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Forum: Hardware mods Today, 00:19
Replies: 528
Views: 125,252
Posted By Bruce Abbott
Vampires brick themselves if 'those guys' stop...

Vampires brick themselves if 'those guys' stop doing 'whatever they want'?

How do I do that on my Amiga?
Forum: Coders. Asm / Hardware 20 June 2022, 13:30
Replies: 20
Views: 1,369
Posted By Bruce Abbott
Little things like each library needing some RAM,...

Little things like each library needing some RAM, the disk drive needing about 11k to load a track, 4k of stack per process etc.

My A1000 did have 256k RAM when I bought it. That's the same amount...
Forum: Retrogaming General Discussion 17 June 2022, 12:16
Replies: 27
Views: 1,957
Posted By Bruce Abbott
In one of the shots posted by rothers you can see...

In one of the shots posted by rothers you can see an actual Amiga monitor display with two 'fake' windows laid over it. The Workbench version 1.0 title and 429568 bytes free memory suggest this may...
Forum: Retrogaming General Discussion 10 June 2022, 13:07
Replies: 97
Views: 6,583
Posted By Bruce Abbott
Exactly. Some landmark games produced...

Exactly.

Some landmark games produced specifically for (or enhanced for) the Amiga:-

Defender of the Crown (1986) (https://en.wikipedia.org/wiki/Defender_of_the_Crown)

The Pawn (1986)...
Forum: Hardware mods 04 June 2022, 06:40
Replies: 37
Views: 2,185
Posted By Bruce Abbott
For the A1200? Where?

For the A1200? Where?
Forum: support.Hardware 04 June 2022, 02:45
Replies: 2
Views: 417
Posted By Bruce Abbott
Most common reason for a bad head is wires pulled...

Most common reason for a bad head is wires pulled off it due to it getting caught in a floppy disk case when being ejected. In my experience this was impossible to fix, so the only repair option was...
Forum: Amiga scene 03 June 2022, 23:43
Replies: 110
Views: 14,276
Posted By Bruce Abbott
If it would involve having those silly angled...

If it would involve having those silly angled function keys then no thanks.
Forum: Amiga scene 31 May 2022, 07:50
Replies: 562
Views: 105,914
Posted By Bruce Abbott
I concur ;-)

I concur ;-)
Forum: Coders. General 28 May 2022, 05:11
Replies: 6
Views: 1,116
Posted By Bruce Abbott
Clever! Perhaps it's time for me to exhume my...

Clever! Perhaps it's time for me to exhume my improved Digiview circuit and design a new PCB for it.
Forum: Amiga scene 20 May 2022, 03:15
Replies: 18
Views: 1,989
Posted By Bruce Abbott
Ad hominem? Let's see.. You're right! It is...

Ad hominem? Let's see..

You're right! It is pretty lame.

'Old geezers' = anyone over the age of 20, right?

Want something 'substantial'? How about this:-

New York Times: The Impractical...
Forum: Amiga scene 18 May 2022, 17:28
Replies: 18
Views: 1,989
Posted By Bruce Abbott
Yeah, this is why TheA500 Mini...

Yeah, this is why TheA500 Mini (https://www.theguardian.com/games/2022/apr/12/a500-mini-commodore-amiga-review) will be an unmitigated disaster.

Jumping to conclusions? You have no idea what the...
Forum: Retrogaming General Discussion 17 May 2022, 06:50
Replies: 10
Views: 853
Posted By Bruce Abbott
Not exactly the best advertisement for texture...

Not exactly the best advertisement for texture mapping.

...and the dreaded pirates eager to nip sales in the bud. Some Amiga owners did upgrade their machines to do 3D, but not for games. Knowing...
Forum: Hardware mods 08 May 2022, 03:46
Replies: 44
Views: 4,199
Posted By Bruce Abbott
10M02SCU169C8G - "Due to temporary constrained...

10M02SCU169C8G - "Due to temporary constrained supply, Digi-Key is unable to accept backorders at this time."
Forum: Coders. General 07 May 2022, 19:48
Replies: 7
Views: 829
Posted By Bruce Abbott
Luckily 68k assembler isn't hard to understand. ...

Luckily 68k assembler isn't hard to understand.


Apart from the music player I don't see any hardware banging.


