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Forum: support.Hardware 16 June 2018, 20:49
Replies: 21
Views: 8,211
Posted By Photon
Thread Necromancy is the best! :great So...

Thread Necromancy is the best! :great

So here are the basic concepts.

Workbench allows you select any resolution and expects you to connect a compatible display.

PAL is 576i...
Forum: Amiga scene 09 June 2018, 14:45
Replies: 41
Views: 2,046
Posted By Photon
Cool, will try it :)

Cool, will try it :)
Forum: Amiga scene 09 June 2018, 14:41
Replies: 739
Views: 107,947
Posted By Photon
Obviously the ideal would be to use the space and...

Obviously the ideal would be to use the space and expandability inside. ACA500(Plus) is as Jens explains a bit cumbersome for A1000, but it seems to work as a flipped-over sidecar, like this...
Forum: support.Apps 06 June 2018, 16:34
Replies: 15
Views: 496
Posted By Photon
If it was formatted on a PC, you might succeed by...

If it was formatted on a PC, you might succeed by formatting it on the Amiga..? As in, the file format on the disk was a pre-5.0 (or whichever version it was) MS-DOS version.
Forum: Retrogaming General Discussion 06 June 2018, 16:31
Replies: 53
Views: 2,332
Posted By Photon
Huzzah! Up the Cathode! Couldn't agree...

Huzzah! Up the Cathode!

Couldn't agree more. Once-2000 EUR big CRT TVs (the kind they used to put in conference rooms at a company are super!) can sometimes be had for the asking.

I have a...
Forum: Member Introductions 06 June 2018, 16:19
Replies: 2
Views: 279
Posted By Photon
Welcome! :)

Welcome! :)
Forum: project.EAB 06 June 2018, 16:16
Replies: 163
Views: 7,379
Posted By Photon
I think restricting new members to the new...

I think restricting new members to the new members forum (for the first post) is a good idea, it can make legit users feel more welcome as well. At least if anyone replies and says hi... I confess...
Forum: Coders. Asm / Hardware 06 June 2018, 14:54
Replies: 44
Views: 7,086
Posted By Photon
Yep, found the same OR instruction. :great This...

Yep, found the same OR instruction. :great This "conditional bit copy" is necessary for ystart>=256.
Forum: Coders. Asm / Hardware 05 June 2018, 00:17
Replies: 31
Views: 1,290
Posted By Photon
chb - he's not optimizing for 68000, and I don't...

chb - he's not optimizing for 68000, and I don't like LUTs, it's hit and miss if you can get a good gain. Certainly more miss the higher up the Motorola family you travel.

ross, I was thinking...
Forum: Coders. Asm / Hardware 03 June 2018, 19:28
Replies: 31
Views: 1,290
Posted By Photon
ross seems capable, so I think he could both code...

ross seems capable, so I think he could both code and compare to give us the answer :great

Here's an untested variant from the obvious LUT. It trades 3 memory writes for 2 decode cycles. It was...
Forum: Amiga scene 31 May 2018, 01:00
Replies: 19
Views: 799
Posted By Photon
How about CD32? :) They've gone up a bit in...

How about CD32? :)

They've gone up a bit in price lately, I think. They used to be 80 EUR. They're not rare or anything, it's just people completing their collection driving the prices up a bit.
...
Forum: support.Demos 31 May 2018, 00:13
Replies: 32
Views: 1,534
Posted By Photon
+1 lots of great F030 productions released in...

+1 lots of great F030 productions released in 1995-1996. One of the four Golden Ages of Amiga demos for sure. :great
Forum: project.EAB 26 May 2018, 15:30
Replies: 163
Views: 7,379
Posted By Photon
The Captcha added should make sure it's a human...

The Captcha added should make sure it's a human registering. Then the human can run spam scripts or just spam themselves. There isn't really any protection from that.

Spammer(s) could have...
Forum: Coders. Asm / Hardware 26 May 2018, 14:40
Replies: 67
Views: 5,522
Posted By Photon
Soon in the series, interfacing with the OS is...

Soon in the series, interfacing with the OS is added and in episode 36, this is replaced with a Startup proper. This takes over the system cleanly and shows a PAL screen.

