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Search: Posts Made By: Photon
Forum: News 19 May 2018, 20:52
Replies: 56
Views: 5,418
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: 394
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: 131
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: 596
Views: 21,210
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: 1,387
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: 1,156
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: 727
Views: 103,792
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: 1,387
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: 1,156
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: 1,387
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: 1,387
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: 2,727
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: 6,596
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: 2,727
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: 1,591
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: 488
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: 488
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: 596
Views: 21,210
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: 649
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: 1,591
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: 564
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: 649
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: 624
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: 557
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: 677
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: 596
Views: 21,210
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.
Forum: Coders. Asm / Hardware 18 March 2018, 22:33
Replies: 39
Views: 1,551
Posted By Photon
Just Alloc the largest chunk of the two memory...

Just Alloc the largest chunk of the two memory types and add intelligence. :)

For Fastmem you shouldn't take liberties, there could a mapped ROM there or anything else resident that the user needs...
Forum: Coders. Asm / Hardware 18 March 2018, 22:16
Replies: 9
Views: 902
Posted By Photon
Yes, NP. Needs level design, of course. ...

Yes, NP. Needs level design, of course.

Seems similar to Trailblazer. You could try the Trailblazer clone for Amiga (PD? Name?) if it satisfies. :)
Forum: Retrogaming General Discussion 18 March 2018, 21:57
Replies: 16
Views: 671
Posted By Photon
Is this for homework? :) As you can tell I'm with...

Is this for homework? :) As you can tell I'm with idrougge here... there will just never be consensus.

First game is the exception. It should be one of these...
Forum: Amiga scene 18 March 2018, 18:16
Replies: 596
Views: 21,210
Posted By Photon
I think you want this as a dev machine for...

I think you want this as a dev machine for banging the hardware, and then I can't recommend PPC or NG over WinUAE, just run the UAE GFX driver? Obviously you might still want one for trying it out,...
Forum: Retrogaming General Discussion 18 March 2018, 17:43
Replies: 253
Views: 16,617
Posted By Photon
Looks good so far! Remember fire should be...

Looks good so far! Remember fire should be jump/hover so you can spam it for horizontal streaking. Up+fire=high jump which is necessary to get full bonus and escape some enemies. Down should do...
Forum: Amiga scene 18 March 2018, 17:24
Replies: 727
Views: 103,792
Posted By Photon
ACA500/+ case looks good, might buy one (or...

ACA500/+ case looks good, might buy one (or three) when it's finished. :)
Forum: Coders. Asm / Hardware 13 March 2018, 18:31
Replies: 13
Views: 655
Posted By Photon
I have been very wary about changing the assembly...

I have been very wary about changing the assembly core stolen from Seka. ;)

In fact, it's 100% the same, and therefore, bugs that were there (and continued also to much later versions by others)...
Forum: Coders. Asm / Hardware 11 March 2018, 13:27
Replies: 54
Views: 9,021
Posted By Photon
Doesn't work like that.

Doesn't work like that.
Forum: Coders. Releases 10 March 2018, 18:12
Replies: 231
Views: 17,779
Posted By Photon
Well, the specs in the first post will give an...

Well, the specs in the first post will give an idea what you mean by Classic. Fine as is. Carry on :)
Forum: Coders. Releases 10 March 2018, 17:02
Replies: 231
Views: 17,779
Posted By Photon
Thread moved to Releases :great (Actually, I...

Thread moved to Releases :great (Actually, I changed "Classic" in the title to "PPC Amigas", then changed it back again, to ask.)

Does it require a PPC or similar and >64MB to run properly? Or...
Forum: Coders. Asm / Hardware 10 March 2018, 16:41
Replies: 8
Views: 601
Posted By Photon
First thought was, will it beat a 68000? 256...

First thought was, will it beat a 68000? 256 words isn't a lot...

Especially since an add must be multiple operations to allow the carry to ripple. Two bits is a special case, but one and only one...
Forum: Coders. Asm / Hardware 10 March 2018, 16:26
Replies: 54
Views: 9,021
Posted By Photon
Well... you wouldn't say that the CPU runs at 3.5...

Well... you wouldn't say that the CPU runs at 3.5 MHz. It takes 4 cycles for the CPU to write a word to RAM just as it does the Blitter.

All the chips including the CPU run at 7MHz, so it would be...
Forum: Coders. Asm / Hardware 28 January 2018, 15:14
Replies: 39
Views: 3,011
Posted By Photon
So now they can do crazy things with a correct...

So now they can do crazy things with a correct blit wait that doesn't waste a scanline per blit.
Forum: Coders. Asm / Hardware 28 January 2018, 14:57
Replies: 23
Views: 1,671
Posted By Photon
Just checked Wikipedia. Haha, so some shmuck got...

Just checked Wikipedia. Haha, so some shmuck got it the wrong way once upon a time. Calling something -endian from it beginning with something is illogical. Calling something with the little towards...
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