If it was easy it wouldn't be a challenge, and therefore a lot less fun.
...
Forum: Retrogaming General Discussion 06 May 2022, 23:08
Replies: 97
Views: 6,583
Posted By Bruce Abbott
The YM2149...

The YM2149 (http://www.vgmpf.com/Wiki/index.php?title=YM2149) is almost identical to the AY-3-8910, which was introduced in 1978. I agree that it was 'quite decent' compared to other popular sound...
Forum: Coders. Asm / Hardware 27 April 2022, 12:48
Replies: 83
Views: 9,648
Posted By Bruce Abbott
Not that clever. It made the Electron's RAM twice...

Not that clever. It made the Electron's RAM twice as slow as the BBC Micro. That, combined with removing mode 7 (teletext mode) and the sound chip, made the Electron much slower than the previous...
Forum: Retrogaming General Discussion 25 April 2022, 21:35
Replies: 7
Views: 951
Posted By Bruce Abbott
793.33 € - ouch! Looks nice, but (in the...

793.33 € - ouch!

Looks nice, but (in the best Commodore tradition of bodging the design to 'fix' bugs)...

https://c65gs.blogspot.com/2022/03/solving-last-of-digital-video-output.html
Perhaps...
Forum: Coders. Asm / Hardware 24 April 2022, 08:39
Replies: 83
Views: 9,648
Posted By Bruce Abbott
It wasn't a problem. By not using page mode the...

It wasn't a problem. By not using page mode the timing was easier to work out, alignment wasn't an issue, and any DRAM was compatible. Compatibility became an issue in 1988, when a world-wide DRAM...
Forum: Coders. Asm / Hardware 20 April 2022, 21:38
Replies: 17
Views: 1,818
Posted By Bruce Abbott
I can work with that.

I can work with that.
Forum: News 20 April 2022, 21:27
Replies: 311
Views: 26,049
Posted By Bruce Abbott
Yep. But not good enough for Amiga fans. ...

Yep. But not good enough for Amiga fans.

That's right. Amiga fans aren't interested in coding the Amiga 'bare metal', or to be honest any kind of Amiga coding at all.

If only Amiga coders had...
Forum: News 19 April 2022, 13:07
Replies: 311
Views: 26,049
Posted By Bruce Abbott
Yes, I knew that. But the Vampire doesn't have...

Yes, I knew that. But the Vampire doesn't have one of those SoC FPGAs.

"So why don't they switch to the SoC version?", you retort. One reason might be that there is a world-wide chip shortage and...
Forum: News 19 April 2022, 12:02
Replies: 311
Views: 26,049
Posted By Bruce Abbott
And he's not the only one. Actually it does...

And he's not the only one.

Actually it does matter in retro stuff. The Vampire V2 in my A600 runs much more efficiently (cooler, lower power) than a 68060 would, and a lot faster too. FPGA made...
Forum: News 18 April 2022, 07:10
Replies: 311
Views: 26,049
Posted By Bruce Abbott
So if Alice, Lisa and Gary were implemented in a...

So if Alice, Lisa and Gary were implemented in a single FGGA, would we still call them a chipset? Or will we pedantically say no, it's only one 'chip'?

Not sure what you are trying to say here. A...
Forum: News 18 April 2022, 06:51
Replies: 311
Views: 26,049
Posted By Bruce Abbott
But there is no ARM processor in the FPGA or on...

But there is no ARM processor in the FPGA or on the board, so how would they do that?

If there is space in the FPGA, why not use it?
Forum: News 18 April 2022, 00:13
Replies: 311
Views: 26,049
Posted By Bruce Abbott
By 'modern standards' the most complex parts are...

By 'modern standards' the most complex parts are generally preexisting IP that needs very little effort to get going. In contrast, SAGA combines the original Amiga AGA chipset with enhanced features...
Forum: News 17 April 2022, 00:32
Replies: 7
Views: 1,867
Posted By Bruce Abbott
Borders:- Top: 32 lines Bottom: 46 lines ...

Borders:-
Top: 32 lines
Bottom: 46 lines
Left: ~35 pixels
Right: ~38 pixels
Forum: News 16 April 2022, 18:02
Replies: 311
Views: 26,049
Posted By Bruce Abbott
Affordable if the design doesn't need to be...

