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Search: Posts Made By: mark_k
Forum: support.Other Today, 14:27
Replies: 30
Views: 1,006
Posted By mark_k
2GB should be fine if FFS is recent enough...

2GB should be fine if FFS is recent enough (version 40.1 should be, I think). You should ensure the partition is within the first 4GB of the drive though.
Forum: support.Other Today, 14:08
Replies: 30
Views: 1,006
Posted By mark_k
I wonder if there's some hardware-level...

I wonder if there's some hardware-level incompatibility between the A530 and SCSI2SD.
If so adjusting MaxTransfer probably won't cure the problem. But try a lower number, e.g. 0x8000.

Also, do...
Forum: support.Other Today, 00:05
Replies: 30
Views: 1,006
Posted By mark_k
MaxTransfer of 0x1FFFE00 or 0xFFFFFFFF will make...

MaxTransfer of 0x1FFFE00 or 0xFFFFFFFF will make no difference, since no program would ever attempt to read 8MB at once.

A lower MaxTransfer might possibly be required with some older/buggy device...
Forum: Coders. Language Yesterday, 23:59
Replies: 42
Views: 1,362
Posted By mark_k
It could be that % was a typo; it's Shift-5 for %...

It could be that % was a typo; it's Shift-5 for % vs Shift-4 for $ on the keyboard, and the corresponding UNIX opt line doesn't have a % in.

I don't know whether removing the % will make any...
Forum: Coders. Language Yesterday, 23:28
Replies: 42
Views: 1,362
Posted By mark_k
There's a PDF of the QL BCPL manual mentioned...

There's a PDF of the QL BCPL manual mentioned above. The book "BCPL: The Language and its Compiler" could perhaps contain some info, though of course it wouldn't be specific to the Metacomco compiler.
Forum: OT - Gaming Yesterday, 20:17
Replies: 554
Views: 69,452
Posted By mark_k
MDK free on GOG (https://www.gog.com/game/mdk)

MDK free on GOG (https://www.gog.com/game/mdk)
Forum: support.Other Yesterday, 19:50
Replies: 30
Views: 1,006
Posted By mark_k
With an A530, you probably don't have any memory...

With an A530, you probably don't have any memory outside the lower 16MB (you can check by running ShowConfig), so setting Mask to 0xFFFFFFFE or 0x00FFFFFE will make no difference.

MaxTransfer of...
Forum: support.WinUAE Yesterday, 19:42
Replies: 4
Views: 345
Posted By mark_k
It sounds like D3D9Ex overlay bypasses DWM,...

It sounds like D3D9Ex overlay bypasses DWM, allowing non-vsynced rendering & lower latency in windowed mode. A blog post by the developer of VirtualDub: Exploring hardware overlay support in Windows...
Forum: support.WinUAE Yesterday, 19:09
Replies: 11
Views: 439
Posted By mark_k
Thanks. The doesn't-work-until-you-Ctrl-A-A...

Thanks.

The doesn't-work-until-you-Ctrl-A-A issue with the Z2 fast RAM config has been present since pre-1.3 booting was first implemented (I checked back to 3.2.0).
Forum: News Yesterday, 16:57
Replies: 85
Views: 8,617
Posted By mark_k
To illustrate the difference between the old and...

To illustrate the difference between the old and new title bar patterns I created an example image.https://www.media!fire.com/file/puz3dag4m4wfdm3/Patterns.ilbm.lhaAlso uploaded to The Zone. 320400...
Forum: Coders. Language 20 November 2017, 23:53
Replies: 42
Views: 1,362
Posted By mark_k
I tried setting things up to be able to build the...

I tried setting things up to be able to build the BCPL compiler on the Amiga:https://www.media!fire.com/file/h4539916bp5gjqj/bcpl_amiga_test_20171120.tar.gz

Upack that on the Amiga using this...
Forum: Coders. Language 20 November 2017, 23:37
Replies: 42
Views: 1,362
Posted By mark_k
In makefile is this line: .b.obj:; bcpl $*.b...

In makefile is this line:

.b.obj:; bcpl $*.b $*.obj opt '"%$$AMIDOS,$$AMIGA,$(BOPTS)"' obj A

Is the % symbol a typo? Also do the $$ get changed by make when invoking bcpl? (E.g. changing $$ to...
Forum: News 20 November 2017, 15:24
Replies: 85
Views: 8,617
Posted By mark_k
I'd bet the title bar pattern change followed the...

