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Search: Posts Made By: mark_k
Forum: support.WinUAE 09 January 2022, 12:15
Replies: 113
Views: 15,366
Posted By mark_k
I wonder if the DIP Agnus makes any difference?...

I wonder if the DIP Agnus makes any difference? (i.e. put old Denise in A500 with OCS Fat Agnus and see whether issue still present) Would be worth noting the revision of the Denise chip (printed on...
Forum: support.WinUAE 08 January 2022, 23:18
Replies: 113
Views: 15,366
Posted By mark_k
Is that specific to certain early Denise...

Is that specific to certain early Denise revisions? E.g. present with the old no-EHB one?
Forum: support.Hardware 04 January 2022, 21:51
Replies: 39
Views: 2,265
Posted By mark_k
The EPROM is the large chip with ceramic package,...

The EPROM is the large chip with ceramic package, label on it says IC6 V1. Any EPROM programmer should be able to read it.
Forum: support.Apps 28 December 2021, 10:03
Replies: 8
Views: 441
Posted By mark_k
You could try changing NAMESERVER from...

You could try changing NAMESERVER from 192.168.0.1 to 8.8.8.8 (that's Google's public DNS).
Forum: support.Hardware 28 December 2021, 06:15
Replies: 4
Views: 248
Posted By mark_k
You're in luck, all the SCM chipset-based...

You're in luck, all the SCM chipset-based USB-SCSI converters work without installing a special driver.

You have to set the drive's SCSI ID to 0 and maybe (depending on the specific converter...
Forum: support.Hardware 28 December 2021, 00:43
Replies: 4
Views: 248
Posted By mark_k
Upload a pic and/or give the make & model of the...

Upload a pic and/or give the make & model of the converter.

Many models can work with Windows' built-in USB mass storage driver
Forum: support.Hardware 22 December 2021, 13:31
Replies: 39
Views: 2,265
Posted By mark_k
Data in the old/previous 64KB image is not just...

Data in the old/previous 64KB image is not just doubled, each quarter of the data is different in two bytes (probably corresponding to the ExpansionRom data). Maybe changing jumper positions changes...
Forum: support.Hardware 21 December 2021, 22:39
Replies: 39
Views: 2,265
Posted By mark_k
If you can upload both versions I can take a look...

If you can upload both versions I can take a look some time.
Forum: support.Hardware 21 December 2021, 19:00
Replies: 39
Views: 2,265
Posted By mark_k
Those $E90000 hex dumps do look like ROM data.

Those $E90000 hex dumps do look like ROM data.
Forum: support.Hardware 20 December 2021, 22:27
Replies: 39
Views: 2,265
Posted By mark_k
There's supposed to be a game switch on the back,...

There's supposed to be a game switch on the back, isn't there? Could the ROM be disabled if it's set to game mode???
Forum: support.Hardware 13 December 2021, 23:44
Replies: 39
Views: 2,265
Posted By mark_k
scsi.device from Workbench won't work. The...

scsi.device from Workbench won't work.

The driver in the Reference boot ROM should though. amiga.resource.cx says it's not RDB compatible but maybe there were different versions? Can you upload a...
Forum: support.Hardware 03 December 2021, 14:51
Replies: 4
Views: 884
Posted By mark_k
And also dump the EPROM from the controller board.

And also dump the EPROM from the controller board.
Forum: Amiga scene 15 November 2021, 10:45
Replies: 22
Views: 3,103
Posted By mark_k
A PC emulator like PC-Task should work OK (like a...

A PC emulator like PC-Task should work OK (like a 286 PC maybe).
Forum: Retrogaming General Discussion 13 November 2021, 22:20
Replies: 27
Views: 2,298
Posted By mark_k
There's also ADL (Adventure Definition Language)...

There's also ADL (Adventure Definition Language) (http://aminet.net/package/game/text/ADL). I remember playing with that shortly after I got my first Amiga, was quite impressed at one of the sample...
Forum: support.WinUAE 04 November 2021, 10:09
Replies: 3
Views: 993
Posted By mark_k
Modern hard drives support access by LBA (logical...

