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Search: Posts Made By: jotd
Forum: project.WHDLoad 19 October 2020, 21:21
Replies: 9
Views: 363
Posted By jotd
it's extremely difficult to create a...

it's extremely difficult to create a startup/cleanup code that supports all CPUs, MMU configurations, VBR relocation, caches, CIAs... and is able to restore them back when quitting.

whdload is the...
Forum: Coders. Asm / Hardware 19 October 2020, 21:00
Replies: 8
Views: 392
Posted By jotd
it's terrible :) on a 68040 it slows down games a...

it's terrible :) on a 68040 it slows down games a lot. On WinUAE it's not noticeable. Each write to a custom or CIA register probably triggers a page fault and that exception must be handled.

It's...
Forum: Retrogaming General Discussion 19 October 2020, 20:57
Replies: 3
Views: 149
Posted By jotd
Green Beret level 2 boss is made of several waves...

Green Beret level 2 boss is made of several waves of 1 soldier + 3 dogs attacking you. Dogs attack first and are the most dangerous, but you can also be killed by the master if you suck.
Forum: Coders. Asm / Hardware 19 October 2020, 14:30
Replies: 8
Views: 392
Posted By jotd
whdload does that. but doesn't give the info back...

whdload does that. but doesn't give the info back to any monitor.
Forum: project.WHDLoad 19 October 2020, 14:29
Replies: 9
Views: 363
Posted By jotd
subcontract it then.

subcontract it then.
Forum: Nostalgia & memories 17 October 2020, 23:01
Replies: 22
Views: 666
Posted By jotd
it's good because it's not just guitar on drum...

it's good because it's not just guitar on drum machine & synth bass (like a lot of other remixes). The bass & drums parts are also excellent.
Forum: Nostalgia & memories 17 October 2020, 22:59
Replies: 7
Views: 407
Posted By jotd
hilarious. Note that there's a censored version...

hilarious. Note that there's a censored version on YT where they seemed to have photoshopped the animation...

The "back & forth" effect can be found on "Son of Stag" series too :)
Forum: Amiga scene 15 October 2020, 22:10
Replies: 135
Views: 10,248
Posted By jotd
Same engine as Tin Toy Adventure I suppose. And...

Same engine as Tin Toy Adventure I suppose. And same colorful graphics, but playability looks even better. Good work.
Forum: Coders. Asm / Hardware 14 October 2020, 22:54
Replies: 25
Views: 990
Posted By jotd
I'm sure Toni will be delighted to support that...

I'm sure Toni will be delighted to support that chip in WinUAE, and Wepl will be thrilled to support that chip in Whdload :)
Forum: Coders. General 14 October 2020, 21:52
Replies: 159
Views: 134,423
Posted By jotd
Horrible story! Reminds me of a C++ project...

Horrible story!

Reminds me of a C++ project using Visual C++ back in 1999.

We had Zenith PCs (pure crap) and one Dell PC (good stuff)

When compiling a particular file, the zenith PCs had a...
Forum: Coders. Asm / Hardware 14 October 2020, 21:47
Replies: 25
Views: 990
Posted By jotd
Damn this is a rare chip I had never heard of...

Damn this is a rare chip I had never heard of before. Were there Amigas with 68020 and MC 68851 as MMU? I doubt WinUAE supports this either.
Forum: project.TOSEC (amiga only) 13 October 2020, 21:04
Replies: 17
Views: 900
Posted By jotd
a crack that you can't nibblewarp isn't really a...

a crack that you can't nibblewarp isn't really a crack :)
Forum: project.TOSEC (amiga only) 13 October 2020, 08:52
Replies: 17
Views: 900
Posted By jotd
writing a track on a disk doesn't write other...

writing a track on a disk doesn't write other tracks. It's safe even with multitasking.

