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Forum: support.Hardware Today, 11:05
Replies: 80
Views: 1,527
Posted By alexh
I found time to setup WinUAE and install RomSplit...

I found time to setup WinUAE and install RomSplit by Doobrey.

The byte offset of the Allocmem TF said he patched in cdtv.devce 35.14 is byte offset $491 in the extracted file (I've updated my...
Forum: support.Hardware Today, 10:59
Replies: 80
Views: 1,527
Posted By alexh
Toni thanks for the correction. So JOTD...

Toni thanks for the correction.


So JOTD that could explain why it worked? If the Z3 fast is not mapped, then the OS would only use CHIP RAM? Which we know works.

I think when testing this...
Forum: support.Hardware Today, 10:02
Replies: 80
Views: 1,527
Posted By alexh
I don't think the Z3 FAST RAM option in WinUAE...

I don't think the Z3 FAST RAM option in WinUAE requires any OS support. It refers to the fact that it is 32-bit wide and mapped to what later would be the Z3 address space.
Forum: support.Hardware Yesterday, 23:46
Replies: 80
Views: 1,527
Posted By alexh
You didn't follow the instructions. You didn't...

You didn't follow the instructions. You didn't set a width of 2 bytes *AND* you loaded the wrong file!
Forum: support.Hardware Yesterday, 19:38
Replies: 80
Views: 1,527
Posted By alexh
Nice. I might try and see if it still works as...

Nice. I might try and see if it still works as expected in WinUAE. (If you've not already)


I think bartekmalysz needs to try just a patched cdtv.device and cdfs.library first.

Plus I'm not...
Forum: support.Hardware Yesterday, 19:23
Replies: 80
Views: 1,527
Posted By alexh
No that is the v2.30 ROM file offset not the...

No that is the v2.30 ROM file offset not the cdtv.device file offset. (A file offset is how many bytes into the file the location you want to modify is)

The byte you're going to change in...
Forum: support.Hardware Yesterday, 19:06
Replies: 80
Views: 1,527
Posted By alexh
You could try the patch to cdtv.device ($490 :...

You could try the patch to cdtv.device ($490 : $7202) as well?

Load the cdtv.device file into HxD (or another Hex editor)

select view->Bytes per ROW->2 (This is a HxD setting)

Scroll down...
Forum: support.Hardware Yesterday, 18:01
Replies: 80
Views: 1,527
Posted By alexh
Don't be surprised if this doesn't work without...

Don't be surprised if this doesn't work without patching cdtv.device.

TF today in a thread over on exxos said he never tested that one byte in cdfs.library on it's own.

This is the only other...
Forum: support.Hardware Yesterday, 17:53
Replies: 80
Views: 1,527
Posted By alexh
I thought this was what we were attempting? ...

I thought this was what we were attempting?

Goal #3: access the CD after booting from hard drive => rom hack & burn


That was never achieved by TF. Even after patching every(?) allocmem...
Forum: support.Hardware Yesterday, 17:41
Replies: 80
Views: 1,527
Posted By alexh
After the ROM has been patched remus won't load...

After the ROM has been patched remus won't load it. I didn't realise that would happen.
Forum: support.Hardware Yesterday, 16:59
Replies: 80
Views: 1,527
Posted By alexh
It's not that. You're using the tool incorrectly....

It's not that. You're using the tool incorrectly. You pass it the full extended kickstart ROM v2.3 file, not the sub-files you've extracted from it.

You need to extract them again using...
Forum: support.Hardware Yesterday, 15:47
Replies: 80
Views: 1,527
Posted By alexh
It was suspected, and TF still thinks it could be...

It was suspected, and TF still thinks it could be what is preventing the booting from CD with the TF536 enabled.

*AND* resourcing cdtv.device may help changing from the custom controller and...
Forum: support.Hardware Yesterday, 14:06
Replies: 80
Views: 1,527
Posted By alexh
I found the patch location ($3824E) and MD5 HASH...

I found the patch location ($3824E) and MD5 HASH (D1145AB3A0F89340F94C9E734762C198) (https://cloanto.com/amiga/roms/getcrc/ceae68d2.html) for v2.07 (see previous post).

