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Forum: Coders. Asm / Hardware 23 September 2018, 07:31
Replies: 13
Views: 415
Posted By Leffmann
If you had shown this on an A500 in 1987, people...

If you had shown this on an A500 in 1987, people might not have believed it. Very good demonstration of pushing the hardware to its limits!
Forum: Coders. Tutorials 22 September 2018, 22:05
Replies: 28
Views: 8,632
Posted By Leffmann
Up to 200 µs needed for some Cherry keyboards...

Up to 200 µs needed for some Cherry keyboards apparently.

Reading vhposr and waiting for 4 line changes should work best, you'll get a delay no less than 192 µs (probably closer to 200 with code...
Forum: Coders. Asm / Hardware 18 September 2018, 23:04
Replies: 9
Views: 452
Posted By Leffmann
Yeah I guess, if Devpac outputs a regular...

Yeah I guess, if Devpac outputs a regular AmigaDOS object file, but I don't see why vasm wouldn't work. The -Fbin switch does exactly what it's supposed to when I test on my machines. Everything...
Forum: Coders. Asm / Hardware 18 September 2018, 22:51
Replies: 3
Views: 173
Posted By Leffmann
What do your 32-bit factors look like, are they...

What do your 32-bit factors look like, are they evenly distributed over the whole 32-bit range? If there's a bias towards smaller values in the 16-bit range, then the overhead of a few comparisons...
Forum: News 18 September 2018, 17:52
Replies: 285
Views: 40,846
Posted By Leffmann
Will the new SetPatch be freely downloadable,...

Will the new SetPatch be freely downloadable, like older versions in the past?
Forum: Retrogaming General Discussion 18 September 2018, 17:46
Replies: 28
Views: 566
Posted By Leffmann
Never played either of them much, but I would...

Never played either of them much, but I would pick Lotus because it's actually playable.
Forum: support.Other 18 September 2018, 17:42
Replies: 12
Views: 388
Posted By Leffmann
4Mat is registered here on the EAB, he might know.

4Mat is registered here on the EAB, he might know.
Forum: Coders. Contest 18 September 2018, 17:41
Replies: 16
Views: 996
Posted By Leffmann
Found a bug: once I got past 400 or so points, it...

Found a bug: once I got past 400 or so points, it stopped doing collision detection.
Forum: Coders. Asm / Hardware 18 September 2018, 15:32
Replies: 7
Views: 514
Posted By Leffmann
It's a bit of a problem to get a truly random...

It's a bit of a problem to get a truly random seed on the Amiga.

Because task switching is often done pre-emptively at the vertical blanking, reading the vertical counter might give you the same...
Forum: request.Apps 18 September 2018, 15:25
Replies: 4
Views: 205
Posted By Leffmann
I think both Deluxe Paint and Personal Paint can...

I think both Deluxe Paint and Personal Paint can do this. In PP, you rearrange the palette as you want it, then choose Color -> Remap.
Forum: Coders. Asm / Hardware 18 September 2018, 15:21
Replies: 9
Views: 452
Posted By Leffmann
Are you mixing section and org statements, or use...

Are you mixing section and org statements, or use PC-relative addressing across sections? That would give you relative mode errors.

What does the nonsense code look like? If you use vasm's binary...
Forum: Nostalgia & memories 11 September 2018, 10:21
Replies: 26
Views: 1,256
Posted By Leffmann
What we really need is another term,...

What we really need is another term, "sandbox-like", to make the whole question of definition easier.
Forum: Nostalgia & memories 10 September 2018, 13:50
Replies: 26
Views: 1,256
Posted By Leffmann
I'm going to say Emerald Mine series.

I'm going to say Emerald Mine series.
Forum: project.Amiga Game Factory 10 September 2018, 13:47
Replies: 48
Views: 2,715
Posted By Leffmann
Nice one! It's similar to Sqrxz, but has much...

