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Search took 0.02 seconds. Search: Posts Made By: DJ Mike
Forum: Coders. Asm / Hardware 19 April 2024, 12:59
Replies: 15
Views: 462
Posted By DJ Mike
Are you banging the hardware directly or using OS...

Are you banging the hardware directly or using OS calls?

Copperlist has to reside in chip memory, so at some point the CPU has to move it there, whether that's your program building (poking) it...
Forum: Amiga scene 10 March 2023, 17:56
Replies: 128
Views: 14,913
Posted By DJ Mike
My A1200 is the one I still use to this day. But...

My A1200 is the one I still use to this day. But then my machine before that was an A600, so not exactly big competition. At the time I got it, my A1200 just had so much more potential than I could...
Forum: Nostalgia & memories 08 February 2023, 23:06
Replies: 3
Views: 580
Posted By DJ Mike
What sort of programs are you thinking? The thing...

What sort of programs are you thinking? The thing is, even though WHDLoad can fully support emulating Kick13 etc. and therefore could potentially run apps, it is still suspending your real operating...
Forum: Games images which need to be WHDified 07 February 2023, 09:42
Replies: 8
Views: 1,750
Posted By DJ Mike
v1.01 now released on the website.

v1.01 now released on the website.
Forum: Games images which need to be WHDified 06 February 2023, 12:49
Replies: 8
Views: 1,750
Posted By DJ Mike
That's exciting since it's happening straight...

That's exciting since it's happening straight inside the slave! Will have a look later..
Forum: Games images which need to be WHDified 05 February 2023, 21:59
Replies: 8
Views: 1,750
Posted By DJ Mike
Patch is done. I've uploaded to the Zone for you....

Patch is done. I've uploaded to the Zone for you. Let me know if there are any issues.

I found two cheats while patching this! One is straight out of Manic Miner. :)
Forum: Games images which need to be WHDified 31 January 2023, 10:18
Replies: 8
Views: 1,750
Posted By DJ Mike
I'd be happy to take a look at this. :)

I'd be happy to take a look at this. :)
Forum: request.Modules 12 January 2023, 00:42
Replies: 9
Views: 4,252
Posted By DJ Mike
Was about to suggest Anette too. That one takes...

Was about to suggest Anette too. That one takes me back!
Forum: request.Old Rare Games 11 January 2023, 15:45
Replies: 0
Views: 507
Posted By DJ Mike
Silver Star

Does anyone have an original disk of Silver Star (https://hol.abime.net/4669) they'd be happy to share with me? I started looking at making a WHDL install from a warp I have from years ago, but...
Forum: Retrogaming General Discussion 07 January 2023, 23:23
Replies: 63
Views: 4,797
Posted By DJ Mike
8. Because they were (mostly) the pinnacle of...

8. Because they were (mostly) the pinnacle of what we had at the time.

A lot of games have mechanics that have dated really badly - particularly things like awful, unforgiving collision that gets...
Forum: project.WHDLoad 29 November 2022, 21:37
Replies: 14
Views: 1,433
Posted By DJ Mike
Ace - thanks for checking. I'll get that over to...

Ace - thanks for checking. I'll get that over to Bert to put on the website. :)
Forum: project.WHDLoad 29 November 2022, 13:59
Replies: 14
Views: 1,433
Posted By DJ Mike
@BarryB would you please try the attached...

@BarryB would you please try the attached installer here and see if it works OK for you? http://mantis.whdload.de/view.php?id=5906
Forum: project.WHDLoad 29 November 2022, 12:56
Replies: 14
Views: 1,433
Posted By DJ Mike
tbf it wasn't helped by the fact that the...

tbf it wasn't helped by the fact that the original I was sent back in the day had bad tracks on it, so it was hard to tell. ;)
Forum: project.WHDLoad 29 November 2022, 12:17
Replies: 14
Views: 1,433
Posted By DJ Mike
I can take a look at that. Seems like the...

I can take a look at that. Seems like the versions of this are wildly inconsistent about which tracks are formatted!
Forum: Coders. Asm / Hardware 01 August 2021, 18:03
Replies: 18
Views: 1,737
Posted By DJ Mike
It's OK, stand down. I need to eat humble pie for...

It's OK, stand down. I need to eat humble pie for focussing too much on the problem without being more discerning of settings!