Leave the disk being NDOS-detected, then write your boot track.
Forum: project.TOSEC (amiga only) 12 October 2020, 21:03
Replies: 17
Views: 900
Posted By jotd
yes (for instance RN PDOS is $1800 bytes long too...

yes (for instance RN PDOS is $1800 bytes long too but when reducing the gap, it can be written back and it works properly), but a disk that's not standard DOS track isn't a "proper" crack. I mean I...
Forum: Coders. C/C++ 11 October 2020, 23:26
Replies: 1,238
Views: 164,687
Posted By jotd
Maybe running run68017 before the program can...

Maybe running run68017 before the program can workaround the issues. Linking startup code is slightly trickier.

I've tried to put the check first thing in "main" but to no avail... also tried...
Forum: Hardware mods 11 October 2020, 21:15
Replies: 4
Views: 222
Posted By jotd
DB23 2 VGA exists as an adapter BTW. But it...

DB23 2 VGA exists as an adapter BTW. But it outputs 15KHz so you need a capable monitor to display it.
Forum: project.TOSEC (amiga only) 11 October 2020, 21:11
Replies: 17
Views: 900
Posted By jotd
well xcopy can clone a track even without the...

well xcopy can clone a track even without the sync. You need the sync only to decode data.

And even with the sync, if the track is a long track (code 7 in xcopy) then you cannot copy the whole...
Forum: project.TOSEC (amiga only) 11 October 2020, 18:40
Replies: 17
Views: 900
Posted By jotd
okay but the MFM format is $1800 bytes long, so...

okay but the MFM format is $1800 bytes long, so writing back to $1600 requires remapping, compressing or whatever. If the disk is fully packed that means 3 disks instead of 2.

However I remember...
Forum: project.TOSEC (amiga only) 11 October 2020, 17:44
Replies: 17
Views: 900
Posted By jotd
probably just a nibble copy of the original with...

probably just a nibble copy of the original with some protection removed or even no protection removed but cracktro added.

What do you want to be done about it?
Forum: Hardware mods 11 October 2020, 17:42
Replies: 4
Views: 222
Posted By jotd
can't you use the VGA output from the CD32 riser?

can't you use the VGA output from the CD32 riser?
Forum: Coders. General 11 October 2020, 17:41
Replies: 6
Views: 519
Posted By jotd
the ones who ported the game to iPad in the first...

the ones who ported the game to iPad in the first place
Forum: support.Hardware 11 October 2020, 16:28
Replies: 19
Views: 400
Posted By jotd
okay I get it! how could they NOT use that half...

okay I get it! how could they NOT use that half screen for map in the first place?

I'm going to check if there's not another way of hacking the game so first player has map on second half of the...
Forum: Coders. General 11 October 2020, 15:41
Replies: 6
Views: 519
Posted By jotd
it's been ported (very faithfully) from asm to C....

it's been ported (very faithfully) from asm to C. And it's NOT available publicly.
Forum: support.Hardware 11 October 2020, 15:41
Replies: 19
Views: 400
Posted By jotd
another proof that official lowlevel.library...

another proof that official lowlevel.library needs fixing so every game using it would work under CD emulation, with sound. I'm going to have a look at the differences.

You have to explain your...
Forum: Coders. General 11 October 2020, 15:36
Replies: 8
Views: 517
Posted By jotd
yeah, eternal issue with disassemblers... Note...

yeah, eternal issue with disassemblers... Note that you don't have to use python+capstone (very good solution, though) to disassemble a bootblock: just use IRA for windows

The advantage with IRA...
Forum: support.Hardware 10 October 2020, 23:32
Replies: 19
Views: 400
Posted By jotd
check the zone. Beta whdload install for CD32...

check the zone. Beta whdload install for CD32 version is there. Tell me if the buttons work better. It should.
Forum: support.Hardware 10 October 2020, 23:30
Replies: 36
Views: 1,138
Posted By jotd
A lot of flat TV screens still have SCART too....

A lot of flat TV screens still have SCART too. But it tends to disappear, so converters are the only viable option
Forum: support.Games 09 October 2020, 22:00
Replies: 35
Views: 800
Posted By jotd
You probably have to disable the blitterwait...