The MD5 HASH for v1.0 is...
Forum: support.Hardware Yesterday, 13:57
Replies: 80
Views: 1,527
Posted By alexh
cdfs.library not cdtv.device

cdfs.library not cdtv.device
Forum: support.Hardware Yesterday, 12:53
Replies: 80
Views: 1,527
Posted By alexh
It is possible to use v2.07 because cdfs.device...

It is possible to use v2.07 because cdfs.device didn't change between v2.07 and v2.30. You just need to know the address to patch, which you can get using RomSplit/Remus...
Forum: support.Hardware Yesterday, 11:31
Replies: 80
Views: 1,527
Posted By alexh
Thanks, should help those who want to try this...

Thanks, should help those who want to try this but are not comfortable with hexedit.

If anyone is interested, this script verifies the input file is a valid 2.30 extended ROM (using MD5 hash) and...
Forum: support.Hardware Yesterday, 02:25
Replies: 2
Views: 121
Posted By alexh
27C1000 are byte wide EPROMs (unlike 27c400 which...

27C1000 are byte wide EPROMs (unlike 27c400 which are 16-bit) so there's nothing to swap. But you must split them into odd and even (you need two 27C1000)

These EPROMs are great for Atari STe TOS...
Forum: support.Hardware Yesterday, 01:18
Replies: 80
Views: 1,527
Posted By alexh
You? The exact details are in my post TF has...

You? The exact details are in my post

TF has replied albeit cryptically



Here could mean my post, that one byte, or it could mean the other patches throughout his thread on exxos as he...
Forum: Retrogaming General Discussion 23 October 2020, 21:34
Replies: 44
Views: 1,649
Posted By alexh
There are value-for-money Amiga's to be had, but...

There are value-for-money Amiga's to be had, but they have moved from eBay to other sales channels. Even Facebook marketplace is getting expensive. Try the local selling forums for your area, free...
Forum: support.Hardware 23 October 2020, 21:14
Replies: 80
Views: 1,527
Posted By alexh
I thought there might be enough information in...

I thought there might be enough information in the CDTV thread over at exxos to patch the ROM rather than require the firmware which patches on the fly?

viewtopic.php?f=76&t=1951&start=30#p23329
...
Forum: support.Hardware 22 October 2020, 20:52
Replies: 80
Views: 1,527
Posted By alexh
Surely you just hand edit the ROM in hex edit and...

Surely you just hand edit the ROM in hex edit and burn into a 27c1000 EPROM to try it out?
Forum: support.Hardware 22 October 2020, 13:05
Replies: 80
Views: 1,527
Posted By alexh
In the original CDTV thread on the exxos forum TF...

In the original CDTV thread on the exxos forum TF lists the addresses of places in the ROMs to be patched.

I believe it is this single location in cdfs.device which when pactched allows the system...
Forum: Coders. Asm / Hardware 19 October 2020, 11:24
Replies: 9
Views: 592
Posted By alexh
Most programs only use a handful of the blitter...

Most programs only use a handful of the blitter functions so a 1:1 emulator of all functions of the blitter would seem to be a bit overkill?

I imagine most late Amiga programs detect the CPU and...
Forum: MarketPlace 17 October 2020, 09:44
Replies: 5
Views: 641
Posted By alexh
Retr0bright. A mix of hydrogen peroxide and TAED....

Retr0bright. A mix of hydrogen peroxide and TAED. Plus UV light (sunlight)
Forum: project.CD32 Conversion 14 October 2020, 23:35
Replies: 6
Views: 611
Posted By alexh
Thank you

Thank you
Forum: support.Hardware 11 October 2020, 17:49
Replies: 226
Views: 7,864
Posted By alexh
The Apollo core is an interesting development....

The Apollo core is an interesting development. Hats off to the developers for producing a product Amiga owners want to buy. The future is interesting though. It’s close source nature means...
Forum: support.Hardware 08 October 2020, 01:29
Replies: 37
Views: 1,301
Posted By alexh
The install disk and parts of the manual are...

