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Forum: project.Amiga Game Factory Yesterday, 11:02
Replies: 96
Views: 7,145
Posted By hooverphonique
Did you use the OS when adding your ISRs, or did...

Did you use the OS when adding your ISRs, or did you modify the vectors directly?


https://wiki.amigaos.net/wiki/Exec_Interrupts
Forum: Amiga scene 05 May 2021, 21:23
Replies: 101
Views: 7,326
Posted By hooverphonique
From what I've understood from the...

From what I've understood from the LoadView-thread, you're hitting the hardware directly, thus it won't work being promoted to an RTG screenmode - it'll probably work on an RTG-system in a native...
Forum: Amiga scene 03 May 2021, 13:59
Replies: 761
Views: 138,218
Posted By hooverphonique
One of the things that make Fears look bad is...

One of the things that make Fears look bad is that the perspective of the fixed shotgun barrels doesn't match the perspective of scene..
Forum: support.Hardware 03 May 2021, 10:23
Replies: 5
Views: 228
Posted By hooverphonique
You mean head stepping? There's no feedback on...

You mean head stepping? There's no feedback on that, so as long as it works, it is fast enough, and making it faster doesn't make any difference as the OS uses a fixed delay between steps.

If it...
Forum: Coders. AMOS 01 May 2021, 12:56
Replies: 7
Views: 367
Posted By hooverphonique
use a machine code monitor program or similar -...

use a machine code monitor program or similar - it will show you the assembly in the generated executable..
Forum: Hardware mods 28 April 2021, 21:14
Replies: 96
Views: 10,098
Posted By hooverphonique
Yes, if the Buffee does something different when...

Yes, if the Buffee does something different when piggybacked on this TF device than it would when acting as a plain 7MHz 68k, then of course you can do all sorts of tricks ;)

My train of thought...
Forum: Coders. Asm / Hardware 28 April 2021, 21:08
Replies: 28
Views: 2,199
Posted By hooverphonique
Ahh, that one, yes - there is a recent thread on...

Ahh, that one, yes - there is a recent thread on here discussing that..
Forum: Coders. Asm / Hardware 28 April 2021, 16:17
Replies: 28
Views: 2,199
Posted By hooverphonique
If the bug in question is what I think it is, it...

If the bug in question is what I think it is, it can only happen when you write COPxJMP with the cpu while the blitter is active; I never heard of writing to COPxLC proposed any danger.
Forum: Hardware mods 28 April 2021, 15:58
Replies: 96
Views: 10,098
Posted By hooverphonique
It would have poor memory bandwidth, but if the...

It would have poor memory bandwidth, but if the accel has tons of cache, maybe it doesn't matter much. I could see some potential issues with C2P stuff, though..
Forum: Hardware mods 22 April 2021, 21:19
Replies: 2
Views: 273
Posted By hooverphonique
I had this on my A500 (or was it on the A2000?)...

I had this on my A500 (or was it on the A2000?) back in the day - worked fairly well, as far as I remember.
Forum: support.Hardware 20 April 2021, 18:29
Replies: 3
Views: 305
Posted By hooverphonique
most likely the software not being...

most likely the software not being 68040-compatible..
Forum: Hardware mods 19 April 2021, 10:09
Replies: 111
Views: 24,641
Posted By hooverphonique
Yes, I meant phase/timing of E compared to 7M :) ...

Yes, I meant phase/timing of E compared to 7M :)

ACT has strong output drive, so make sure that it's not just the speed/tpd causing problems - you could have reflections on signals generated by...
Forum: Hardware mods 15 April 2021, 22:17
Replies: 111
Views: 24,641
Posted By hooverphonique
How does the generated E-clock relate to the...

How does the generated E-clock relate to the orignal 7MHz clock as compared to a standard amiga?
Forum: Hardware mods 09 April 2021, 13:39
Replies: 101
Views: 10,345
Posted By hooverphonique
HC aren't 5V tolerant when powered from 3,3V. ...