You probably have to disable the blitterwait option. JST doesn't have a splash screen but you can use CUSTOM5=1 to disable fast cpu fixes on a slow 68000
Forum: support.Games 09 October 2020, 20:54
Replies: 35
Views: 800
Posted By jotd
JST doesn't need that. I think it just hardware...

JST doesn't need that. I think it just hardware bangs to get NTSC. And doesn't have a PAL option.
Forum: Coders. Asm / Hardware 09 October 2020, 18:32
Replies: 5
Views: 556
Posted By jotd
Memwatch 0: break at 00C19272.W W 00000058...

Memwatch 0: break at 00C19272.W W 00000058 PC=00C1903A CPU (000)


check "PC" info :) (or the PC just before it)
and turn JIT off if it was on
Forum: project.WHDLoad 08 October 2020, 21:51
Replies: 9
Views: 389
Posted By jotd
I see what you mean. on a higher CPU, using NTSC...

I see what you mean. on a higher CPU, using NTSC may add 20% speed to games using VBLANK to sync (which is most of them).

Well, a list could be a great idea, but I never saw any.
Forum: project.WHDLoad 08 October 2020, 21:34
Replies: 9
Views: 389
Posted By jotd
ntsc/pal protection was common in Psygnosis...

ntsc/pal protection was common in Psygnosis releases. And whdload slaves for those games remove this protection.

I'm not aware of other work done in the slaves to make NTSC work when it didn't.
Forum: project.CD32 Conversion 08 October 2020, 21:13
Replies: 129
Views: 20,290
Posted By jotd
Just shortened Arkanoid 2 disk image to 403k (end...

Just shortened Arkanoid 2 disk image to 403k (end of disk is useless DOS.DOS.DOS. pattern) and could boot whdload slave it with JST, but it requires fastmem.

Without fast or even 1 meg of fast, it...
Forum: support.Hardware 07 October 2020, 21:34
Replies: 36
Views: 1,138
Posted By jotd
It's a 5V USB with a non-USB jack (it's the same...

It's a 5V USB with a non-USB jack (it's the same jack as some other converter I had, a DC jack like in vintage appliances/music keyboards/or laptops)
Forum: project.WHDLoad 07 October 2020, 19:40
Replies: 12
Views: 1,518
Posted By jotd
without WinUAE (at least in the state that it's...

without WinUAE (at least in the state that it's in now) it was really difficult to diagnose & fix those games. A lot of amiga crashes & lockups without any explanation, no save states,... tough times...
Forum: support.Hardware 07 October 2020, 18:51
Replies: 36
Views: 1,138
Posted By jotd
I second that lesta_smsc advised. In fact, the...

I second that lesta_smsc advised. In fact, the blue cardboard box is exactly the same as the one I got mine in. Same square shape, and excellent product for 20/30 euro (of course the image isn't...
Forum: project.WHDLoad 07 October 2020, 18:47
Replies: 12
Views: 1,518
Posted By jotd
aha thanks, yes it was great, even if whdload...

aha thanks, yes it was great, even if whdload conception is 1000% better. I may have the registered people list (50FF all right) but I don't remember everyone :). My old JST page is now dead. I don't...
Forum: support.Hardware 07 October 2020, 15:19
Replies: 36
Views: 1,138
Posted By jotd
that one is good:...

that one is good:...
Forum: project.WHDLoad 07 October 2020, 11:04
Replies: 12
Views: 1,518
Posted By jotd
I could dig a few JST sources. It's a mess but it...

I could dig a few JST sources. It's a mess but it also contains Keith (Abaddon) early JST work.

And at least Lotus versions are all supported in the JST install (including CD32 images :))

I...
Forum: support.Hardware 06 October 2020, 21:42
Replies: 19
Views: 400
Posted By jotd
Brian the lion is planned already with second...

Brian the lion is planned already with second button for jump
Death Mask: okay, I'll add it to my (long) list.
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