I'd bet the title bar pattern change followed the addition of support for interlaced Workbench screen in Kickstart/WB 1.2. The pre-1.2 pattern flickers really badly with the default Workbench...
Forum: support.WinUAE 19 November 2017, 22:16
Replies: 11
Views: 439
Posted By mark_k
OK, some configs with OCS 68000 cycle-exact...

OK, some configs with OCS 68000 cycle-exact here:https://www.media!fire.com/file/98zql177z8tb30w/KS1.2_configs.zip

512KB chip: Infinite reboot loop at grey screen, resets every ~1/2 second.
512KB...
Forum: support.WinUAE 19 November 2017, 17:33
Replies: 11
Views: 439
Posted By mark_k
(Lines about e.g. input devices & D3D deleted for...

(Lines about e.g. input devices & D3D deleted for brevity.)

Hopefully you should be able to reproduce this with Crash_test_4GB_HD.bin.

On loading config:
config reset
load config...
Forum: support.WinUAE 19 November 2017, 13:17
Replies: 11
Views: 439
Posted By mark_k
Thanks. There's still a problem with 1.2 ROM...

Thanks. There's still a problem with 1.2 ROM though.

On starting emulation the insert WB disk screen appears. If you then press Ctrl-A-A you get the no disk present requester. Is the system...
Forum: Coders. Language 18 November 2017, 21:16
Replies: 42
Views: 1,362
Posted By mark_k
I've managed to build an Amiga BCPL executable...

I've managed to build an Amiga BCPL executable which seems to (at least partly) work!
I built it on NetBSD/amiga. Doing make bcpl.ld builds the executable....
Forum: support.WinUAE 18 November 2017, 19:02
Replies: 11
Views: 439
Posted By mark_k
Yes the issue only seems to happen with a (uaehf)...

Yes the issue only seems to happen with a (uaehf) HDF configured. You can use Crash_test_HD_4GB.bin to illustrate the problem. Shared folder isn't necessary. Config with no shared folder, 1.2...
Forum: support.WinUAE 18 November 2017, 16:05
Replies: 11
Views: 439
Posted By mark_k
Boot problem after changing Kickstart to/from 1.2

Boot the attached config. It uses Kickstart 3.1 and boots HDF to Workbench. There's also a non-bootable shared directory.

Press F12 and in ROM settings change to Kickstart 1.2. Click Reset....
Forum: Coders. Language 17 November 2017, 22:36
Replies: 42
Views: 1,362
Posted By mark_k
If you want to experiment with SunOS that's...

If you want to experiment with SunOS that's great, but for just trying to get the BCPL compiler working it seems that it runs OK on any M68K NetBSD (including NetBSD/amiga). So there's no benefit to...
Forum: support.WinUAE 17 November 2017, 22:15
Replies: 8
Views: 447
Posted By mark_k
Don't know the answer but I'll upload an updated...

Don't know the answer but I'll upload an updated disassembly later.

There seems to be a mistake in the OMTI manual, on p.5-2 the definitions for the C/D bit are the wrong way around. (So 0 means...
Forum: Coders. Language 17 November 2017, 20:48
Replies: 42
Views: 1,362
Posted By mark_k
Yes running assem (or another compatible...

Yes running assem (or another compatible assembler) on the Amiga should work, but try cassem first: v40/tools/src/cassem/cassem

Also you could modify the makefile to use calink instead of alink....
Forum: Coders. Language 17 November 2017, 20:15
Replies: 42
Views: 1,362
Posted By mark_k
Yes I'm seeing that too. Also, the makefile...

Yes I'm seeing that too.

Also, the makefile reads ../DOS/support/fpsim.obj
Changing that to the "local" one (assembled from fpsim.asm) might work. But maybe the Commodore-Amiga version would have...
Forum: Coders. Language 17 November 2017, 18:25
Replies: 42
Views: 1,362
Posted By mark_k
I tested bcpl.020 on NetBSD/amiga and it seems to...

I tested bcpl.020 on NetBSD/amiga and it seems to work fine. Some massaging of the makefile will be needed to build an Amiga object file (do make bcpl.ld to do that). Maybe also replace the bassem...
Forum: support.WinUAE 17 November 2017, 17:02
Replies: 40
Views: 845
Posted By mark_k
In the Input settings tab, there's a drop-down...

In the Input settings tab, there's a drop-down list to the right of "Configuration #1". Can you drop that down and attach a screenshot? It should show the different input devices in your system.
Forum: support.WinUAE 16 November 2017, 23:25
Replies: 8
Views: 447
Posted By mark_k
By the way, you should be able to enable debug...