In the first post, the...
Forum: News 19 May 2018, 20:52
Replies: 154
Views: 10,660
Posted By Photon
The Pixelglass looks more than half full to me!...

The Pixelglass looks more than half full to me! :great
Forum: Coders. General 19 May 2018, 18:47
Replies: 3
Views: 539
Posted By Photon
H.R.M. is - a reference. Exact and complete*, but...

H.R.M. is - a reference. Exact and complete*, but abstract. For concrete "how-to" explanations with examples, you could try System Programmer's Guide, link...
Forum: support.Hardware 19 May 2018, 18:32
Replies: 3
Views: 165
Posted By Photon
Many mice wear down so that changing switch...

Many mice wear down so that changing switch doesn't help, open it up and if the microswitch itself gives 20/20 clicks then check what the real problem is. If not, swap switch.

Yes, you need to...
Forum: Amiga scene 25 April 2018, 22:48
Replies: 625
Views: 25,760
Posted By Photon
Quite a few of their superior designs transpired....

Quite a few of their superior designs transpired. ;) And I will remind you that Hi-Toro had no funding and that the only reason the Amiga saw the light was due to the then-Nextgen properties of both...
Forum: Coders. Asm / Hardware 25 April 2018, 22:18
Replies: 28
Views: 1,617
Posted By Photon
Hehe. Yeah, I guess I was confused about the...

Hehe. Yeah, I guess I was confused about the purpose by the bit backwards code at the time. :) It was written clearly in the first post, though.

If you just want to pump out data to bpl1, the...
Forum: Coders. General 25 April 2018, 21:43
Replies: 21
Views: 1,387
Posted By Photon
Higher than 1px accuracy is defo better than some...

Higher than 1px accuracy is defo better than some 3D calculation routines that even have less than 1px accuracy for the coordinates in a bunch of demos :great

(I.e. your coordinates must be, let's...
Forum: Amiga scene 25 April 2018, 18:56
Replies: 739
Views: 107,947
Posted By Photon
For the latest one of my ACA500Pluses I made a...

For the latest one of my ACA500Pluses I made a precision case from a roughly-the-right-size stiff,thin cardboard box, then covered it with black adhesive vinyl. Looks quite smart (well better than...
Forum: Coders. Asm / Hardware 18 April 2018, 00:30
Replies: 28
Views: 1,617
Posted By Photon
You must also set bit 15 (SET/CLR) on the DMACON...

You must also set bit 15 (SET/CLR) on the DMACON line. Otherwise the bitmask you specify will be cleared, not set. (This works the same for many *CON and *ENA registers.)

If this is done and still...
Forum: Coders. General 17 April 2018, 22:52
Replies: 21
Views: 1,387
Posted By Photon
Looks like the low byte of BLTCON0 (the minterm)...

Looks like the low byte of BLTCON0 (the minterm) is empty? One normal value is $fa.
Forum: Coders. Asm / Hardware 17 April 2018, 22:40
Replies: 28
Views: 1,617
Posted By Photon
Well, um... just the relevant bits in a Code Tag...

Well, um... just the relevant bits in a Code Tag is fine I think :)
Forum: Coders. Asm / Hardware 17 April 2018, 22:32
Replies: 28
Views: 1,617
Posted By Photon
Too many unknowns, I think. Post your code and...

Too many unknowns, I think. Post your code and we'll be able to tell why you don't get pixels! (For Lores using DMA, this (http://eab.abime.net/showpost.php?p=566175&postcount=16) is max.)

Not...
Forum: Amiga websites reviews 17 April 2018, 21:55
Replies: 75
Views: 3,132
Posted By Photon
Well... I think that this guy shouldn't have to...

Well... I think that this guy shouldn't have to deny what the site wrote - about him. Basically read what he has to say, and there are the ways that the stories can improve. Don't you want that?
Forum: Coders. Asm / Hardware 17 April 2018, 00:01
Replies: 87
Views: 7,135
Posted By Photon
If you use the backup+assemble+run function (Help...