HC aren't 5V tolerant when powered from 3,3V.
HCT are TTL compatible, but must be powered from ~5V, so they won't work either.
Additionally, HC(T) are much slower than LVC - how much of a role that...
Forum: support.Hardware 09 April 2021, 13:19
Replies: 14
Views: 733
Posted By hooverphonique
Actually, booting to "workbench animation" is...

Actually, booting to "workbench animation" is "less" than booting to AmigaDOS - the "workbench animation" is in ROM, and is shown when no bootable media can be found. Obviously, you have a bootable...
Forum: Coders. Releases 05 April 2021, 13:22
Replies: 18
Views: 1,181
Posted By hooverphonique
Lovely little intro - is the light-sourced vector...

Lovely little intro - is the light-sourced vector a HAM-fill trick?

And thanks for the shout-out :-)
Forum: Coders. C/C++ 27 March 2021, 22:36
Replies: 1,279
Views: 190,784
Posted By hooverphonique
You could configure your compiler to use the same...

You could configure your compiler to use the same char signedness as the prototypes for those functions, perhaps..
Forum: Hardware mods 17 March 2021, 10:24
Replies: 161
Views: 24,300
Posted By hooverphonique
Interesting idea - you could try having a bare...

Interesting idea - you could try having a bare pcb (castellations only) made to see if it connects correctly to the socket with a 1.2mm spacer underneath..
Forum: Hardware mods 11 March 2021, 14:09
Replies: 8
Views: 1,032
Posted By hooverphonique
Sure :D That's cool!

Sure :D


That's cool!
Forum: Hardware mods 11 March 2021, 11:24
Replies: 8
Views: 1,032
Posted By hooverphonique
or erased/empty..

or erased/empty..
Forum: support.Hardware 09 March 2021, 23:40
Replies: 12
Views: 730
Posted By hooverphonique
I suspect it's the specific pixel color...

I suspect it's the specific pixel color transitions causing the glitches, like e.g. high contrast ones - you compared different versions of xcopy - do they have the exact same graphics in the glitchy...
Forum: support.Hardware 06 March 2021, 11:23
Replies: 15
Views: 794
Posted By hooverphonique
If I'm not completely crazy, the clock for the...

If I'm not completely crazy, the clock for the flipflops is twice (14MHz) the frequency of the clock going to the Pi (PiClk), hence my assumption that it samples on both edges (to support hires).
...
Forum: support.Hardware 05 March 2021, 11:27
Replies: 15
Views: 794
Posted By hooverphonique
Yes, I noticed you posted an image of your board...

Yes, I noticed you posted an image of your board in another thread some days ago - Nice! I will star your repository and have a closer look later this weekend, but it seems you're generating 7M by...
Forum: support.Hardware 04 March 2021, 21:38
Replies: 15
Views: 794
Posted By hooverphonique
So I received my prototype pcb's for my attempt...

So I received my prototype pcb's for my attempt at a videoslot version of the RGBtoHDMI project today.
Instead of immediately populating a pcb, I dug out my oscilloscope and added some patch wires...
Forum: Coders. General 03 March 2021, 09:49
Replies: 199
Views: 8,856
Posted By hooverphonique
I would suggest using a newer gcc if...

I would suggest using a newer gcc if cross-compilation is ok, as they produce much better code..
Forum: Amiga scene 26 February 2021, 09:50
Replies: 34
Views: 2,879
Posted By hooverphonique
If you mean the reflective vector objects,...

If you mean the reflective vector objects, they're "just" stencil vectors, i.e. instead of filling with a solid color, you fill with a bitmap - it does look rather convincing, though :)
Forum: support.Hardware 25 February 2021, 17:12
Replies: 3
Views: 227
Posted By hooverphonique
:d :d Edit: what the - when I put in...

