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Search took 0.09 seconds. Search: Posts Made By: robinsonb5
Forum: Amiga scene 19 April 2021, 16:47
Replies: 20
Views: 682
Posted By robinsonb5
The Vampire's FPGA doesn't have the integrated...

The Vampire's FPGA doesn't have the integrated ARM CPU, though.



Only if you can persuade someone sufficiently talented to work on it full time for months or years. (I would love to be proved...
Forum: Nostalgia & memories 19 April 2021, 15:51
Replies: 26
Views: 830
Posted By robinsonb5
Archipelagos - https://hol.abime.net/3299 (Ok,...

Archipelagos - https://hol.abime.net/3299 (Ok, disallowed because it has some sprites, too.)

Simulcra - https://hol.abime.net/1944

Interphase - https://hol.abime.net/2658

(You've...
Forum: Amiga scene 18 April 2021, 23:31
Replies: 20
Views: 682
Posted By robinsonb5
Ah cool! Thanks for publishing your version of...

Ah cool! Thanks for publishing your version of that firmware - it works a treat, and we recently adjusted the MiST firmware with a minor hack so it works on MiST too (MiST only supports USB Boot...
Forum: Amiga scene 18 April 2021, 17:22
Replies: 20
Views: 682
Posted By robinsonb5
This - https://github.com/ByteMavericks/MiMimiKB...

This - https://github.com/ByteMavericks/MiMimiKB - coupled with a cheap Arduino Leonardo / ProMicro clone is enough to interface an A500 keyboard to USB. (The power and drive LEDs can't be driven...
Forum: Retrogaming General Discussion 17 April 2021, 09:43
Replies: 53
Views: 2,490
Posted By robinsonb5
A 50MHz '030 with fast RAM is the sweet spot for...

A 50MHz '030 with fast RAM is the sweet spot for me - it *is* fast enough for DoomAttack to be enjoyable, but still runs cool enough that you don't need to introduce the noise of a CPU fan.
Forum: support.Hardware 12 April 2021, 22:51
Replies: 102
Views: 2,266
Posted By robinsonb5
It just allocates enough system memory to hold...

It just allocates enough system memory to hold whatever you put in there, so its capacity depends on how much memory you have installed in the machine. It'll hold a lot more now you have a trapdoor...
Forum: support.Hardware 08 April 2021, 23:49
Replies: 102
Views: 2,266
Posted By robinsonb5
Formatting the disk does two things - it "marks...

Formatting the disk does two things - it "marks out" a pattern of tracks and sectors on the disk's surface - and it creates an empty filesystem on top of the framework created in the first step.
...
Forum: support.Hardware 08 April 2021, 23:17
Replies: 102
Views: 2,266
Posted By robinsonb5
Don't worry about how much free space is on the...

Don't worry about how much free space is on the disk, because you're going to replace the filesystem entirely, by writing a new one, already filled with files, block-by-block over the entire floppy...
Forum: Retrogaming General Discussion 08 April 2021, 21:04
Replies: 194
Views: 9,565
Posted By robinsonb5
+ 1 for Elwood! Also favourites of mine:...

+ 1 for Elwood!


Also favourites of mine: Norfair, and very definitely Necros (as per two of Keops' examples) - my all time favourite of his being Riverboat.
Forum: support.Hardware 08 April 2021, 20:37
Replies: 102
Views: 2,266
Posted By robinsonb5
That's right. The bootblock is separate from the...

That's right. The bootblock is separate from the filesystem, so won't be affected by what you copy to and from the disk at the filesystem level. When you format a disk the bootblock contains...
Forum: support.Hardware 08 April 2021, 20:21
Replies: 102
Views: 2,266
Posted By robinsonb5
A file-by-file copy is fine, but if you freshly...

A file-by-file copy is fine, but if you freshly format a disk, it's not bootable until you give it a bootblock.
You do that with the "install" command
> install df0:
(If you only have one drive,...
Forum: Amiga scene 06 April 2021, 22:31
Replies: 31
Views: 4,617
Posted By robinsonb5
No, I'm afraid not - the ESP module requires...

No, I'm afraid not - the ESP module requires *way* more than 20ma at peak load - I think it's more like 200ma. I seem to remember many of the problems people had with unreliable connections were due...
Forum: support.Hardware 05 April 2021, 15:20
Replies: 102
Views: 2,266
Posted By robinsonb5
Did you try echo >SER: chris i.e....