Modern hard drives support access by LBA (logical block address) as well as CHS (cylinder, head, sector). Old drives only support CHS.

All (or almost all) USB-IDE converters only support LBA...
Forum: support.WinUAE 31 October 2021, 01:02
Replies: 9
Views: 1,161
Posted By mark_k
I seem to remember one old Soundtracker version...

I seem to remember one old Soundtracker version (DOC Soundtracker IV???) jumped to a hard-coded address in the Kickstart 1.2 ROM. Maybe another reason for a keyboard routine not working?
Forum: request.Other 02 October 2021, 02:08
Replies: 12
Views: 3,608
Posted By mark_k
https://archive.org/details/dctv-amiga/

https://archive.org/details/dctv-amiga/
Forum: Coders. System 11 September 2021, 12:30
Replies: 22
Views: 3,335
Posted By mark_k
Commodore made a program called EndRun which was...

Commodore made a program called EndRun which was used to run a program after closing the intial CLI window and Workbench screen. It was used by some CDTV titles. May not be what you want though,...
Forum: support.Other 02 August 2021, 03:31
Replies: 13
Views: 2,138
Posted By mark_k
If you go that route it would be better to create...

If you go that route it would be better to create image files (ADF files) from the original disks rather than copying individual files.

But I would just suck it up and pay for a new box of DSDD...
Forum: support.WinUAE 02 August 2021, 02:39
Replies: 1,068
Views: 324,409
Posted By mark_k
Yes. It was probably a tool on the...

Yes.

It was probably a tool on the Macrosystem Deinterlace card disk that I used to adjust the number of lines.

In addition to seeing where the height switch occurs, you can see what range of...
Forum: support.Other 02 August 2021, 00:21
Replies: 13
Views: 2,138
Posted By mark_k
Unless you have a very late model (Escom/Amiga...

Unless you have a very late model (Escom/Amiga Technologies) machine covering the HD hole won't make a difference since the drive just doesn't have a sensor there.

How reliably an Amiga drive...
Forum: support.Other 01 August 2021, 20:54
Replies: 13
Views: 2,138
Posted By mark_k
You could try Badformat...

You could try Badformat (http://aminet.net/package/disk/misc/badformat) to mark tracks as bad.

Due to the way tracks are written whole tracks must be marked as bad rather than individual sectors....
Forum: support.WinUAE 29 July 2021, 00:50
Replies: 1,068
Views: 324,409
Posted By mark_k
Most CRTs (incl. my old 1084) have an internal...

Most CRTs (incl. my old 1084) have an internal height switch. Here height really means distance between successive scanlines.

If you gradually decrease the number of lines per frame (so increase...
Forum: support.WinUAE 28 July 2021, 22:01
Replies: 1,068
Views: 324,409
Posted By mark_k
Is the height adjustment supposed to continuously...

Is the height adjustment supposed to continuously adjust the vertical stretch factor, so that however many scanlines there are, the whole image aspect ratio is (close to) 4:3?
Forum: support.WinUAE 28 July 2021, 20:14
Replies: 13
Views: 1,933
Posted By mark_k
Is the WinUAE config you're using set to emulate...

Is the WinUAE config you're using set to emulate the Velvet hardware? Just loading the Velvet Kickstart on an A500 (or other retail Amiga) config wouldn't work.
Forum: support.WinUAE 28 July 2021, 11:18
Replies: 13
Views: 1,933
Posted By mark_k
I could have sworn I tested in WinUAE (using...

I could have sworn I tested in WinUAE (using whichever version was current at the time). Could something have changed with WinUAE's velvet emulation since then???
Forum: Amiga scene 26 July 2021, 15:59
Replies: 7
Views: 1,257
Posted By mark_k
Doesn't Giana Sisters save the high score table...

Doesn't Giana Sisters save the high score table to disk? So if the game was ever played with the disk write-enabled it would be modified.
Forum: support.WinUAE 26 July 2021, 14:54
Replies: 13
Views: 1,933
Posted By mark_k
I think it uses standard trackdisk format. I...

