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Forum: Amiga scene Yesterday, 04:08
Replies: 25
Views: 1,207
Posted By Bruce Abbott
Excuse my ignorance, but what is a 'custom HIDD...

Excuse my ignorance, but what is a 'custom HIDD file'?


Serious question: -

I thought AROS was intended to be 100% compatible with classic Amiga OS API. What makes it incompatible?
Forum: News 10 July 2020, 05:28
Replies: 5
Views: 860
Posted By Bruce Abbott
I have installed this program on my A1200 and it...

I have installed this program on my A1200 and it works, but I can't figure out how to 'zoom in' on the image. Is that what the zoom function does? I tried various combinations of clicking and...
Forum: Amiga scene 07 July 2020, 11:00
Replies: 212
Views: 58,371
Posted By Bruce Abbott
What I remember about the Mac was that if you...

What I remember about the Mac was that if you didn't have the exact OS for your model it wouldn't work, because it was full of patches specific to that particular machine.

Windows 3.1 was so...
Forum: Amiga scene 06 July 2020, 08:41
Replies: 694
Views: 74,254
Posted By Bruce Abbott
Neither - and both. For me the Amiga is a hobby,...

Neither - and both. For me the Amiga is a hobby, but not just a retro hobby. By that I mean I don't just want to preserve or recreate the past, I want to do new and different things with it too. But...
Forum: Amiga scene 01 July 2020, 11:24
Replies: 20
Views: 1,442
Posted By Bruce Abbott
'Akiko' C2P could be faster if it was on the...

'Akiko' C2P could be faster if it was on the 68030 bus running at the same speed.

Or enlarge it from 32 bytes to the size of an entire screen. Then the CPU can render directly to it and just has...
Forum: Amiga scene 28 June 2020, 07:39
Replies: 1,220
Views: 87,629
Posted By Bruce Abbott
Which didn't exist when the A1200 was introduced....

Which didn't exist when the A1200 was introduced.

Funny thing is, Doom plays fine on my A1200 with 1990's accelerator card. But it wasn't available for Amigas because the designer didn't believe...
Forum: support.Hardware 25 June 2020, 10:38
Replies: 8
Views: 286
Posted By Bruce Abbott
What do you mean by 'no work'? RGB lines...

What do you mean by 'no work'?

RGB lines should have a voltage on them between 0-0.7V depending on brightness.

RGB to VGA cables usually have separate horizontal and vertical sync. GBS8200...
Forum: Amiga scene 25 June 2020, 10:12
Replies: 435
Views: 61,950
Posted By Bruce Abbott
PCs always had imprecise mouse movement,...

PCs always had imprecise mouse movement, originally due to the poor hardware interface (low speed serial port) and lack of proper multitasking. The workaround for that was to 'accelerate' larger...
Forum: Retrogaming General Discussion 13 June 2020, 02:01
Replies: 98
Views: 5,327
Posted By Bruce Abbott
I bought a PlayStation to play one game - Tomb...

I bought a PlayStation to play one game - Tomb Raider (https://en.wikipedia.org/wiki/Tomb_Raider). I have the entire collection of the original Core Design series, and still play them occasionally on...
Forum: Amiga scene 09 June 2020, 21:56
Replies: 694
Views: 74,254
Posted By Bruce Abbott
That's not what I was talking about. Next...

That's not what I was talking about. Next generation Amigas from Commodore would have had the same issues that 3rd party ones did - developers dropping compatibility with older machines even when...
Forum: Amiga scene 09 June 2020, 11:00
Replies: 694
Views: 74,254
Posted By Bruce Abbott
To those of us still enjoying our classic Amigas...

To those of us still enjoying our classic Amigas from the 90's, it is fortunate that Commodore folded when they did, before they had a chance to introduce a new OS and hardware that broke...
Forum: Coders. Asm / Hardware 04 June 2020, 22:49
Replies: 19
Views: 1,551
Posted By Bruce Abbott
The data is digital (so no ADC issues), but it is...

The data is digital (so no ADC issues), but it is in MFM (https://en.wikipedia.org/wiki/Modified_frequency_modulation) format and you may have to store an entire track before decoding it. Most...
Forum: Nostalgia & memories 04 June 2020, 22:24
Replies: 176
Views: 17,237
Posted By Bruce Abbott
I first had a play with an A1000 in 1985, and I...

I first had a play with an A1000 in 1985, and I knew then that I had to have one. The architecture was so much more advanced than any other home computer, the graphics and sound blew me away (I still...
Forum: Amiga scene 04 June 2020, 21:56
Replies: 22
Views: 1,682
Posted By Bruce Abbott
Maybe they would have done a bit better, but not...

