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Search: Posts Made By: mark_k
Forum: support.Hardware 29 October 2022, 11:16
Replies: 25
Views: 1,437
Posted By mark_k
How much did that cost you? :)

How much did that cost you? :)
Forum: support.Other 28 October 2022, 13:06
Replies: 12
Views: 628
Posted By mark_k
I seem to remember that CrossMac can work with an...

I seem to remember that CrossMac can work with an A-Max or AMIA cartridge and a real Mac 800KB drive in order to read and write real Mac 800KB disks.
Forum: Coders. Asm / Hardware 25 October 2022, 19:18
Replies: 11
Views: 945
Posted By mark_k
You can run such executables through ShortRel...

You can run such executables through ShortRel (https://aminet.net/package/util/cli/ShortRel) to convert back to reloc32 in order to use with programs that don't support reloc32short (like Imploder,...
Forum: Coders. Asm / Hardware 25 October 2022, 06:38
Replies: 11
Views: 945
Posted By mark_k
From doshunks.h: /* * Note: V37 LoadSeg...

From doshunks.h:

/*
* Note: V37 LoadSeg uses 1015 (HUNK_DREL32) by mistake. This will continue
* to be supported in future versions, since HUNK_DREL32 is illegal in load files
* anyways. ...
Forum: Coders. Asm / Hardware 14 October 2022, 18:27
Replies: 38
Views: 1,882
Posted By mark_k
A hunk of exactly 256KB would be cleared; hunk...

A hunk of exactly 256KB would be cleared; hunk length $00010000 longwords -> $0000 -> $FFFF for DBF loop.

But a larger hunk might only be cleared modulo 256KB. E.g. if you have hunk length...
Forum: Coders. Asm / Hardware 13 October 2022, 22:23
Replies: 38
Views: 1,882
Posted By mark_k
Is the broken 1.x BSS hunk clearing actually...

Is the broken 1.x BSS hunk clearing actually modulo 256KB? So e.g. if you have a BSS hunk of length 256KB+4 bytes, only the first 4 bytes would be cleared???
Forum: Coders. Asm / Hardware 12 October 2022, 15:17
Replies: 38
Views: 1,882
Posted By mark_k
In some alternate reality I guess CBM could have...

In some alternate reality I guess CBM could have fixed clearvec in SetPatch?
Forum: Coders. Asm / Hardware 11 October 2022, 21:13
Replies: 38
Views: 1,882
Posted By mark_k
Someone did notice. :) Olaf Siebert posted to...

Someone did notice. :)
Olaf Siebert posted to comp.sys.amiga.programmer in April 1994 (https://groups.google.com/g/comp.sys.amiga.programmer/c/VAbSKmx-SHI/m/OT8GL9c6w-wJ)

A warning would be...
Forum: Coders. Asm / Hardware 10 October 2022, 22:03
Replies: 38
Views: 1,882
Posted By mark_k
BSS area is not cleared, you have to initialise...

BSS area is not cleared, you have to initialise it yourself. By luck maybe the BSS area was mostly/all zeros when you loaded the program the first time, but not the second time.
Forum: support.Hardware 17 September 2022, 00:52
Replies: 25
Views: 1,437
Posted By mark_k
Apparently the very earliest Zip drives were IDE...

Apparently the very earliest Zip drives were IDE not ATAPI. No idea whether one of those (if you can even find a working one) would be compatible with the Amiga.
Forum: support.Hardware 06 August 2022, 13:09
Replies: 5
Views: 553
Posted By mark_k
There might be an easy fix. A post in this thread...

There might be an easy fix. A post in this thread on shmups.system11.org (https://shmups.system11.org/viewtopic.php?t=58707) (scroll to the bottom) says:
Forum: support.Hardware 03 August 2022, 19:53
Replies: 5
Views: 553
Posted By mark_k
Maybe the unit is not compatible with 240p/288p...

Maybe the unit is not compatible with 240p/288p non-interlaced signals? You could run Lacer 1 to force interlace mode so WB-friendly programs look better at least.
Forum: support.WinUAE 10 July 2022, 23:30
Replies: 5
Views: 696
Posted By mark_k
A plain dump from the EPROM should work. If you...

A plain dump from the EPROM should work. If you do dump your EPROMs, it would be good if you could upload them, maybe you have a version which hasn't been dumped before?
Forum: support.Hardware 16 June 2022, 23:07
Replies: 5
Views: 537
Posted By mark_k
The circuitry needed for a genlock is way more...

