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Search took 0.07 seconds. Search: Posts Made By: NorthWay
Forum: Coders. Asm / Hardware 20 April 2024, 00:12
Replies: 91
Views: 5,502
Posted By NorthWay
Stupid Q: Does movem behave the same as move?

Stupid Q: Does movem behave the same as move?
Forum: Coders. Asm / Hardware 13 March 2024, 09:21
Replies: 12
Views: 661
Posted By NorthWay
MY possible understanding is that the hw keeps...

MY possible understanding is that the hw keeps adding 2 to the memory pointers for each fetch until it reaches the "last fetch" where it instead adds the modulo. It simplifies the logic.
Forum: Coders. Asm / Hardware 01 March 2024, 14:04
Replies: 7
Views: 614
Posted By NorthWay
SCSI DMA chip memcopy?

SCSI DMA chip memcopy?
Forum: Coders. Asm / Hardware 15 February 2024, 23:35
Replies: 21
Views: 1,248
Posted By NorthWay
Yes! That must be the one. Need to inspect the...

Yes! That must be the one. Need to inspect the source to see if my memory was right.
Forum: Coders. Asm / Hardware 15 February 2024, 17:07
Replies: 21
Views: 1,248
Posted By NorthWay
Back in the day (think Fish disks) there was a...

Back in the day (think Fish disks) there was a CopyMem patch by a Norwegian dude who went by the name Art IIRC. He did all sorts of unaligned and combinations thereof. I can't find that right now,...
Forum: Retrogaming General Discussion 09 February 2024, 22:32
Replies: 127
Views: 8,291
Posted By NorthWay
I think it is a bit 'funny' how one of the first...

I think it is a bit 'funny' how one of the first games that was paraded as showing how amazing the Amiga was is being mostly overlooked: Marble Madness.
It is one of the games that I feel was the...
Forum: Retrogaming General Discussion 13 January 2024, 18:14
Replies: 39
Views: 3,196
Posted By NorthWay
I'll read your Q to be what performs more than...

I'll read your Q to be what performs more than you would think it could.
My suggestion is Galactic.
Forum: Coders. Asm / Hardware 30 November 2023, 18:52
Replies: 24
Views: 2,254
Posted By NorthWay
As a vague guess I would think movem is...

As a vague guess I would think movem is microporgrammed while move has a direct hw execute path.
Other possible reason: move can overlap read and write execution parts while movem is streaming reads...
Forum: Amiga scene 30 October 2023, 20:22
Replies: 3,783
Views: 506,091
Posted By NorthWay
With chunky pixels you could do a blitter that...

With chunky pixels you could do a blitter that uses implied mask and can do a cookie-cut with 3 memory accesses instead of 4. And no memory needed for the mask either.
(And there is an optimization...
Forum: Retrogaming General Discussion 25 October 2023, 01:48
Replies: 72
Views: 4,378
Posted By NorthWay
And just FYI I bought a Mega65. It looks dead...

And just FYI I bought a Mega65. It looks dead gorgeous. Good replacement for a C= 65.
The CPC was too weak to drive a 16K framebuffer and should have had 128K baseline to prop up doublebuffering...
Forum: Retrogaming General Discussion 24 October 2023, 00:13
Replies: 72
Views: 4,378
Posted By NorthWay
Oh, and perhaps the original, old, Lynx computer....

Oh, and perhaps the original, old, Lynx computer. I don't really have the full low-down on it, so I'm not sure if it is cool or not.

As for the Enterprise, I think perhaps the chip designers went...
Forum: Retrogaming General Discussion 23 October 2023, 15:32
Replies: 72
Views: 4,378
Posted By NorthWay
So many to choose from. The Dragon/CoCo/Thomson...

So many to choose from. The Dragon/CoCo/Thomson for the 6809 (and the latter two also had versions with ok gfx). The Enterprise. The Atari 8-bits. The CPC Plus. The Apple IIGS. For pure looks the...
Forum: Retrogaming General Discussion 22 October 2023, 20:32
Replies: 6,896
Views: 1,834,803
Posted By NorthWay
Went to a local games convention yesterday and...

Went to a local games convention yesterday and got myself "Get off my garden!" (C= 64 floppy), "The anatomy of the 1541" (book), "The complete Commodore 64 ROM disassembly" (book). Paid NOK 200,-...
Forum: Amiga scene 12 October 2023, 09:30
Replies: 226
Views: 37,086
Posted By NorthWay
Oooooh! Magic words: Could you describe what your...

