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Forum: support.Hardware 19 February 2018, 14:26
Replies: 10
Views: 333
Posted By robinsonb5
If you're using the entire SD card as a hard...

If you're using the entire SD card as a hard drive, you'd expect to have an Amiga-style partition table and Amiga formatted partitions. The menu system won't understand those - there needs to be a...
Forum: support.Hardware 17 February 2018, 23:47
Replies: 8
Views: 260
Posted By robinsonb5
Does it happen if you just click and hold the...

Does it happen if you just click and hold the mouse on an empty part of the desktop, or if you drag a select box around some files?

I'm wondering if it's a power-supply or capacitor issue.
Forum: News 14 February 2018, 14:50
Replies: 105
Views: 9,595
Posted By robinsonb5
Some minimig variants will allow you to force the...

Some minimig variants will allow you to force the screenmode (PAL / NTSC / scandouble) on hard reset / boot by pressing F1/2/3 or 4 - no idea if the Flea variant is one of them but it's worth a go. ...
Forum: Amiga scene 13 February 2018, 18:43
Replies: 140
Views: 17,966
Posted By robinsonb5
No worries - no hurry at all. Glad to see the...

No worries - no hurry at all. Glad to see the project's popular!
Forum: support.Hardware 09 February 2018, 18:31
Replies: 9
Views: 249
Posted By robinsonb5
Yes, definitely check that. My guess would...

Yes, definitely check that.

My guess would be this is a cracked solder joint or dried out capacitor in the A520 modulator somewhere, rather than in the Amiga itself.
Forum: Retrogaming General Discussion 07 February 2018, 18:56
Replies: 114
Views: 5,115
Posted By robinsonb5
Also bear in mind that the posts Facebook chooses...

Also bear in mind that the posts Facebook chooses to show to people tend to be ones on which people have commented. That doesn't always mean that the posts are more interesting - they're just more...
Forum: Coders. Asm / Hardware 07 February 2018, 14:28
Replies: 23
Views: 947
Posted By robinsonb5
The simplest answer is probably just to skip the...

The simplest answer is probably just to skip the LoadView(NULL) under KS1.3 or earlier. It should be reasonably safe to assume that KS1.3 won't have left the chipset in a non-compatible state.
Forum: support.Apps 24 January 2018, 11:31
Replies: 17
Views: 608
Posted By robinsonb5
Ah - that's a shame. That would explain why I...

Ah - that's a shame. That would explain why I gave up trying to add support way back when. I couldn't remember what the reason was, but I knew there was one.
Forum: support.Apps 24 January 2018, 00:46
Replies: 17
Views: 608
Posted By robinsonb5
For what it's worth, I'm FreeWheel's author, and...

For what it's worth, I'm FreeWheel's author, and I'm quite happy for anyone to hack on this and release their own version. I'm also quite happy for anyone to send me patches or improvements and do...
Forum: Coders. Asm / Hardware 22 January 2018, 19:21
Replies: 81
Views: 6,806
Posted By robinsonb5
I don't think so - I think (though I'd love to...

I don't think so - I think (though I'd love to proved wrong!) it uses the same binary blob of pre-raycasted binary data that Britelite included in the previews. In the first post he describes it:
Forum: Coders. Asm / Hardware 22 January 2018, 17:56
Replies: 81
Views: 6,806
Posted By robinsonb5
As I understand it, at the moment "all" the...

As I understand it, at the moment "all" the engine is doing is scaling wall textures ("all" in quotes, because it's doing that very impressively!) - for each frame it's starting with a precalculated...
Forum: Retrogaming General Discussion 14 January 2018, 00:21
Replies: 88
Views: 4,397
Posted By robinsonb5
It uses a PSOC microcontroller which has a small...

It uses a PSOC microcontroller which has a small amount of programmable logic. The microcontroller portion talks to the Sega pad, while the programmable logic duplicates the shift register in a CD32...
Forum: Retrogaming General Discussion 13 January 2018, 21:54
Replies: 88
Views: 4,397
Posted By robinsonb5
All buttons are readable - there's no problem...