Affordable if the design doesn't need to be changed, but the average ASIC needs 3 revisions to get it right. Something as complex as SAGA could need a lot more. That means long delays between concept...
Forum: News 16 April 2022, 15:58
Replies: 7
Views: 1,867
Posted By Bruce Abbott
That would depend on the TV's overscan...

That would depend on the TV's overscan adjustments. In comparison to the Amiga, the Spectrum's active screen area is a lot smaller at 256x192 vs 320x256. 30 pixels around a ZX Spectrum display...
Forum: News 16 April 2022, 10:17
Replies: 311
Views: 26,049
Posted By Bruce Abbott
As you know (or should know) this new 'chip' is...

As you know (or should know) this new 'chip' is still under development. The days of producing development prototypes in silicon (like Commodore did) are long gone. Today's ASICs and SOCs are often...
Forum: News 12 April 2022, 07:04
Replies: 311
Views: 26,049
Posted By Bruce Abbott
Yep. The project I was working on would assemble...

Yep. The project I was working on would assemble so fast I sometimes wondered if it had done it. Took a while to get used to that. :)

But ProAsm is several times faster than Devpac, and Basm is...
Forum: News 12 April 2022, 06:25
Replies: 311
Views: 26,049
Posted By Bruce Abbott
Some do, or did. Stack Overflow: Does a...

Some do, or did.

Stack Overflow: Does a compiler always produce an assembly code? (https://stackoverflow.com/questions/14039843/does-a-compiler-always-produce-an-assembly-code)
Forum: News 12 April 2022, 06:09
Replies: 311
Views: 26,049
Posted By Bruce Abbott
I call that "You must use this complicated method...

I call that "You must use this complicated method created to get around long compile times". I especially don't want to do that when working with disassembled programs that have to be reassembled...
Forum: News 11 April 2022, 21:52
Replies: 311
Views: 26,049
Posted By Bruce Abbott
What does 27 times get me? The difference between...

What does 27 times get me? The difference between an assembly time of 3 seconds and 1.5 minutes. You might call that 'next to nothing' - I call it the difference between enjoying myself and getting...
Forum: News 11 April 2022, 21:17
Replies: 311
Views: 26,049
Posted By Bruce Abbott
lol it's 2022, and we enter a world where... ...

lol it's 2022, and we enter a world where...

- Over 3,000 people per day are dying in the UK alone, from virus that was preventable with modern technology but we were too dumb to use it.

-...
Forum: News 10 April 2022, 12:18
Replies: 311
Views: 26,049
Posted By Bruce Abbott
For a generic bubble-sort sure, but a good asm...

For a generic bubble-sort sure, but a good asm coder is always looking for ways to make the code even more efficient.

Yep, that's why comparing code snippets may give a false impression of a...
Forum: Retrogaming General Discussion 10 April 2022, 10:32
Replies: 92
Views: 8,426
Posted By Bruce Abbott
Yes, this was the problem in a nutshell. It was a...

Yes, this was the problem in a nutshell. It was a product looking for a market - that didn't exist. The other problem is it wasn't advanced enough to excite developers and users.

During...
Forum: News 09 April 2022, 13:50
Replies: 311
Views: 26,049
Posted By Bruce Abbott
I am not averse to 'learning a thing or two'....

I am not averse to 'learning a thing or two'. Here's (http://www.bhabbott.net.nz/78KOSprog.html) a program I wrote for Windows XP, done in pure C without any 'frameworks' or GUI builders. I learned...
Forum: News 09 April 2022, 01:10
Replies: 311
Views: 26,049
Posted By Bruce Abbott
...on any platform, including neural networks...

...on any platform, including neural networks running on high-end GPUs. Gotta stuff as much as possible into that straw man!
Forum: Amiga scene 08 April 2022, 09:43
Replies: 63
Views: 5,364
Posted By Bruce Abbott
This game is very fast on my A1200 with Blizzard...

This game is very fast on my A1200 with Blizzard 1230-IV - too fast. Is there a WHDLoad setting I can use to slow it down?
Forum: News 06 April 2022, 21:42
Replies: 311
Views: 26,049
Posted By Bruce Abbott
And the most popular language according to TIOBE...

And the most popular language according to TIOBE is... Python (+3.95% up from last year). This certainly supports your theory that people chose a language for convenience rather than performance. But...
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