The install disk and parts of the manual are linked to in this thread
Forum: support.Hardware 07 October 2020, 08:34
Replies: 4
Views: 198
Posted By alexh
You could try a different DMAC-02 chip to fix the...

You could try a different DMAC-02 chip to fix the onboard SCSI. Easier said than done these days with everyone doing A3000++ builds
Forum: support.Games 03 October 2020, 01:05
Replies: 35
Views: 882
Posted By alexh
FYI Edu Arana is developing a new SCSI adapter...

FYI Edu Arana is developing a new SCSI adapter card for CDTV which has integrated SCSI2SD meaning if you want an internal solution you don't have to find ultra-rare 2.5" SCSI drives or use...
Forum: Nostalgia & memories 01 October 2020, 22:14
Replies: 6
Views: 625
Posted By alexh
I think so. Meaning the TCE leak must have been...

I think so. Meaning the TCE leak must have been before he joined.
Forum: support.Hardware 01 October 2020, 18:16
Replies: 4
Views: 296
Posted By alexh
This is the one I printed ...

This is the one I printed

https://www.thingiverse.com/thing:4289506/comments

But someone made a real 1:1 copy of the original using a mold, unfortunately he was sold out before I found out and...
Forum: Nostalgia & memories 01 October 2020, 17:58
Replies: 6
Views: 625
Posted By alexh
I think the leak was in the 1970s but knowing...

I think the leak was in the 1970s but knowing what these places and the super nasty chemicals they use I bet there were spills all the way to the 1990s.
...
Forum: Nostalgia & memories 01 October 2020, 08:49
Replies: 6
Views: 625
Posted By alexh
The reason no one has moved in and they've not...

The reason no one has moved in and they've not torn it down is the whole site is one of the most polluted places. They kept lots of waste chemicals in tanks underground which leaked and seeped into...
Forum: support.Hardware 30 September 2020, 23:31
Replies: 37
Views: 1,301
Posted By alexh
I'm only familiar with A500 GVP Impact Series II...

I'm only familiar with A500 GVP Impact Series II HD8+ which had a switch on the top to disable autoboot. Are there no jumpers to disable autoboot?
Forum: support.Hardware 30 September 2020, 18:31
Replies: 3
Views: 176
Posted By alexh
Yes NC is usually not connected. Possibly just...

Yes NC is usually not connected. Possibly just there for stabilisation (NOTE: I've not read the datasheet for that crystal)
Forum: support.Hardware 30 September 2020, 18:25
Replies: 3
Views: 176
Posted By alexh
It's the crystal for the FPU so that you can run...

It's the crystal for the FPU so that you can run the FPU asynchronously (faster) than the 14MHz onboard A1200's EC020 CPU.

Not needed if you don't have an FPU fitted.

Or even if you do you can...
Forum: support.Hardware 30 September 2020, 11:52
Replies: 13
Views: 524
Posted By alexh
The simple solution has been around since day...

The simple solution has been around since day one, a pre-requisite for Atari ST owners who didn't want to break their mouse ports... the dual 9-pin cable extenders.
...
Forum: Amiga scene 30 September 2020, 11:47
Replies: 581
Views: 86,814
Posted By alexh
There were no 040 accelerators for the A1200 in...

There were no 040 accelerators for the A1200 in 1993 (and probably non in 1994 either)
Forum: Coders. Asm / Hardware 29 September 2020, 23:15
Replies: 45
Views: 5,029
Posted By alexh
There was 3G59Y...

There was 3G59Y (https://www.nxp.com/docs/en/product-change-notice/PCN3448.html) for EC/LC only too which came in when the full 060 was changed to 1E41J (what you have noted as Rev5).

FYI you...
Forum: support.Hardware 29 September 2020, 15:05
Replies: 37
Views: 1,301
Posted By alexh
I think there is a ROM dump from the 500 LX...

I think there is a ROM dump from the 500 LX version (probably the same HW). I think it is later than yours (v67.1 trifecta.device labelled v4.31)

It is in post #16 of this thread (but later Toni...
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