If you use the backup+assemble+run function (Help key), AsmTwo expects an AsmTwoTemp: assign. This is optional. Apart from that it makes no assumptions about how you want to organize your source...
Forum: Amiga websites reviews 16 April 2018, 16:40
Replies: 75
Views: 3,132
Posted By Photon
Looks like any of those other 1-click "make your...

Looks like any of those other 1-click "make your own website" blogs, you know the ones with the same "click this square also for another great read" :laughing

I don't mind the inability to...
Forum: Coders. Asm / Hardware 14 April 2018, 23:30
Replies: 23
Views: 1,807
Posted By Photon
It's all about the learning curve, it must be...

It's all about the learning curve, it must be free of bumps and steep upward slopes. :) The $ffdf wrap is covered much later in the scroller bounce part.

It's just... you wouldn't explain how to...
Forum: Coders. Asm / Hardware 14 April 2018, 23:10
Replies: 7
Views: 587
Posted By Photon
Yep, that's correct. I have no idea why I wrote...

Yep, that's correct. I have no idea why I wrote more MA slots taken. :) More to process, more slots free, HAM8 will be roughly the same speed on AGA as the HAM6 example on OCS.
Forum: Coders. Asm / Hardware 14 April 2018, 17:45
Replies: 7
Views: 587
Posted By Photon
Yes, a proper fade must be done by processing the...

Yes, a proper fade must be done by processing the bitplane data. HAM8 = more MA slots taken+more to process+same Blitter = substantially slower.

You could process parts of it at a time with a...
Forum: Amiga scene 13 April 2018, 23:07
Replies: 625
Views: 25,760
Posted By Photon
Was expecting your comment to be torn apart, I...

Was expecting your comment to be torn apart, I had made popcorn and all :D

I could justly reply that there's nothing in nextgen hardware that makes it an Amiga. I see no point in discussing...
Forum: Coders. Asm / Hardware 01 April 2018, 17:43
Replies: 8
Views: 682
Posted By Photon
Yep, there are many reasons why the built-in...

Yep, there are many reasons why the built-in chaining is not optimal, the biggest one is that you sometimes have to copy spritedata to chain them, which sort of defeats its purpose :)

I think Phx...
Forum: Coders. Asm / Hardware 01 April 2018, 17:34
Replies: 23
Views: 1,807
Posted By Photon
1. Your code debugs fine in AsmTwo...

1. Your code debugs fine in AsmTwo (http://coppershade.org/articles/More!/Downloads/) (which is based on AsmOne 1.02). But if you add startup code that clears INTENA, clear all but VERTB and PORTS to...
Forum: Coders. Asm / Hardware 31 March 2018, 17:54
Replies: 9
Views: 603
Posted By Photon
Manipulation and unpacking isn't mixing, tho. The...

Manipulation and unpacking isn't mixing, tho. The Blitter ALU can be used in passes for arithmetic operations, the problem is the carry. It would likely also need the instruments to change from...
Forum: Coders. Asm / Hardware 31 March 2018, 17:47
Replies: 8
Views: 682
Posted By Photon
What the other guys said. Having a second sprite...

What the other guys said. Having a second sprite below another using the same channel(s) is called multiplexing, and the hardware can automatically chain sprites like you want to do without have to...
Forum: Coders. General 18 March 2018, 23:01
Replies: 0
Views: 858
Posted By Photon
Lightbulb Check out the sub-forums!

The community has created sub-forums for intriguing categories like high-level languages, assembler and hardware, releases that you want to share with the world, etc.

If you post in an appropriate...
Forum: Coders. Asm / Hardware 18 March 2018, 22:50
Replies: 6
Views: 603
Posted By Photon
Moved to the Asm/Hardware forum :great

Moved to the Asm/Hardware forum :great
Forum: Coders. Language 18 March 2018, 22:48
Replies: 4
Views: 900
Posted By Photon
This is a coding help question so I moved it to...

This is a coding help question so I moved it to Coders.Languages. Cheers :)
Forum: Amiga scene 18 March 2018, 22:46
Replies: 625
Views: 25,760
Posted By Photon
Some call the generation after Commodore Amigas...

Some call the generation after Commodore Amigas Classic, just so you're aware. Just weird to me :) Anyway.
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