By the way, you should be able to enable debug mode in the fmt program which prints some logging/diagnostics.

Using a binary file editor, change byte at offset $4DC1 from $00 to $01. (See...
Forum: support.WinUAE 16 November 2017, 22:01
Replies: 8
Views: 447
Posted By mark_k
fmt and buff...

fmt and buff disassemblies:https://www.media!fire.com/file/00ol58dfiflr8dp/fmt_buff_disasm20171116.tar.gz

FORMAT DRIVE (opcode $04):
OMTI manual says: "If bit 6 of the control byte is cleared,...
Forum: News 16 November 2017, 16:10
Replies: 85
Views: 8,617
Posted By mark_k
Toni recently patched FFS 45.13 to add TD64...

Toni recently patched FFS 45.13 to add TD64 support and work on Kickstart 1.3...
Forum: Coders. Language 16 November 2017, 15:11
Replies: 42
Views: 1,362
Posted By mark_k
NetBSD/amiga should be able to run SunOS binaries...

NetBSD/amiga should be able to run SunOS binaries (http://www.netbsd.org/docs/compat.html) so you might find doing that on WinUAE (download a pre-installed NertBSD HDF) easier than figuring out Sun...
Forum: support.WinUAE 15 November 2017, 23:42
Replies: 8
Views: 447
Posted By mark_k
Possibly more "interesting" is that the buff and...

Possibly more "interesting" is that the buff and fmt programs on the software disk use some OMTI/DTC controller commands which other drivers don't. You need to correctly emulate $0E READ DATA FROM...
Forum: Coders. Language 14 November 2017, 23:48
Replies: 42
Views: 1,362
Posted By mark_k
There probably wasn't a (public) BCPL compiler...

There probably wasn't a (public) BCPL compiler for the Amiga. However with the leaked AmigaOS 3.1 source is what looks like a compiler executable for Sun (680x0) workstation, and the source code for...
Forum: Coders. Language 14 November 2017, 17:16
Replies: 42
Views: 1,362
Posted By mark_k
I don't think Cambridge LISP is compatible with...

I don't think Cambridge LISP is compatible with 32-bit addressing. You could try running NoFastMem first, or use a config that doesn't have memory outside the lower 16MB. And/or check the 24-bit...
Forum: Coders. System 14 November 2017, 15:19
Replies: 3
Views: 345
Posted By mark_k
Thanks, I didn't know that! Do you know whether...

Thanks, I didn't know that! Do you know whether that behaviour was documented anywhere?
Forum: support.Apps 14 November 2017, 14:29
Replies: 13
Views: 388
Posted By mark_k
What is the file size and date of the not-working...

What is the file size and date of the not-working Ed on your Workbench disk?
Forum: support.WinUAE 13 November 2017, 15:45
Replies: 8
Views: 447
Posted By mark_k
Reiter Software Wedge

The Reiter Software Wedge (http://amiga.resource.cx/exp/wedge) is another simple board which allows an IBM PC MFM/RLL HD controller to be connected to the Amiga.

Should be pretty simple to add...
Forum: support.Hardware 12 November 2017, 21:46
Replies: 1
Views: 100
Posted By mark_k
From looking at the board pic, it's SCSICN2 (CN...

From looking at the board pic, it's SCSICN2 (CN short for connector). There's also an 8-pin connector (maybe marked SCSICN3 ?) next to it. Maybe you'd need to connect ribbon cables to both to connect...
Forum: support.Hardware 12 November 2017, 21:33
Replies: 34
Views: 786
Posted By mark_k
That's very interesting... So CC0: is...

That's very interesting...

So CC0: is distinct from all partitions on the hard drive? Does CC0: appear as write-protected? Would you be able to dump its contents? (You can use Dev-Handler...
Forum: Coders. General 12 November 2017, 15:33
Replies: 8
Views: 2,330
Posted By mark_k
Not worth manually messing with, but an...

Not worth manually messing with, but an unmessed-with "original" would be nice.
Forum: support.Hardware 12 November 2017, 15:31
Replies: 34
Views: 786
Posted By mark_k
Here's a tiny program with source for loading...

Here's a tiny program with source for loading card.resource from disk without rebooting. (Remove ! after pasting into your browser.)...
Forum: Coders. General 12 November 2017, 15:21
Replies: 8
Views: 2,330
Posted By mark_k
Is a better (i.e. original scanned) version of...

Is a better (i.e. original scanned) version of the PDF available? It looks like someone ran the scanned document through a not-very-good OCR program.
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