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Forum: Coders. Asm / Hardware 26 May 2021, 16:23
Replies: 11
Views: 622
Posted By hooverphonique
very exhaustive :great instead of "subq.l...

very exhaustive :great

instead of "subq.l #8,a5", I would write "subq.l #_super_disable-__trap,a5" just to avoid any surprises down the line ;)
Forum: Coders. Asm / Hardware 26 May 2021, 12:21
Replies: 11
Views: 622
Posted By hooverphonique
I thought data cache was disabled until SetPatch...

I thought data cache was disabled until SetPatch was run, but maybe that's only valid for 68040/68060?
Forum: Coders. System 23 May 2021, 21:02
Replies: 16
Views: 800
Posted By hooverphonique
Sounds like a problem with the floppy interface...

Sounds like a problem with the floppy interface on your A1200 then (related to diskchange)..
Forum: Amiga scene 23 May 2021, 20:46
Replies: 16
Views: 1,042
Posted By hooverphonique
It is mostly the other way round - it can help...

It is mostly the other way round - it can help avoiding the cpu being slowed down by memory cycles used by the chipset.
Forum: support.Hardware 21 May 2021, 14:40
Replies: 10
Views: 657
Posted By hooverphonique
No NVRAM in A4000.

No NVRAM in A4000.
Forum: Amiga scene 18 May 2021, 17:33
Replies: 37
Views: 3,329
Posted By hooverphonique
Actually, you can reference them by name. The...

Actually, you can reference them by name. The code below (although for AVR) has a C variable called "mcusr_" which has an alias "mcusr" in the asm code.

__asm__ __volatile__ ( \
...
Forum: Hardware mods 14 May 2021, 11:52
Replies: 126
Views: 28,980
Posted By hooverphonique
I actually thought about this (even the 555 ;-)...

I actually thought about this (even the 555 ;-) when writing my previous comment, but didn't want to suggest you complicating the circuit, but now you suggested it yourself... :D
The question then...
Forum: Hardware mods 13 May 2021, 23:21
Replies: 126
Views: 28,980
Posted By hooverphonique
Well, yes, I did mean a way to switch it on and...

Well, yes, I did mean a way to switch it on and off using a switch or similar, but I understand your comment about drilling holes, etc.
I still think it's a sensible idea to have this option...
Forum: Coders. Asm / Hardware 13 May 2021, 23:08
Replies: 4
Views: 527
Posted By hooverphonique
The thing you did on the CPC was reversing the...

The thing you did on the CPC was reversing the direction of EITHER the source or destination pointer. When you set the blitter to DESC mode, you reverse the direction of both/all pointers ;)
Forum: Hardware mods 12 May 2021, 22:29
Replies: 126
Views: 28,980
Posted By hooverphonique
Congratulations, great stuff! Now I guess i need...

Congratulations, great stuff! Now I guess i need to try to build one of these (when you release it) for my recently acquired A500 :cool
Is there an option to switch to 7MHz (or use A500 AS/DTACK) in...
Forum: Coders. General 11 May 2021, 09:48
Replies: 17
Views: 994
Posted By hooverphonique
Depending on how you look at it, yes - the first...

Depending on how you look at it, yes - the first byte of the first code hunk content is the starting instruction, but each hunk starts with 2 longs which are the size of the hunk and a pointer to the...
Forum: support.Other 07 May 2021, 23:01
Replies: 8
Views: 709
Posted By hooverphonique
I was just suggesting sed to indicate a type of...

I was just suggesting sed to indicate a type of tool which may be of help - sed is typically found on unix/linux systems. It's probably also available for amiga.


something like "sed -z...
Forum: support.Other 07 May 2021, 22:01
Replies: 8
Views: 709
Posted By hooverphonique
Maybe you could pass the output through a...

Maybe you could pass the output through a script/tool (like 'sed') to replace '\n' with '*n'
Forum: project.Amiga Game Factory 06 May 2021, 11:02
Replies: 105
Views: 11,936
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: 161
Views: 15,354
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: 805
Views: 149,028
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: 358
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: 687
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: 12,379
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: 38
Views: 3,523
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: 38
Views: 3,523
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: 12,379
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: 560
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: 361
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: 126
Views: 28,980
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: 126
Views: 28,980
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: 12,047
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: 806
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: 1,485
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: 195,401
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: 25,493
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: 1,192
Posted By hooverphonique
Sure :D That's cool!

Sure :D


That's cool!
Forum: Hardware mods 11 March 2021, 11:24
Replies: 8
Views: 1,192
Posted By hooverphonique
or erased/empty..

or erased/empty..
Forum: support.Hardware 09 March 2021, 23:40
Replies: 15
Views: 974
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: 850
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: 850
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: 850
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: 9,851
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: 3,014
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: 249
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"..
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