I realised now that I didn't have Cycle Exact Full/DMA turned on,...
Forum: Coders. Asm / Hardware 01 August 2021, 17:18
Replies: 18
Views: 1,737
Posted By DJ Mike
Coincidentally, I'd had this exact same thought -...

Coincidentally, I'd had this exact same thought - and yes! Changing copperlist to wait until vpos 0 instead of vpos 255 fixes this slowdown. In fact, any vpos of $1e or less will fix this, but as...
Forum: Coders. Asm / Hardware 01 August 2021, 13:31
Replies: 18
Views: 1,737
Posted By DJ Mike
Thanks anyway though. The discussion is useful...

Thanks anyway though. The discussion is useful just to make sure I'm not missing obvious things I should look for when diagnosing this sort of problem. :)
Forum: Coders. Asm / Hardware 01 August 2021, 13:19
Replies: 18
Views: 1,737
Posted By DJ Mike
Not A5 - confirmed set to $dff000 every call.

Not A5 - confirmed set to $dff000 every call.
Forum: Coders. Asm / Hardware 01 August 2021, 13:13
Replies: 18
Views: 1,737
Posted By DJ Mike
Just saw this after my reply. Yes, that's an...

Just saw this after my reply. Yes, that's an interesting point I hadn't considered actually. If loading routine is modifying A5 then this routine won't be checking correct address. Will force that to...
Forum: Coders. Asm / Hardware 01 August 2021, 13:09
Replies: 18
Views: 1,737
Posted By DJ Mike
INTENA is set to $4018, so no other level 3 bits...

INTENA is set to $4018, so no other level 3 bits besides COPPER.
I looked for any other reads to $DFF01E/INTREQR and found none.
Heck, I put a watch on the entire DMA address space from $dff000 to...
Forum: Coders. Asm / Hardware 01 August 2021, 13:01
Replies: 18
Views: 1,737
Posted By DJ Mike
From WinUAE debugger - this is the original $6c...

From WinUAE debugger - this is the original $6c interrupt code:

000029C8 48e7 e0e0 MOVEM.L D0-D2/A0-A2,-(A7)
000029CC 302d 001e MOVE.W (A5,$001e) == $00dff01e,D0...
Forum: Coders. Asm / Hardware 01 August 2021, 12:51
Replies: 18
Views: 1,737
Posted By DJ Mike
Some extra tests I ran via WinUAE debugger and...

Some extra tests I ran via WinUAE debugger and observing visual heatmap :

- Skipping everything inside the IRQ code except INTREQ clear. No change - loading still slow. Game hangs when it reaches...
Forum: Coders. Asm / Hardware 01 August 2021, 11:33
Replies: 18
Views: 1,737
Posted By DJ Mike
Checked for reads to VP/VHPOSR - apart from my...

Checked for reads to VP/VHPOSR - apart from my empty DBF loop replacements (which I disabled to rule those out!), game doesn't appear to be reading these. I've also checked for any extra INTREQ reads...
Forum: Coders. Asm / Hardware 01 August 2021, 11:21
Replies: 18
Views: 1,737
Posted By DJ Mike
PAL picture mode, and 256 lines high by the looks...

PAL picture mode, and 256 lines high by the looks of things.

Checking for line waits in the main code is a good call - I will investigate this.
Forum: Coders. Asm / Hardware 01 August 2021, 10:34
Replies: 18
Views: 1,737
Posted By DJ Mike
COPPER interrupt causing slowdown - VERTB fine?

I've been investigating very slow load times in a game I'm patching in WHDLoad, and I've hit upon a strange situation I'm stumped by.

During loading, the game is mostly doing a lot of data...
Forum: Amiga scene 29 July 2021, 10:40
Replies: 15
Views: 3,724
Posted By DJ Mike
So it arrived with him and then went missing?

So it arrived with him and then went missing?
Forum: support.Apps 10 July 2021, 17:49
Replies: 12
Views: 2,173
Posted By DJ Mike
I've always been fascinated by disk protections...

I've always been fascinated by disk protections and longtracks and whatnot. As I understand it, the Amiga's built in floppy drive couldn't write longtracks as the controller won't physically pulse at...
Forum: Retrogaming General Discussion 10 July 2021, 14:17
Replies: 166
Views: 18,501
Posted By DJ Mike
I think the technology is evolving much as it...