Oooooh! Magic words: Could you describe what your transcode approach is like - automated?
Forum: Coders. Asm / Hardware 11 October 2023, 23:06
Replies: 34
Views: 2,928
Posted By NorthWay
I once hacked Exec in my 4000 to round all...

I once hacked Exec in my 4000 to round all allocations up to a multiple of 4K. I couldn't understand where the bug in my code was as it would not work.
Well, it worked just fine; the only problem...
Forum: Coders. Asm / Hardware 09 October 2023, 19:45
Replies: 34
Views: 2,928
Posted By NorthWay
Suggestion(slightly dodgy): Forbid() ...

Suggestion(slightly dodgy):
Forbid()
A=AllocMem(SIZE/2)
B=AllocMem(SIZE/2)
Check if they are sequentially placed in memory. Yes, this is not a guarantee of anything. The address of the end of...
Forum: support.Games 03 October 2023, 02:56
Replies: 10
Views: 1,216
Posted By NorthWay
I have an NTSC release; it does some kinda check...

I have an NTSC release; it does some kinda check of the disk and then there is a simple branch depending on the result. Changing the branch was all it took to make it work without the floppy.
Forum: Amiga scene 30 September 2023, 00:59
Replies: 16
Views: 1,728
Posted By NorthWay
The keyboard is worth a lot on its own. In some...

The keyboard is worth a lot on its own. In some places C= had a trade-in thing where you only needed to give them the keyboard for a big(?) discount on an A2000.
Forum: Retrogaming General Discussion 28 September 2023, 23:13
Replies: 15
Views: 1,301
Posted By NorthWay
IIRC I once read that the company that produced...

IIRC I once read that the company that produced Hybris found some leftover arcade board after the devs left and hurrily put it away once they tested it as it was obviously uncomfortably close to...
Forum: Coders. Asm / Hardware 27 September 2023, 12:23
Replies: 59
Views: 12,549
Posted By NorthWay
Do you still need it? I can trawl my WinUAE later...

Do you still need it? I can trawl my WinUAE later tonight if needed. I think I should have it there.
Forum: Coders. System 27 September 2023, 12:09
Replies: 36
Views: 3,289
Posted By NorthWay
You're asking the wrong question (mostly). (But...

You're asking the wrong question (mostly). (But let me answer in the spirit I think it was meant.)
Those two methods are (usually) not the same thing. One uses the OS for its functions, the other is...
Forum: Coders. C/C++ 17 September 2023, 04:20
Replies: 1,549
Views: 359,334
Posted By NorthWay
I just stumbled into this shift discussion here,...

I just stumbled into this shift discussion here, and possibly dancing into a minefield (especially at this hour), wouldn't you rather do

moveq #$3f,d1
and.b 11(sp),d1

Or did I possibly miss...
Forum: Nostalgia & memories 05 September 2023, 12:28
Replies: 115
Views: 19,151
Posted By NorthWay
I have begun cataloging my magazines and I was...

I have begun cataloging my magazines and I was suprised to find that I have a complete run of CU from January 1985 until it ceased production (plus 2 issues from 1984).
Forum: MarketPlace 24 August 2023, 14:52
Replies: 28
Views: 3,296
Posted By NorthWay
I wish you did the A4000TX too - I hate cramped...

I wish you did the A4000TX too - I hate cramped cases and want a full tower.
Forum: Amiga scene 11 August 2023, 00:41
Replies: 122
Views: 37,730
Posted By NorthWay
Sure, but AFAIK the IIGS is also 16 colours....

Sure, but AFAIK the IIGS is also 16 colours. Hence my comment - it looked much nicer I thought.
Forum: Coders. Asm / Hardware 09 August 2023, 07:26
Replies: 41
Views: 3,790
Posted By NorthWay
On a related note, maybe Exec memory routines...

On a related note, maybe Exec memory routines should be modified to round up to 16 and not 8 bytes? At least for 68040+. Have anyone tried to see if it causes any problems?
(Sidenote: I once tried...
Forum: Amiga scene 06 August 2023, 19:02
Replies: 122
Views: 37,730
Posted By NorthWay
While already transgressing; reading Retro Gamer...