Maybe they would have done a bit better, but not much. By that time it was clear that nothing could compete against the PC Juggernaut.

Any new Amiga design would just be less compatible with...
Forum: Amiga scene 04 June 2020, 21:17
Replies: 694
Views: 74,254
Posted By Bruce Abbott
KiCad is crap. If we are going to have a modern...

KiCad is crap. If we are going to have a modern PCB design program on the Amiga it should have an intuitive interface. Otherwise, why bother? Just put it on a PC running Linux. Some FPGA software...
Forum: Amiga scene 02 June 2020, 15:03
Replies: 267
Views: 12,328
Posted By Bruce Abbott
Distributed on CD ROM, but none of my Amigas have...

Distributed on CD ROM, but none of my Amigas have a CD ROM drive and it wouldn't be easy to add one. Must be run from the CD or installed to a hard drive (you can make an 'emergency boot disk', but...
Forum: Amiga scene 02 June 2020, 07:45
Replies: 267
Views: 12,328
Posted By Bruce Abbott
On the contrary, not only is the bickering...

On the contrary, not only is the bickering keeping it alive, it adds to the retro experience!

30 years ago everybody complained about the price of Amiga software, and swore they would buy rather...
Forum: Nostalgia & memories 30 May 2020, 09:34
Replies: 44
Views: 3,503
Posted By Bruce Abbott
Black is even more boring. White is best! One...

Black is even more boring. White is best! One reason I never got an A500 was the color, but the A600 and A1200 had real class! Unfortunately my A600 got yellowed over the years, so I threw it away -...
Forum: Amiga scene 26 May 2020, 10:10
Replies: 694
Views: 74,254
Posted By Bruce Abbott
OK, then I am asking the team to not waste their...

OK, then I am asking the team to not waste their time trying to integrate a TCP/IP stack that users might not want and is no better (or worse) than those that are already available.

Please try to...
Forum: Amiga scene 24 May 2020, 07:00
Replies: 694
Views: 74,254
Posted By Bruce Abbott
I don't think a TCP/IP stack should be included,...

I don't think a TCP/IP stack should be included, since one can easily be added if required. And definitely not if it's just a rehashed AmiTCP.

A GUI for diskdoctor also seems pointless (but hey,...
Forum: Amiga scene 23 May 2020, 01:22
Replies: 694
Views: 74,254
Posted By Bruce Abbott
A bold claim. Hope there are no shell bugs....

A bold claim. Hope there are no shell bugs. :nervous
Forum: Amiga scene 16 May 2020, 22:44
Replies: 694
Views: 74,254
Posted By Bruce Abbott
68020 is in no way a 'modern' CPU, and Amiga OS...

68020 is in no way a 'modern' CPU, and Amiga OS has always been 32 bit.

No they didn't. OS3.5 was a boondoggle - the Amiga equivalent of Windows ME. Which is why to forward we had to go 'back' to...
Forum: Amiga scene 11 May 2020, 14:05
Replies: 694
Views: 74,254
Posted By Bruce Abbott
A nightmare yes, but also why do it? It's more...

A nightmare yes, but also why do it? It's more important to optimize for the stock 7MHz 68000, less important on a faster CPU. And most compiler optimizations don't make that much difference anyway.
Forum: Amiga scene 10 May 2020, 00:08
Replies: 188
Views: 13,026
Posted By Bruce Abbott
Anything but the very latest PC web browser is...

Anything but the very latest PC web browser is bound to be a bit daft.

Today I switched to using Linux for web browsing because though the latest version of Firefox my XP machine can run is less...
Forum: Coders. Asm / Hardware 05 May 2020, 01:46
Replies: 19
Views: 1,551
Posted By Bruce Abbott
The CIAs are just used as simple GPIO. Once set...

The CIAs are just used as simple GPIO. Once set up, each pin is either an input or output which can be accessed with memory read/write and 'bit' instructions.

I took advantage of this in my floppy...
Forum: Amiga scene 05 May 2020, 01:19
Replies: 48
Views: 3,367
Posted By Bruce Abbott
Not just porting from other systems, but also to...

Not just porting from other systems, but also to them. Designing the game in 256 lines could mean having to redo all the graphics when porting to other systems, whereas if it was designed in 200...
Forum: Amiga scene 02 May 2020, 20:33
Replies: 188
Views: 13,026
Posted By Bruce Abbott
Old Amiga 68k apps were designed to run on old...

