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Search: Posts Made By: hooverphonique
Forum: Coders. Asm / Hardware 27 January 2020, 14:36
Replies: 9
Views: 279
Posted By hooverphonique
I wouldn't say that 'pairing' as described in the...

I wouldn't say that 'pairing' as described in the article is a 68000 concept; it's rather an artefact of the ST bus design
Forum: support.Hardware 24 January 2020, 18:42
Replies: 177
Views: 23,455
Posted By hooverphonique
Probably not - I think the pinout is wrong. I am...

Probably not - I think the pinout is wrong. I am not sure if you can get 2MB chipmem (total) with the A314 without using an A500+ mobo..
Forum: support.Hardware 24 January 2020, 12:34
Replies: 177
Views: 23,455
Posted By hooverphonique
The A314 works by 'replacing'/extending physical...

The A314 works by 'replacing'/extending physical ram in the machine with its own internal memory. Thus you will get the most out of it by disabling motherboard ram and let the A314 handle all of it.
Forum: support.WinUAE 23 January 2020, 15:04
Replies: 28
Views: 980
Posted By hooverphonique
It's not a NOP - it will read whatever was...

It's not a NOP - it will read whatever was leftover on the bus, and it with d5, then write the result to dmacon.
Forum: Coders. Asm / Hardware 22 January 2020, 15:10
Replies: 17
Views: 462
Posted By hooverphonique
It isn't about alignment/padding, but about only...

It isn't about alignment/padding, but about only considering the low byte when adding the numbers, which is useful if the index register contains other data.
I had a recent case where I needed to...
Forum: Coders. Asm / Hardware 22 January 2020, 12:27
Replies: 17
Views: 462
Posted By hooverphonique
The processor addresses frame relative to the...

The processor addresses frame relative to the address of the move instruction, i.e. an offset - this offset is always 16 bits and thus smaller than the full 32 bit address, i.e. a smaller resulting...
Forum: support.Apps 21 January 2020, 18:22
Replies: 19
Views: 687
Posted By hooverphonique
Interesting - I wasn't aware that DMA load would...

Interesting - I wasn't aware that DMA load would affect custom register access/interrupt latency when running code from fastram - or maybe I just didn't remember :D
Forum: support.Apps 20 January 2020, 22:03
Replies: 19
Views: 687
Posted By hooverphonique
That should only be the case on Amigas without...

That should only be the case on Amigas without fastram.
Forum: support.Games 17 January 2020, 12:30
Replies: 12
Views: 549
Posted By hooverphonique
:great :D:D

:great :D:D
Forum: support.Hardware 16 January 2020, 11:35
Replies: 6
Views: 392
Posted By hooverphonique
yes, buster takes care of communication between...

yes, buster takes care of communication between the zorro slots and the rest of the machine.
Forum: Retrogaming General Discussion 11 January 2020, 23:28
Replies: 5
Views: 666
Posted By hooverphonique
Yes. I think that's referred to as 'stencil...

Yes. I think that's referred to as 'stencil vector' in demoscene jargon.
Forum: Hardware mods 11 January 2020, 18:24
Replies: 29
Views: 6,167
Posted By hooverphonique
Romy compatibility is discussed in detail on page...

Romy compatibility is discussed in detail on page one of this thread.
Forum: Retrogaming General Discussion 11 January 2020, 18:02
Replies: 5
Views: 666
Posted By hooverphonique
Because the dithering can be had more or less for...

Because the dithering can be had more or less for free as part of the vector fill/copy process. The dither pattern is just a static image in memory and used when filling/copying.
Forum: support.Games 09 January 2020, 17:08
Replies: 115
Views: 13,914
Posted By hooverphonique
Is it just me, or does it say 'Ross 128b' in the...

Is it just me, or does it say 'Ross 128b' in the logo!? :D
Forum: support.Hardware 07 January 2020, 13:54
Replies: 31
Views: 941
Posted By hooverphonique
I don't think so.. A/B refers to the logic...

I don't think so.. A/B refers to the logic revision burned onto it by the Baseboard manufacturer, I'd assume.
Forum: Coders. Asm / Hardware 06 January 2020, 12:08
Replies: 33
Views: 1,155
Posted By hooverphonique
+1

+1
Forum: Coders. Asm / Hardware 04 January 2020, 23:57
Replies: 33
Views: 1,155
Posted By hooverphonique
As in 1 word after the address of the opcode...

As in 1 word after the address of the opcode (i.e. the same value as PC) ?
Forum: Coders. Asm / Hardware 04 January 2020, 23:49
Replies: 33
Views: 1,155
Posted By hooverphonique
Maybe a bit OT, but what does the asterisk mean?...

Maybe a bit OT, but what does the asterisk mean? Don't think I've seen that addressing mode before.
Forum: Hardware mods 03 January 2020, 18:15
Replies: 289
Views: 23,047
Posted By hooverphonique
If they're connected between a crystal pin and...

If they're connected between a crystal pin and GND, they're likely to be 22pF. Like shown here: https://www.electronics-tutorials.ws/oscillator/crystal.html
Forum: Coders. Asm / Hardware 03 January 2020, 16:26
Replies: 20
Views: 1,559
Posted By hooverphonique
Of course not - don't know why I was convinced of...

Of course not - don't know why I was convinced of that when I normally use 'vasmm68k_mot' :banghead :shocked :D
Forum: Coders. Asm / Hardware 03 January 2020, 14:37
Replies: 20
Views: 1,559
Posted By hooverphonique
You can switch syntax using command line flags -...

You can switch syntax using command line flags - no need for a different binary.