All buttons are readable - there's no problem reading one of these from any Amiga.
Forum: Retrogaming General Discussion 13 January 2018, 19:11
Replies: 88
Views: 4,397
Posted By robinsonb5
If you make a game that needs a decent gamepad,...

If you make a game that needs a decent gamepad, then leverage it as another sales option: Digital copy, physical copy and physical copy with bundled gamepad!
Forum: Retrogaming General Discussion 12 January 2018, 01:45
Replies: 88
Views: 4,397
Posted By robinsonb5
CD32 pads work fine on an A500. The CD32 was...

CD32 pads work fine on an A500.

The CD32 was effectively an A1200 with CDROM drive - the only other addition was the Chunky to Planar converter that was built into the Akiko chip.
Forum: support.WinUAE 09 January 2018, 02:00
Replies: 19
Views: 913
Posted By robinsonb5
The 68060 preloads the instruction cache with...

The 68060 preloads the instruction cache with code that might be executed, but doesn't actually execute it. Current CPUs do actually execute the code speculatively - discarding and rolling back the...
Forum: Coders. C/C++ 09 January 2018, 01:46
Replies: 3
Views: 272
Posted By robinsonb5
Are you getting incorrect results? You're...

Are you getting incorrect results?
You're asking for a pair of 32-bit values to be multiplied, and for the lower 32-bits of the result (which would be 64-bit) to be returned, and that's what the...
Forum: support.WinUAE 08 January 2018, 16:35
Replies: 19
Views: 913
Posted By robinsonb5
That was my first thought too - then I read that...

That was my first thought too - then I read that the Spectre exploit has been demonstrated using javascript.
Forum: support.Hardware 05 January 2018, 02:04
Replies: 5
Views: 191
Posted By robinsonb5
My A500+ has one of these on the front edge of...

My A500+ has one of these on the front edge of the RF shield - actually nowhere near the floppy - it's just to the right of the frontmost screwhole under the spacebar. I presume it's there just to...
Forum: Coders. Asm / Hardware 29 December 2017, 17:17
Replies: 3
Views: 387
Posted By robinsonb5
Many thanks - that was indeed my problem, and...

Many thanks - that was indeed my problem, and having changed my BPLCON2 value from 0x7f to 0x64 it works as expected.
Thanks again!
Forum: Coders. Asm / Hardware 29 December 2017, 16:09
Replies: 3
Views: 387
Posted By robinsonb5
Display problem - works on emulation, not on real hardware

I've been tinkering with a graphics demo to draw a Space Harrier style chequered floor and got a little prototype working reasonably well - or so I thought.
It works fine on linux uae 0.8.15, the...
Forum: Retrogaming General Discussion 26 December 2017, 23:34
Replies: 184
Views: 14,036
Posted By robinsonb5
Yes, it's easy to build a precalculated array of...

Yes, it's easy to build a precalculated array of angles, one for each column on the screen, then these can be rotated just by adding the current viewing angle.

Each column of pixels to be...
Forum: Coders. General 23 December 2017, 15:53
Replies: 93
Views: 8,213
Posted By robinsonb5
That is looking really good - well done!

That is looking really good - well done!
Forum: Retrogaming General Discussion 20 December 2017, 21:13
Replies: 20
Views: 821
Posted By robinsonb5
Zeewolf 2, Vaxine and ProTracker!

Zeewolf 2, Vaxine and ProTracker!
Forum: Nostalgia & memories 08 December 2017, 14:22
Replies: 147
Views: 12,360
Posted By robinsonb5
It's just a question of bandwidth. The...

It's just a question of bandwidth. The "unshackling" was done by making the Chip RAM bus 32-bits wide instead of 16-bits wide, and by doubling the transfer rate between the Chip RAM and chipset,...
Forum: Nostalgia & memories 08 December 2017, 02:40
Replies: 147
Views: 12,360
Posted By robinsonb5
Not strictly true once you consider that PC...

Not strictly true once you consider that PC graphics cards have their own video memory, which could be considered roughly equivalent to the Amiga's chip memory. (OK, in more recent years onboard...
Forum: Amiga scene 03 December 2017, 00:14
Replies: 97
Views: 6,456
Posted By robinsonb5
Impressive! Nice going!