Nice one! It's similar to Sqrxz, but has much better puzzle and game mechanics.
Forum: Amiga scene 10 September 2018, 13:44
Replies: 7
Views: 630
Posted By Leffmann
What's that daughter board with the four chips?...

What's that daughter board with the four chips? The Kickstart ROM?
Forum: Coders. Asm / Hardware 07 September 2018, 11:55
Replies: 18
Views: 503
Posted By Leffmann
BSS space after code and data has been supported...

BSS space after code and data has been supported since 1.2 and will be uninitialized. On 2.0 and later it will be zero-filled.
Forum: Amiga scene 03 September 2018, 21:23
Replies: 119
Views: 19,123
Posted By Leffmann
It's not an object file. I'm guessing it's a...

It's not an object file. I'm guessing it's a 256-bit hash, or the output of some 256-bit block cipher, a (big) step up from ROT13.

I'm assuming it's Cloanto who have bought the domain. Who knows...
Forum: Retrogaming General Discussion 02 September 2018, 22:12
Replies: 3,846
Views: 589,660
Posted By Leffmann
Playing Black Mesa again, a remake of Half-Life 1...

Playing Black Mesa again, a remake of Half-Life 1 with improved sound and graphics.

It was a bit flimsy and unfinished last I played it, and it's still Early Access three years after release on...
Forum: Coders. Asm / Hardware 01 September 2018, 22:29
Replies: 500
Views: 14,136
Posted By Leffmann
https://xkcd.com/386/

https://xkcd.com/386/
Forum: Coders. General 31 August 2018, 18:30
Replies: 12
Views: 405
Posted By Leffmann
I don't think there's any sure answer to this, it...

I don't think there's any sure answer to this, it will vary not just from one algorithm to another, but with the exact implementation of it.

What I do is use a FILO queue to keep track of...
Forum: Amiga scene 27 August 2018, 22:16
Replies: 60
Views: 2,845
Posted By Leffmann
My guess is somewhere between 5000 and 10 000,...

My guess is somewhere between 5000 and 10 000, based on number of active users, and the totals on various communities.

Difficult to say whether it's growing, but some time back the number of...
Forum: Coders. System 26 August 2018, 16:09
Replies: 6
Views: 351
Posted By Leffmann
Try this: BPTR con =...

Try this:

BPTR con = Console("con:0/0/400/100", "a close/wait window", "close/wait");


BPTR Console(char* size, char* title, char* flags) {
char temp[200];
BPTR con;

strcpy(temp,...
Forum: Coders. System 26 August 2018, 12:31
Replies: 6
Views: 351
Posted By Leffmann
Why does it have to be a forward slash? Cosmetic...

Why does it have to be a forward slash? Cosmetic reasons?
Forum: Coders. System 23 August 2018, 19:01
Replies: 6
Views: 351
Posted By Leffmann
AFAIK the only way is to find the window and call...

AFAIK the only way is to find the window and call SetWindowTitles() to change it, and then you can put slashes in the title, and probably all other printable characters.
Forum: Coders. Asm / Hardware 21 August 2018, 16:57
Replies: 500
Views: 14,136
Posted By Leffmann
About the M68000 performance: my own tests showed...

About the M68000 performance: my own tests showed about 0.1 MIPS per MHz on average, with the peak performance being 0.25 MIPS per MHz.

To get the numbers I ran SAS/C in a slightly modified Vamos...
Forum: Coders. Asm / Hardware 20 August 2018, 16:46
Replies: 500
Views: 14,136
Posted By Leffmann
That interview is 9 years old. Basic memory...

That interview is 9 years old. Basic memory allocation means just extending the heap, but convenient memory allocation in malloc-style is also available (even if it's typically not the job of the...
Forum: Coders. Asm / Hardware 20 August 2018, 16:22
Replies: 500
Views: 14,136
Posted By Leffmann
Sure they do, using system call 64: ...