Edit: This is wrong, of course - don't know what I was thinking :-D
Forum: support.Hardware 03 January 2020, 14:34
Replies: 31
Views: 941
Posted By hooverphonique
mergemem won't work as there's at least 512kB of...

mergemem won't work as there's at least 512kB of free address space between those blocks.

and yes, that is a strange contraption indeed.
Forum: Coders. Asm / Hardware 03 January 2020, 00:10
Replies: 20
Views: 1,559
Posted By hooverphonique
Yeah, no assemblers I know of, support that. ...

Yeah, no assemblers I know of, support that.

The macros only "declare" the struct (actually just offsets to labels); you can't use them to instantiate it, because they are not really types which...
Forum: Coders. Asm / Hardware 30 December 2019, 12:40
Replies: 9
Views: 618
Posted By hooverphonique
Did you think about what you're trying to...

Did you think about what you're trying to achieve? I mean, why use "system takeover" if you actually want Workbench to be available while your program runs?
Forum: support.Hardware 25 December 2019, 23:04
Replies: 3
Views: 385
Posted By hooverphonique
the user 'catphish' on here is working on a...

the user 'catphish' on here is working on a solution for something like this using an STM32 microcontroller. I don't know how much is publicly available though, but there's a few posts by him/her.
Forum: Coders. Asm / Hardware 23 December 2019, 15:58
Replies: 11
Views: 581
Posted By hooverphonique
you can't use dos.library without multitasking...

you can't use dos.library without multitasking enabled, so yes, interrupt(s) need to be on during dos I/O. Either INT2 or 6 is generally sufficient, I can't remember which of the two.
Forum: Coders. General 20 December 2019, 11:35
Replies: 153
Views: 17,313
Posted By hooverphonique
For what voxel terrain operation(s) did you use...

For what voxel terrain operation(s) did you use the blitter?
Forum: Coders. General 19 December 2019, 17:41
Replies: 153
Views: 17,313
Posted By hooverphonique
I think they mentioned in the video that AGA runs...

I think they mentioned in the video that AGA runs at 'normal' speed, it's just cpu<->chipram access which is faster.
Forum: Coders. C/C++ 18 December 2019, 22:51
Replies: 13
Views: 824
Posted By hooverphonique
String literals are a special case, and they...

String literals are a special case, and they become heap-allocated objects.

You could use compiler explorer (e.g. godbolt.org) to check this kind of thing with different compilers and options.
...
Forum: Coders. C/C++ 18 December 2019, 11:57
Replies: 13
Views: 824
Posted By hooverphonique
Normally the compiler will reserve space on the...

Normally the compiler will reserve space on the stack for the array when you enter the function, then initialize it in the if-block, but I'm not sure if it could repurpose the stack space between the...
Forum: support.Hardware 17 December 2019, 13:48
Replies: 13
Views: 481
Posted By hooverphonique
Is the gotek able to generate the ID stream?...

Is the gotek able to generate the ID stream? should be trivial to have in its firmware..
Forum: Coders. System 16 December 2019, 12:22
Replies: 8
Views: 538
Posted By hooverphonique
I know it's not an example, but is the info...

I know it's not an example, but is the info (http://amigadev.elowar.com/read/ADCD_2.1/Libraries_Manual_guide/node036B.html) in the RKM/Autodocs not sufficient?
It says that the registers are the...
Forum: Hardware mods 13 December 2019, 14:08
Replies: 4
Views: 522
Posted By hooverphonique
Sounds like the fan works, but the Amiga won't...

Sounds like the fan works, but the Amiga won't boot - then I don't think it's anything to do with PSU protection mode.

Are you using the original A2000 PSU? If so, maybe the noctua fan is causing...
Forum: Hardware mods 04 December 2019, 18:35
Replies: 27
Views: 2,061
Posted By hooverphonique
Looks like one of your images is inverted - VCC...

Looks like one of your images is inverted - VCC has copper marked white, and I think OVV has copper marked black.



Why doesn't that count? - it's not like you go around and rename your layers...
Forum: Hardware mods 04 December 2019, 16:02
Replies: 27
Views: 2,061
Posted By hooverphonique
Yes, it indeed looks like the traces for VCC and...

Yes, it indeed looks like the traces for VCC and OVV belong on the same layer - maybe they were separated in the pcb explorer to make it clearer, that they are different voltages?

@cd32freak: you...
Forum: Coders. Asm / Hardware 04 December 2019, 12:10
Replies: 12
Views: 911
Posted By hooverphonique
This doesn't sound right, I think your problem is...

This doesn't sound right, I think your problem is not at which exact time you set COP1LC, but something else.


Btw, you mention cop1lcH, but the full 24 bit pointer is COP1LC - are you only...
Forum: Coders. Asm / Hardware 27 November 2019, 22:56
Replies: 7
Views: 651
Posted By hooverphonique
I'm pretty sure I always used the second method..

I'm pretty sure I always used the second method..
Forum: Coders. General 27 November 2019, 22:51
Replies: 4
Views: 574
Posted By hooverphonique
That's good news. I wonder if Microchip will make...

That's good news. I wonder if Microchip will make sure, the AVR backend is ported to the current representation!?
Forum: Coders. General 27 November 2019, 22:44
Replies: 106
Views: 3,954
Posted By hooverphonique
Interesting - I actually earlier pondered asking...

Interesting - I actually earlier pondered asking the compiler explorer team to include an m68k gcc on godbolt.org ;)
Now we just need it to generate motorola syntax :D
Forum: Coders. General 27 November 2019, 16:24
Replies: 106
Views: 3,954
Posted By hooverphonique
According to Bartman, it can - after benchmarking...

According to Bartman, it can - after benchmarking gcc 4,6, and 8 (I think - or maybe it was 6/7/8), he deemed that only 8 was good enough for demomaking, thus did the 8.3 vscode thing.

EDIT:...
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