Old Amiga 68k apps were designed to run on old 68k Amigas, so they hardly need to run faster. Doesn't seem like a good reason to assert that "68k is dead, NG is the future!".
Forum: Amiga scene 30 April 2020, 04:08
Replies: 188
Views: 13,026
Posted By Bruce Abbott
Every person who insisted that 68k Amigas were...

Every person who insisted that 68k Amigas were 'end of road', under-powered and not worth their time. It's a common attitude on some other Amiga boards.

Nothing against that - I use my PC for some...
Forum: Amiga scene 28 April 2020, 22:41
Replies: 188
Views: 13,026
Posted By Bruce Abbott
People who were teenagers in the Amiga's heyday...

People who were teenagers in the Amiga's heyday are now middle-aged and getting the nostalgia bug, rediscovering those great games and reliving their youth. The prices of old Amigas have shot up due...
Forum: Amiga scene 28 April 2020, 06:11
Replies: 45
Views: 2,535
Posted By Bruce Abbott
Yes it is. That's just silly. You want a...

Yes it is.

That's just silly. You want a faster Amiga to run native software that needs it and just for general enjoyment anyway, and emulation is another good justification for having it. Why...
Forum: Amiga scene 28 April 2020, 05:41
Replies: 188
Views: 13,026
Posted By Bruce Abbott
I agree. There are hundreds of games for classic...

I agree. There are hundreds of games for classic Amiga that I never had 'back in the day' which are now free downloads. On OS4? Nothing. PPC development is boring too. I'm still learning how to...
Forum: Amiga scene 26 April 2020, 12:41
Replies: 34
Views: 2,617
Posted By Bruce Abbott
I've been waiting 26 years just to see what can...

I've been waiting 26 years just to see what can be done with a stock A1200, or even a 1MB A500. And I am still learning how to program for WB3.0.

I have the Vampire A600 and it's awesome, but I...
Forum: Coders. Asm / Hardware 21 April 2020, 02:54
Replies: 11
Views: 917
Posted By Bruce Abbott
Can you show us the offending code?

Can you show us the offending code?
Forum: Amiga scene 10 April 2020, 04:40
Replies: 694
Views: 74,254
Posted By Bruce Abbott
I'm confused. Are you saying every other OS...

I'm confused. Are you saying every other OS always shows the default icon instead of the one supplied in/with the file?

My PC's desktop currently has 98 unique icons on it, all individually...
Forum: Amiga scene 06 April 2020, 04:10
Replies: 1,220
Views: 87,629
Posted By Bruce Abbott
I think the real problem was the cost of more...

I think the real problem was the cost of more powerful CPUs (and associated harware) during that period. But this 'problem' turned out to be an asset for Amiga owners, because it meant they didn't...
Forum: Coders. Asm / Hardware 25 March 2020, 09:46
Replies: 26
Views: 1,875
Posted By Bruce Abbott
No, you suggested that the ROM code was not high...

No, you suggested that the ROM code was not high quality, which implies you think that you can do better.

I don't need to find anything, we know your code's not good because it doesn't work.
...
Forum: Amiga scene 25 March 2020, 09:25
Replies: 17
Views: 1,437
Posted By Bruce Abbott
The MFM hard drive on my A1000 got about 100kB/s...

The MFM hard drive on my A1000 got about 100kB/s write speed. At the time I thought it was pretty good (1:1 interleave, most PCs needed 3:1 or 5:1). Compared to that, over 1MB/s on my A1200 is...
Forum: Amiga scene 23 March 2020, 00:57
Replies: 45
Views: 2,535
Posted By Bruce Abbott
No, not if 'accurate' means at full speed. ...

No, not if 'accurate' means at full speed.

But who cares? This type of thing is what accelerator cards were made for. A 20MHz 68000 (eg. Wicher 500i) should be able to do it, and any 020 or 030...
Forum: Coders. Asm / Hardware 20 March 2020, 22:45
Replies: 26
Views: 1,875
Posted By Bruce Abbott
I doubt it has any weird tricks, and I bet the...

I doubt it has any weird tricks, and I bet the quality is better than yours. But hey, have fun figuring it out from scratch!

I do have one suggestion though - don't just try random stuff until...
Forum: Amiga scene 20 March 2020, 22:32
Replies: 1,220
Views: 87,629
Posted By Bruce Abbott
You say that like it was a bad thing. To us A1200...

You say that like it was a bad thing. To us A1200 owners the idea that new Amiga games might target the CD32 only was not a nice thought. OTOH, being able to use the A1200 to develop CD32 titles was...
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