Sure they do, using system call 64:
http://www.menuetos.net/syscall.txt
Forum: News 20 August 2018, 16:09
Replies: 57
Views: 3,465
Posted By Leffmann
The first 8M RAM appear at $20 0000 I guess, but...

The first 8M RAM appear at $20 0000 I guess, but where in the address map do the remaining 2M fit in?
Forum: Coders. Asm / Hardware 20 August 2018, 16:04
Replies: 500
Views: 14,136
Posted By Leffmann
No it's not a personal attack :) There's a...

No it's not a personal attack :) There's a complete desktop operating system written entirely in x86 machine language. You can deny it all you want, but it won't change anything :)
Forum: New to Emulation or Amiga scene 20 August 2018, 16:01
Replies: 9
Views: 617
Posted By Leffmann
The Player can optionally perform lossy...

The Player can optionally perform lossy compression on the samples.
Forum: Retrogaming General Discussion 20 August 2018, 15:57
Replies: 38
Views: 1,526
Posted By Leffmann
Obvious perhaps, but the whole Emerald Mine...

Obvious perhaps, but the whole Emerald Mine series must have been running the same engine, and possibly, Emerald Mines as well.
Forum: Coders. Asm / Hardware 20 August 2018, 15:54
Replies: 500
Views: 14,136
Posted By Leffmann
Meynaf, you're drunk. Turn the computer off and...

Meynaf, you're drunk. Turn the computer off and go to bed.
Forum: Coders. Asm / Hardware 19 August 2018, 21:05
Replies: 500
Views: 14,136
Posted By Leffmann
There was at least one more manufacturer of the...

There was at least one more manufacturer of the M68000: ST Microelectronics in Europe.
Forum: Nostalgia & memories 19 August 2018, 00:46
Replies: 1,944
Views: 268,400
Posted By Leffmann
I wish! If you use 64-bit bitplane fetch and want...

I wish! If you use 64-bit bitplane fetch and want HW scrolling for a standard 320 pixel wide screen then you lose all but sprite 0.

AGA was rushed, and a missed opportunity.
Forum: Coders. C/C++ 19 August 2018, 00:41
Replies: 21
Views: 928
Posted By Leffmann
I build with clang, with version string "Apple...

I build with clang, with version string "Apple LLVM version 8.0.0 (clang-800.0.42.1)"

I've attached the binaries, if it's to any help.
Forum: Coders. C/C++ 18 August 2018, 15:29
Replies: 21
Views: 928
Posted By Leffmann
No idea then... the only thing I do different is...

No idea then... the only thing I do different is to remove -DHAVE_AOS4 from the vbcc makefile.
Forum: Nostalgia & memories 18 August 2018, 15:23
Replies: 32
Views: 2,514
Posted By Leffmann
Henk Nieborg was definitely one of the best pixel...

Henk Nieborg was definitely one of the best pixel artists on the Amiga. It's interesting to compare his earlier work and see how his graphics went from OK to amazing in just a few years.
Forum: Retrogaming General Discussion 18 August 2018, 15:18
Replies: 38
Views: 1,526
Posted By Leffmann
Simulmondo's game series that came in 779 or more...

Simulmondo's game series that came in 779 or more releases, Dylan Dog, Diabolik, Time Runners etc.
Forum: Coders. C/C++ 18 August 2018, 09:11
Replies: 21
Views: 928
Posted By Leffmann
Try this, it's my own finished and working...

Try this, it's my own finished and working installation for macOS, minus the binaries.

Change the extension to .tar.xz (because of EAB's bad file upload rules) and extract, build the binaries and...
Forum: Coders. C/C++ 16 August 2018, 19:33
Replies: 21
Views: 928
Posted By Leffmann
Do you have a BOM marker at the beginning of the...

Do you have a BOM marker at the beginning of the source file maybe? Try removing it, or saving as Latin 1.

I've built and installed vbcc successfully on my Mac many times, and I think the problem...
Showing results 1 to 40 of 2176

 
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