:d :d

Edit: what the - when I put in "colonD" it turns the "D" into "d"..
Forum: Coders. Asm / Hardware 24 February 2021, 10:19
Replies: 10
Views: 821
Posted By hooverphonique
@daniel which means that you need the first fetch...

@daniel which means that you need the first fetch to be 64 pixels *before* $38, and that's where you lose the sprites..
Forum: Coders. Asm / Hardware 20 February 2021, 11:54
Replies: 51
Views: 3,786
Posted By hooverphonique
I like it :)

I like it :)
Forum: Coders. Asm / Hardware 19 February 2021, 21:58
Replies: 51
Views: 3,786
Posted By hooverphonique
What is the addx for? Isn't the flipped word in...

What is the addx for? Isn't the flipped word in d0 before addx?
Forum: support.Hardware 13 February 2021, 16:50
Replies: 15
Views: 794
Posted By hooverphonique
Thanks.. Yes, quite a long thread there...

Thanks.. Yes, quite a long thread there...
Forum: support.Hardware 13 February 2021, 16:48
Replies: 15
Views: 794
Posted By hooverphonique
Most likely, yes. and the non-inverted CDAC is ...

Most likely, yes. and the non-inverted CDAC is the one available at the videoslot, so that would make it trail 7M.
Forum: support.Hardware 13 February 2021, 15:50
Replies: 15
Views: 794
Posted By hooverphonique
Thanks. I already stumpled on that other...

Thanks.

I already stumpled on that other thread, but can't find those documents on the file server.. There's no 'Commodore_Amiga' root directory.


"Shifting it by 90 degrees" - yes, but in...
Forum: support.Hardware 13 February 2021, 10:29
Replies: 15
Views: 794
Posted By hooverphonique
Hmm... I found this ...

Hmm... I found this (http://www.devili.iki.fi/mirrors/haynie/systems/amiga2k/docs/video.txt)earlier, which seems to be straight from the horses mouth, but something's weird about the description of...
Forum: support.Hardware 13 February 2021, 00:17
Replies: 15
Views: 794
Posted By hooverphonique
Requesting info on video slot clocks

Is there any (C= official?) timing diagrams available for the video clock signals (CDAC, C1, C3, C4, C28O) showing the relationship of these to the digital RGB outputs of Denise/Lisa?


For...
Forum: Coders. Asm / Hardware 12 February 2021, 21:04
Replies: 12
Views: 1,056
Posted By hooverphonique
And not forgetting setting the VBR to zero. ...

And not forgetting setting the VBR to zero.

I wrote the degrader tool called Embedder, but I don't recall having the SR trap in there - I think it only resets the viewport, vbr and disables caches.
Forum: support.Hardware 12 February 2021, 15:22
Replies: 24
Views: 1,168
Posted By hooverphonique
On the rev 8 there has to be jumpers to switch...

On the rev 8 there has to be jumpers to switch between 512kB/512kB and 1MB since it's used for both A500 and A500+ - I think you need a trapdoor expansion for the 512kB slowfast though (rendering...
Forum: support.Hardware 12 February 2021, 13:23
Replies: 24
Views: 1,168
Posted By hooverphonique
Where in the memory space the trapdoor expansion...

Where in the memory space the trapdoor expansion ends up is configured by motherboard jumpers - it isn't affected by agnus revision (but you still need a 8372a for 1MB chip, of course).
Forum: News 10 February 2021, 18:27
Replies: 24
Views: 2,985
Posted By hooverphonique
Thanks. The thing with AGA is that the clocks...

Thanks. The thing with AGA is that the clocks available on Lisa pins are a little different - as far as I understand, it mainly runs on the 28Mhz clock (also used as pixel clock) which is also needed...
Forum: News 10 February 2021, 12:10
Replies: 24
Views: 2,985
Posted By hooverphonique
Test/development pcb for a video slot solution...

Test/development pcb for a video slot solution I'm working on that is aimed at all Amigas with video slot. It's prepared to support 24-bit colour, but some changes to the Pi firmware are needed - I...
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