It sounds like there's a hardware fault in that case. :( I wonder if that's related...
Forum: support.Hardware 02 June 2019, 22:27
Replies: 38
Views: 856
Posted By mark_k
Try again with 48, is there any difference?

Try again with 48, is there any difference?
Forum: support.Hardware 02 June 2019, 20:15
Replies: 38
Views: 856
Posted By mark_k
Yep I had a look at the alloc40 code too. The two...

Yep I had a look at the alloc40 code too. The two 16MB memory regions are $02000000-$02FFFFFF and $03000000-$03FFFFFF.

alloc40 handles either 0MB, 4MB or 16MB in each bank. I assume 4MB would be...
Forum: Coders. System 02 June 2019, 20:08
Replies: 10
Views: 897
Posted By mark_k
This newsgroup posting from 1989...

This newsgroup posting from 1989 (https://groups.google.com/d/msg/comp.sys.amiga/3OJSOTahXJA/ZfEo8ttLBOgJ) may be someone reporting the same problem.
Forum: support.Hardware 02 June 2019, 18:01
Replies: 38
Views: 856
Posted By mark_k
Hmmm. :( What other expansion cards do you...

Hmmm. :(

What other expansion cards do you have in your machine? Could you take a pic of the board showing any text above the SIMM slots?
Forum: support.Hardware 01 June 2019, 16:23
Replies: 38
Views: 856
Posted By mark_k
Try removing the KICK argument from the alloc40...

Try removing the KICK argument from the alloc40 command line. Also, try some different SIMM slot filling schemes. Looking at the board pics I would have thought it's unlikely the current arrangement...
Forum: request.Other 31 May 2019, 15:18
Replies: 19
Views: 4,071
Posted By mark_k
I posted a couple of workarounds for the boot...

I posted a couple of workarounds for the boot ROM/memory issue a while ago, but in the WinUAE 4.1.0 beta thread (here (http://eab.abime.net/showpost.php?p=1262541&postcount=9) and here...
Forum: support.WinUAE 30 May 2019, 21:19
Replies: 37
Views: 2,820
Posted By mark_k
Nice work with the MMU support. I wonder, in...

Nice work with the MMU support.

I wonder, in one very specific case could MMU remapping of chip RAM actually work?
- A500/B2000 with ECS Agnus, 512KB chip + 512KB slow RAM
- 68020/30...
Forum: support.Apps 28 May 2019, 18:11
Replies: 7
Views: 505
Posted By mark_k
In each folder are ADFs for that set.

In each folder are ADFs for that set.
Forum: Nostalgia & memories 28 May 2019, 18:10
Replies: 23
Views: 1,992
Posted By mark_k
Many years ago I figured out how to crack several...

Many years ago I figured out how to crack several Infocom games by looking at the Z-code disassemblies. The patched versions always asked the same question.
Forum: support.WinUAE 26 May 2019, 19:05
Replies: 7
Views: 719
Posted By mark_k
Which version boot ROM is on your Supra SCSI...

Which version boot ROM is on your Supra SCSI board? There should be a label on the chip, probably AMAB followed by a number.
Forum: support.WinUAE 23 May 2019, 20:49
Replies: 2
Views: 329
Posted By mark_k
Maybe you found a bug in WinUAE? It might apply...

Maybe you found a bug in WinUAE? It might apply to any hardware that uses genlock. (With real hardware you can have the Firecracker display on a separate monitor. It's been a while since I played...
Forum: request.Apps 20 May 2019, 21:55
Replies: 6
Views: 1,947
Posted By mark_k
You could upload them to The Zone...

You could upload them to The Zone (http://eab.abime.net/zone.php?).
Forum: support.WinUAE 12 May 2019, 20:14
Replies: 37
Views: 2,820
Posted By mark_k
The A530 probably doesn't support hardware ROM...

The A530 probably doesn't support hardware ROM remapping. (What is the value in byte register at board+$8001?)

Another possibility for the future could be to copy the MMU-using ROM remapping code...
Forum: request.Apps 12 May 2019, 20:09
Replies: 1
Views: 539
Posted By mark_k
Latest/last version of GvpInfo

I'm trying to find the last/final version of GvpInfo, which is a system-info tool on some/many GVP driver disks. I have version 1.39 already.
Forum: support.WinUAE 12 May 2019, 16:52
Replies: 37
Views: 2,820
Posted By mark_k
Are you interested in adding map ROM support for...

Are you interested in adding map ROM support for GVP A1230? I don't have the actual hardware but can type up some notes on how I think it works...
Forum: Amiga scene 08 May 2019, 20:07
Replies: 26
Views: 2,568
Posted By mark_k
I think this came up in another thread, the black...

I think this came up in another thread, the black unit is an earlier version Amiga development system than the one this thread is about. The wire-wrap board sets don't plug into it.
Forum: Amiga scene 28 April 2019, 16:16
Replies: 26
Views: 2,568
Posted By mark_k
It will be worth running DiskSalv or similar on...

It will be worth running DiskSalv or similar on that ADF to see if any files can be recovered. (I remember that at least some official/release Kickstart disks contained old files that could be...
Forum: News 23 April 2019, 19:13
Replies: 946
Views: 148,237
Posted By mark_k
Could that be an incompatiblity with ECS Agnus?...

Could that be an incompatiblity with ECS Agnus? Have you tested it on a Kickstart 1.2 OCS Agnus A500?
Forum: Coders. General 23 April 2019, 18:20
Replies: 5
Views: 793
Posted By mark_k
Thanks for that! And thanks to lab313ru for...

Thanks for that! And thanks to lab313ru for developing it. I'll take a look.
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