The circuitry needed for a genlock is way more complicated than for a sampler or MIDI interface. Check the schematics in the Genlock Service Manual...
Forum: Coders. Asm / Hardware 28 May 2022, 08:32
Replies: 12
Views: 1,791
Posted By mark_k
A-Max has a special bootblock that write-enables...

A-Max has a special bootblock that write-enables the Kickstart RAM so it can be used for Mac emulation.

Also see DumpA1000BootROM on Aminet (https://aminet.net/package/util/misc/DumpA1000BootROM).
Forum: Coders. Asm / Hardware 11 May 2022, 12:40
Replies: 398
Views: 86,047
Posted By mark_k
You can map ROM in the $F00000 region containing...

You can map ROM in the $F00000 region containing a RomTag whose init routine adds your memory.
Forum: Coders. Asm / Hardware 10 May 2022, 21:47
Replies: 398
Views: 86,047
Posted By mark_k
You could just emulate a 68000 except with 32-bit...

You could just emulate a 68000 except with 32-bit addressing. Then use AddMemList() to add any memory region you like. That memory wouldn't be present at boot time though, unless you have something...
Forum: Coders. Asm / Hardware 10 May 2022, 14:42
Replies: 398
Views: 86,047
Posted By mark_k
Can you put 1.5MB RAM at $C00000? That should be...

Can you put 1.5MB RAM at $C00000? That should be automatically recognised by Exec.
Forum: support.Apps 06 May 2022, 13:36
Replies: 7
Views: 1,599
Posted By mark_k
How are you trying to unpack the .sit files? Just...

How are you trying to unpack the .sit files? Just double-clicking the file's icon?

Try dragging it onto the StuffIt Expander app icon. Or using the File->Open menu in StuffIt Expander to choose...
Forum: support.Apps 23 April 2022, 09:58
Replies: 7
Views: 1,599
Posted By mark_k
Which version of StuffIt are you using? Older...

Which version of StuffIt are you using? Older ones can't unpack newer archives.

Also, make sure you copy the .sit file to the Mac HD before unpacking it.
Forum: request.Apps 20 April 2022, 23:26
Replies: 12
Views: 2,083
Posted By mark_k
TrackDOS...

TrackDOS (http://aminet.net/package/disk/misc/TrackDOS)?
Forum: support.Amix 20 March 2022, 11:00
Replies: 10
Views: 2,932
Posted By mark_k
What capacity is the SD-emulated SCSI drive?...

What capacity is the SD-emulated SCSI drive? Maybe it needs to be the same as the HDF size? 2000000 sectors here.
Forum: Coders. Asm / Hardware 21 February 2022, 14:58
Replies: 40
Views: 8,396
Posted By mark_k
If I remember correctly, the -S command line...

If I remember correctly, the -S command line argument tells ReSource to use system rendering routines. Maybe that helps with RTG?
Forum: support.Hardware 02 February 2022, 15:11
Replies: 11
Views: 867
Posted By mark_k
The CMS web site...

The CMS web site (http://www.cmsco.gr/home/index.php?option=com_content&view=article&id=4&Itemid=7&lang=En) lists Rockfire USB-Nest DB15-USB converter which has a mode switch. Does your converter...
Forum: request.Other 24 January 2022, 22:00
Replies: 4
Views: 4,007
Posted By mark_k
Many thanks for that!

Many thanks for that!
Forum: support.Hardware 21 January 2022, 23:17
Replies: 45
Views: 4,067
Posted By mark_k
The Zone? EAB FTP server? Or some random file...

The Zone? EAB FTP server? Or some random file sharing site?
Forum: support.Hardware 21 January 2022, 20:48
Replies: 45
Views: 4,067
Posted By mark_k
Yes definitely. If I remember correctly the ROM...

Yes definitely. If I remember correctly the ROM is able to load an updated driver from HD. You'd use the original install disk to put that updated driver there.
Forum: support.WinUAE 09 January 2022, 12:15
Replies: 164
Views: 38,580
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: 164
Views: 38,580
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: 45
Views: 4,067
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: 932
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: 392
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: 392
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: 45
Views: 4,067
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: 45
Views: 4,067
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: 45
Views: 4,067
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: 45
Views: 4,067
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: 45
Views: 4,067
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: 993
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: 4,459
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).
Showing results 1 to 40 of 3247

 
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