Did you try


echo >SER: chris


i.e. with the redirection before the text?


If that doesn't work, try
Forum: Retrogaming General Discussion 03 April 2021, 19:53
Replies: 194
Views: 9,565
Posted By robinsonb5
Ah, that explains it - thanks. (The inline...

Ah, that explains it - thanks.
(The inline player removes timestamps, unfortunately - so the video plays from the beginning.)






Yeah it's very dispiriting. I once recorded myself playing...
Forum: Retrogaming General Discussion 03 April 2021, 13:31
Replies: 194
Views: 9,565
Posted By robinsonb5
It's very good - suspiciously so! It also starts...

It's very good - suspiciously so! It also starts playing before the "loading" and "decrunching" text has displayed, so something's screwy there. I think the actual music has been replaced for some...
Forum: Retrogaming General Discussion 02 April 2021, 15:30
Replies: 194
Views: 9,565
Posted By robinsonb5
If you can drive it fast enough you can fake it...

If you can drive it fast enough you can fake it with pulse width modulation or even sigma-delta modulation. If you can drive it fast enough you can indeed achieve very high quality that way - but...
Forum: Retrogaming General Discussion 01 April 2021, 23:24
Replies: 194
Views: 9,565
Posted By robinsonb5
This. 100%. I said before that the...

This. 100%.


I said before that the version of a tune which has the "magic" tends to be the platform on which it was originally made - Tim Follin's music for Ghouls and Ghosts is an exception. ...
Forum: support.Hardware 01 April 2021, 15:56
Replies: 8
Views: 398
Posted By robinsonb5
One of these, maybe? ...

One of these, maybe? https://bboah.com/index.php?action=artikel&cat=63&id=2653&artlang=en

Either way, it's hard to imagine a scenario where it could harm your Amiga. If you want to be...
Forum: support.Hardware 01 April 2021, 14:46
Replies: 8
Views: 398
Posted By robinsonb5
Maybe post a photo - someone might recognise it?

Maybe post a photo - someone might recognise it?
Forum: Retrogaming General Discussion 30 March 2021, 21:18
Replies: 3
Views: 303
Posted By robinsonb5
I believe the Amiga core already supports it -...

I believe the Amiga core already supports it - https://github.com/MiSTer-devel/Minimig-AGA_MiSTer/commit/a5f933140005d20fb1adebbbce9a47b62ed6f92a

Edit: Higgy beat me to it! Also, apparently I...
Forum: Amiga scene 29 March 2021, 18:14
Replies: 39
Views: 1,723
Posted By robinsonb5
<me imagines Hewlett Packard casting envious...

<me imagines Hewlett Packard casting envious glances...>


(I haven't been asked for printed continuous stationery since 2014, but there are still a number of companies that can produce it...
Forum: Retrogaming General Discussion 29 March 2021, 12:44
Replies: 194
Views: 9,565
Posted By robinsonb5
That's partly because - as was established in...

That's partly because - as was established in another thread - the 14-bit trick doesn't give a clean 14-bit output.


As the number of bits increases there's an element of diminishing-returns, and...
Forum: News 28 March 2021, 17:05
Replies: 186
Views: 32,836
Posted By robinsonb5
Nothing to report yet, I'm afraid. I don't have...

Nothing to report yet, I'm afraid. I don't have the software installed yet.

I need to figure out whether or not I can persuade it to run on any of my existing Linux installs, or whether I'm going...
Forum: support.Hardware 26 March 2021, 15:04
Replies: 31
Views: 4,326
Posted By robinsonb5
(For the avoidance of confusion, I believe this...

(For the avoidance of confusion, I believe this is the same firmware as was previously posted back in 2014 - I asked Mathesar if he still had it, and he's kindly posted it here since the minimig.net...
Forum: Retrogaming General Discussion 26 March 2021, 09:41
Replies: 194
Views: 9,565
Posted By robinsonb5
I think part of it is which machine first...

I think part of it is which machine first captured your attention with skilfully created chip tunes. There are brilliant examples and awful examples of music on every sound chip ever created, but if...
Forum: MarketPlace 25 March 2021, 21:22
Replies: 13
Views: 934
Posted By robinsonb5
It does, yes - there's a jumper near the VGA...