I think it uses standard trackdisk format.

I made a bootable ADF for it, see this post.

Also a ROM-dumping ADF, see this other post.

Neither was tested on real hardware though.
Forum: Coders. Asm / Hardware 10 July 2021, 18:41
Replies: 18
Views: 1,591
Posted By mark_k
The problem might be due to vasm creating...

The problem might be due to vasm creating executables with RELOC32SHORT hunks.

You can use ShortRel (http://aminet.net/package/util/cli/ShortRel) to convert those to RELOC32 which does work on...
Forum: support.WinUAE 30 May 2021, 16:09
Replies: 16
Views: 2,569
Posted By mark_k
I think SetCPU...

I think SetCPU (http://aminet.net/package/util/misc/SetCPU) can be used for that. Just make sure your system does not have any RAM outside the lowest 16MB address space.
Forum: support.Hardware 25 May 2021, 00:48
Replies: 9
Views: 1,148
Posted By mark_k
Maybe the Amiga's clock crystal frequency drifts...

Maybe the Amiga's clock crystal frequency drifts as temperature changes?
Forum: support.Hardware 23 May 2021, 22:33
Replies: 11
Views: 779
Posted By mark_k
The A3000 Install disk apparently contains a...

The A3000 Install disk apparently contains a version of SetClock which works with the A3000 clock chip.
Forum: support.Hardware 08 May 2021, 09:21
Replies: 14
Views: 892
Posted By mark_k
I don't think the A-Max cartridge works with 400K...

I don't think the A-Max cartridge works with 400K or HD Mac drives.

Are you able to confirm your 800K drive works on a real Mac?
Forum: support.Hardware 08 May 2021, 07:29
Replies: 14
Views: 892
Posted By mark_k
Which make and model of Mac floppy drive do you...

Which make and model of Mac floppy drive do you have?
Forum: support.WinUAE 30 April 2021, 20:02
Replies: 10
Views: 1,027
Posted By mark_k
I meant which emulated Amiga HD controller is the...

I meant which emulated Amiga HD controller is the CF connected to. The default is probably WinUAE's (Windows-)native uaehf.device, which would be like connecting a super-fast SSD to a real Amiga. :)
Forum: support.WinUAE 30 April 2021, 18:47
Replies: 10
Views: 1,027
Posted By mark_k
How is the emulated CF card connected? If you...

How is the emulated CF card connected? If you emulate an A600 and connect it to the IDE controller you might see realistic transfer speeds.
Forum: support.Hardware 23 February 2021, 20:08
Replies: 12
Views: 980
Posted By mark_k
Set SCSI2SD SCSI ID to 0. Use HDToolbox to set...

Set SCSI2SD SCSI ID to 0. Use HDToolbox to set the last unit flag in its RDB. Try using SetBatt (on Aminet) to reduce SCSI selection timeout and disable multiple LUN support.
Forum: support.WinUAE 21 February 2021, 19:50
Replies: 1,068
Views: 324,409
Posted By mark_k
Could disconnecting any secondary monitors help?...

Could disconnecting any secondary monitors help? (Maybe if hardware only supports a limited number of planes.)

A couple of Nvidia links:
RegEdit files to enable or disable multi-plane overlays...
Forum: Coders. Asm / Hardware 14 February 2021, 19:20
Replies: 21
Views: 1,998
Posted By mark_k
You could roll your own check, e.g. disable ints,...

You could roll your own check, e.g. disable ints, wait for vblank, read e clock. Wait for a certain number of scanlines, read e clock again. The difference between readings should fall within two...
Forum: Coders. Asm / Hardware 14 February 2021, 09:32
Replies: 21
Views: 1,998
Posted By mark_k
If running under Kickstart 2.0 or later you can...

If running under Kickstart 2.0 or later you can check the EClockFrequency field in ExecBase.
Showing results 1 to 40 of 3220

 
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