While already transgressing; reading Retro Gamer #248 had an article on Puzznic. It looked to me like the Apple IIGS graphics were nicer - would a hostile "graphics port" be doable?
Forum: Retrogaming General Discussion 06 August 2023, 16:34
Replies: 6,896
Views: 1,834,803
Posted By NorthWay
4 issues of Amiga Format from 1997. I didn't...

4 issues of Amiga Format from 1997. I didn't think to check for the CDs so that will have to be another order for another day...
Forum: Amiga scene 02 August 2023, 16:46
Replies: 122
Views: 37,730
Posted By NorthWay
So, not an ST game, but has anyone looked into a...

So, not an ST game, but has anyone looked into a hack and hostile port of the 4th table "The Vikings" for Pinball Illusions? I believe the DOS version is a port of the original made for the Amiga...
Forum: Coders. General 31 July 2023, 23:53
Replies: 13
Views: 1,838
Posted By NorthWay
Que? I'm using WinUAE and I simply have a mount...

Que? I'm using WinUAE and I simply have a mount that accesses a native directory that I have just called "FILE:" from which I can read and write anything that I plonk down there from the host side....
Forum: Coders. Asm / Hardware 26 June 2023, 14:01
Replies: 199
Views: 42,928
Posted By NorthWay
You can treat Gauntlet mobs in two different...

You can treat Gauntlet mobs in two different ways:
- Stuck in traffic and locked onto a fixed grid position. Does not move until the adjacent grid it wants to move to is completely vacated
- Moves...
Forum: Amiga scene 11 June 2023, 01:37
Replies: 39
Views: 3,849
Posted By NorthWay
I'd back something like this if it was...

I'd back something like this if it was slanted/curved in the front.
I guess that "The Arcade Professional" is still the ultimate stick (and a unicorn as such) that I have to keep trying to find.
Forum: Nostalgia & memories 06 May 2023, 23:37
Replies: 119
Views: 9,423
Posted By NorthWay
That is a long time ago, but I think the dollar...

That is a long time ago, but I think the dollar was somewhere between 6 and 8 NOK. Norwegian TAX was 20% at that time IIRC. You could typically add a 0 to the US price for something with general...
Forum: Nostalgia & memories 06 May 2023, 03:21
Replies: 119
Views: 9,423
Posted By NorthWay
Are you sure about that? The C= 64 dropped to...

Are you sure about that? The C= 64 dropped to 3000 NOK in 1984 which was when it exploded in the Norwegian market. I think near half my class had one at that time.
Forum: Nostalgia & memories 05 May 2023, 14:50
Replies: 119
Views: 9,423
Posted By NorthWay
From what I have seen retrospectively, the UK was...

From what I have seen retrospectively, the UK was "poor" compared to many other places (the non-abundance of refridgerators around 1970 etc) and as such much more price-sensitive. As the 80s went by...
Forum: Amiga scene 01 May 2023, 17:33
Replies: 27
Views: 3,281
Posted By NorthWay
Are the colours equally horrible on a real CRT?

Are the colours equally horrible on a real CRT?
Forum: News 27 April 2023, 18:54
Replies: 140
Views: 23,171
Posted By NorthWay
Just got mine. It is a matt black, soft...

Just got mine. It is a matt black, soft plastic/rubbery surface. I guess I would have prefered a smooth glossy one if offered.
Of course I'm out of AAA batteries right now so the testing will have...
Forum: News 22 April 2023, 23:44
Replies: 140
Views: 23,171
Posted By NorthWay
Got my tracking number on Monday. All should be...

Got my tracking number on Monday. All should be out by now.
Forum: support.Hardware 22 April 2023, 20:34
Replies: 9
Views: 1,141
Posted By NorthWay
The developer of THOR had a glossy black CDTV...

The developer of THOR had a glossy black CDTV keyboard. Nowadays I envy him of that (I didn't back then, but tastes change). (I have no idea if he still has any Amiga gear. He got my working B2000 in...
Forum: Nostalgia & memories 22 April 2023, 18:47
Replies: 285
Views: 28,452
Posted By NorthWay
From ancient memories: Didn't KS 2.x have "Jumpy...

From ancient memories: Didn't KS 2.x have "Jumpy the Magic Timer Device"?
Certain programs assumed they could use a timer and so the OS would switch over to using another timer instead. IIRC. (Which...
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