It does, yes - there's a jumper near the VGA socket which enables or disables the internal scandoubler.
With the jumper in the 15KHz position you can connect it to a Scart TV if you so wish -...
Forum: Retrogaming General Discussion 25 March 2021, 21:11
Replies: 194
Views: 9,565
Posted By robinsonb5
Yes indeed - I'm sure they never anticipated...

Yes indeed - I'm sure they never anticipated people caring about differences in their sound!






Interesting - I didn't know the filtering was external - thanks for that. But you can't just...
Forum: Retrogaming General Discussion 25 March 2021, 20:12
Replies: 194
Views: 9,565
Posted By robinsonb5
But to be fair that's their fault for using the...

But to be fair that's their fault for using the same name for two different things. (In their defense I doubt they ever thought lowly computer sound chips would ever be the subject of such...
Forum: News 25 March 2021, 16:46
Replies: 21
Views: 1,769
Posted By robinsonb5
That's amazing - really cool!

That's amazing - really cool!
Forum: Retrogaming General Discussion 25 March 2021, 15:24
Replies: 194
Views: 9,565
Posted By robinsonb5
Not necessarily - the 6581 and 8580 sound...

Not necessarily - the 6581 and 8580 sound markedly different, despite both going by the name SID!
Forum: Amiga scene 24 March 2021, 23:27
Replies: 39
Views: 1,723
Posted By robinsonb5
How could you *not* want to experience this? ...

How could you *not* want to experience this?
https://www.youtube.com/watch?v=u8I6qt_Z0Cg





The words "Fargo Primera" are rattling around in a dusty corner of my memory - is that the one...
Forum: Amiga scene 24 March 2021, 00:10
Replies: 39
Views: 1,723
Posted By robinsonb5
Indeed - that use case is the reason you can...

Indeed - that use case is the reason you can still buy dot matrix printers brand new.
I found myself wondering what they cost these days, and how many types are available - I'm astonished on both...
Forum: support.Other 21 March 2021, 19:56
Replies: 5
Views: 778
Posted By robinsonb5
The click is necessary for detecting...

The click is necessary for detecting disk-insertions - the relevant signal is only updated when the head steps.

No-click applications work by asking the drive to step beyond the valid range of...
Forum: Amiga scene 20 March 2021, 19:20
Replies: 480
Views: 31,338
Posted By robinsonb5
Maybe - but I suspect mass-producing keyboards...

Maybe - but I suspect mass-producing keyboards more cheaply was the driving force that led ultimately to the $3 rubber-dome-and-membrane $3 keyboards that have come with off-the-shelf computers for...
Forum: Amiga scene 20 March 2021, 14:06
Replies: 480
Views: 31,338
Posted By robinsonb5
https://deskthority.net/wiki/Commodore_Amiga_1000...

https://deskthority.net/wiki/Commodore_Amiga_1000


If that's anything to go by, it was very good - but once again lacked the brand recognition factor.
Forum: Amiga scene 19 March 2021, 23:11
Replies: 480
Views: 31,338
Posted By robinsonb5
Another example of recognition from a tangential...

Another example of recognition from a tangential market being a significant driver of adoption.

(To be fair, though, those keyboards were excellent, and still sought after today.)
Forum: Coders. Asm / Hardware 19 March 2021, 17:23
Replies: 73
Views: 3,611
Posted By robinsonb5
Sorry, yes, that's what I intended - essentially...

Sorry, yes, that's what I intended - essentially rts without popping the value.
Forum: Coders. Asm / Hardware 19 March 2021, 17:04
Replies: 73
Views: 3,611
Posted By robinsonb5
OK, how about: lea bigloop,a0 ...

OK, how about:


lea bigloop,a0
move.l a0,-(a7)
move.l a7,retptr
bigloop
move.w (a6)+,d7
jmp ([a4,d7.l*4])
Forum: Coders. Asm / Hardware 19 March 2021, 15:04
Replies: 73
Views: 3,611
Posted By robinsonb5
Is there a spare entry in your jumptable? Or can...

Is there a spare entry in your jumptable? Or can you add a -1th entry?


If so, point that spare entry to bigloop, and jump to it at the end of every function. You could then override it in your...
Forum: Coders. Asm / Hardware 19 March 2021, 13:05
Replies: 16
Views: 885
Posted By robinsonb5
Just in case you're not already aware of this...

Just in case you're not already aware of this document, it might be useful:
http://bax.comlab.uni-rostock.de/dl/Paula_SystemTheoretic.pdf
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