Impressive! Nice going!
Forum: Retrogaming General Discussion 02 December 2017, 15:15
Replies: 42
Views: 1,487
Posted By robinsonb5
Yes, absolutely - but in most cases the cpu had...

Yes, absolutely - but in most cases the cpu had to feed the sound registers with a constant stream of data, so could do little else at the same time.

Again, the point - if I understood correctly...
Forum: Retrogaming General Discussion 01 December 2017, 02:15
Replies: 42
Views: 1,487
Posted By robinsonb5
So wasn't dlfrsilver's point that the CPC+ can do...

So wasn't dlfrsilver's point that the CPC+ can do just that - i.e. replay PCM sounds via DMA? I'm assuming the sound on that Shadow of the Beast demo was coming from a CPC+ as well as the visuals? ...
Forum: Coders. General 20 November 2017, 22:57
Replies: 40
Views: 3,873
Posted By robinsonb5
The same 256-colour bitmap image is, certainly. ...

The same 256-colour bitmap image is, certainly. A 32-colour image in chunky format, though, would either wastefully allocate 1 byte for each 5-bit pixel, thus increasing the required storage space...
Forum: Coders. General 14 November 2017, 01:02
Replies: 181
Views: 12,586
Posted By robinsonb5
Imitating Shadow of the Beast on 8-bit machines...

Imitating Shadow of the Beast on 8-bit machines seems to be the in thing at the moment. I stumbled across this yesterday:
https://www.youtube.com/watch?v=VHmkvWwNq8s
On a BBC micro? Really? ...
Forum: Hardware mods 13 November 2017, 01:06
Replies: 7
Views: 971
Posted By robinsonb5
Good plan - it'll be interesting to see how it...

Good plan - it'll be interesting to see how it works out. Good luck! :great
Forum: Hardware mods 12 November 2017, 17:38
Replies: 7
Views: 971
Posted By robinsonb5
That should do it - just make sure the MUX...

That should do it - just make sure the MUX doesn't respond beyond DC0000 or you'll clash with the custom chips </captain obvious>
Forum: Hardware mods 12 November 2017, 00:31
Replies: 7
Views: 971
Posted By robinsonb5
I think the Amiga detects slow RAM the same way...

I think the Amiga detects slow RAM the same way it detects Chip RAM - throwing data at it and seeing if it sticks.
Forum: support.Hardware 03 November 2017, 14:39
Replies: 6
Views: 269
Posted By robinsonb5
I think NewMouse 1.2 might be what you're looking...

I think NewMouse 1.2 might be what you're looking for.
http://aminet.net/package/driver/input/NewMouse12
Again, I've not tried it, so no guarantee that it will work with your particular mouse, but...
Forum: support.Hardware 03 November 2017, 00:42
Replies: 6
Views: 269
Posted By robinsonb5
Freewheel isn't a mouse driver at all - what it...

Freewheel isn't a mouse driver at all - what it does is listen for "NewMouse" style wheel events in the input stream and scrolls the nearest scrollbar.

I've never used NewMouse itself - I just had...
Forum: Retrogaming General Discussion 27 October 2017, 01:08
Replies: 30
Views: 1,199
Posted By robinsonb5
I remember getting it on a coverdisk -...

I remember getting it on a coverdisk - interesting game but I wasn't sure what was going on back then. I picked it up again about a year ago and realised that there's a lot more to it than I...
Forum: News 17 October 2017, 15:16
Replies: 105
Views: 9,595
Posted By robinsonb5
Welcome - and nice work!

Welcome - and nice work!
Forum: Amiga scene 12 October 2017, 14:38
Replies: 114
Views: 10,435
Posted By robinsonb5
That is looking superb - very polished!

That is looking superb - very polished!
Forum: OT - Technical 12 October 2017, 11:37
Replies: 8
Views: 596
Posted By robinsonb5
Ah - thanks for that everyone - makes sense! I...

Ah - thanks for that everyone - makes sense!
I never had a 1084 or similar monitor so now I'm wondering how I came to have this cable! Must have been in amongst a box of random Amiga stuff I was...
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