I think the technology is evolving much as it ever did. However, in the 80s and 90s our imagination went way beyond what the technology could do - i.e. we were squeezing every last cycle out of the...
Forum: project.WHDLoad 10 July 2021, 13:26
Replies: 118
Views: 55,089
Posted By DJ Mike
I wasn't suggesting otherwise. :) But I do at...

I wasn't suggesting otherwise. :) But I do at least try to address issues if I can when I make patches, which I know you and other devs do as well.

However, 68040 seems to cause a particularly...
Forum: project.WHDLoad 09 July 2021, 17:53
Replies: 118
Views: 55,089
Posted By DJ Mike
Pardon my typo (early morning post) - I do mean...

Pardon my typo (early morning post) - I do mean dmaconr. :) I have edited original post.
Forum: Retrogaming General Discussion 09 July 2021, 16:43
Replies: 11
Views: 1,131
Posted By DJ Mike
I suspect this is related to the Chrome change...

I suspect this is related to the Chrome change that blocks insecure content being accessed from secure pages? (e.g. HTTP links will no longer work from a site running on HTTPS).

I've found Exotica...
Forum: project.WHDLoad 09 July 2021, 08:42
Replies: 118
Views: 55,089
Posted By DJ Mike
I'm interested in the problems with Wiz 'n' Liz....

I'm interested in the problems with Wiz 'n' Liz. I'm currently updating a few things about this patch. Unfortunately I don't have an 040 to see the problems with this. I did originally fix the blits...
Forum: support.Games 27 October 2014, 10:34
Replies: 9
Views: 2,021
Posted By DJ Mike
Ahh the Epic bundle... my first Amiga! Epic,...

Ahh the Epic bundle... my first Amiga!

Epic, Rome and Trivial Pursuit were HD installable - and had to be installed IIRC. They were specially produced for that bundle in a way which meant they...
Forum: support.WinUAE 31 December 2013, 11:11
Replies: 17
Views: 4,150
Posted By DJ Mike
That's curious - I tried CD32 version in WinUAE...

That's curious - I tried CD32 version in WinUAE with WHDLoad install and still got the buzzing sound.

Should point out that it's more intermittent than I thought though. Occasionally the sound...
Forum: support.WinUAE 30 December 2013, 23:07
Replies: 17
Views: 4,150
Posted By DJ Mike
Bamiga2002: That's interesting to know. I think...

Bamiga2002: That's interesting to know. I think the last time I played this on a real Amiga was my vanilla 1200... wonder if it would have the same issue with the Blizzard 030 I have now... Quite...
Forum: support.WinUAE 29 December 2013, 20:36
Replies: 17
Views: 4,150
Posted By DJ Mike
Sound issues in Roadkill A1200 in 2.7.0

Trying to run the disk version of Roadkill (IPF-sourced) in WinUAE and I'm getting some weird issues with the sound. The title music is fine but when you race around the track most of the sound...
Forum: Amiga scene 25 December 2013, 22:49
Replies: 335
Views: 53,365
Posted By DJ Mike
I'm delighted that this game finally made it out,...

I'm delighted that this game finally made it out, but must confess I'm quite astonished the finished product is only 2 disks large! I'd figured with all the hype it'd be more like 5, lol! :-)
Forum: Nostalgia & memories 06 November 2013, 10:56
Replies: 84
Views: 12,708
Posted By DJ Mike
I got Superfrog HD as part of the Humble Team 17...

I got Superfrog HD as part of the Humble Team 17 Sale that happened last week... Dreadful. Seriously, how can you screw up the playability of a platform game so badly? The screen/'camera' moves so...
Forum: News 05 November 2013, 16:35
Replies: 46
Views: 9,487
Posted By DJ Mike
I saw posts about this over the weekend and...

I saw posts about this over the weekend and immediately ordered a copy - very impressed. From an interview I read it sounds like it ended up being a very personal project for him given his Mum died...
Forum: support.Hardware 11 October 2013, 09:30
Replies: 9
Views: 1,488
Posted By DJ Mike
Thanks for the suggestions - have put in a thread...

Thanks for the suggestions - have put in a thread at AmiBay in case somebody has one to sell. :) Will check out that site although annoyingly our work's filter has blocked it for the time being...
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