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Search: Posts Made By: hooverphonique
Forum: Coders. Asm / Hardware 03 August 2021, 09:57
Replies: 22
Views: 742
Posted By hooverphonique
That could be the case, of course :)

That could be the case, of course :)
Forum: Coders. Asm / Hardware 02 August 2021, 17:54
Replies: 22
Views: 742
Posted By hooverphonique
So if you install a fast cpu (possibly with rom...

So if you install a fast cpu (possibly with rom in fastram) in an A2000, the keyboard no longer works? I doubt it..
Forum: support.Hardware 28 July 2021, 10:19
Replies: 11
Views: 575
Posted By hooverphonique
I think not - when you apply 3.3V to the base of...

I think not - when you apply 3.3V to the base of the pnp (through a resistor), it will be on because 3.3V < 5V-0.6V, and even if you switch the gpio to input (high impedance), the current will...
Forum: support.Hardware 27 July 2021, 16:57
Replies: 11
Views: 575
Posted By hooverphonique
You can power them using 5V from the Pi, but you...

You can power them using 5V from the Pi, but you still need a transistor (or other switching element) to drive them. Something like the schematic below - the stuff in the box is the existing...
Forum: Coders. Asm / Hardware 26 July 2021, 10:41
Replies: 39
Views: 1,486
Posted By hooverphonique
You misunderstood what a/b was saying - you need...

You misunderstood what a/b was saying - you need to disable interrupts permanently (i.e. not periodically while reading the keyboard) for his example to work. Please read what people are suggesting...
Forum: Amiga scene 22 July 2021, 11:17
Replies: 939
Views: 169,746
Posted By hooverphonique
Yes, it will sit at $80000 and gets detected by...

Yes, it will sit at $80000 and gets detected by exec just like in an A500+ (it is just the memory normally sitting at $C00000 being remapped to $80000 for the cpu).
Forum: Coders. Asm / Hardware 19 July 2021, 12:08
Replies: 8
Views: 652
Posted By hooverphonique
Maybe, but it's still important that you...

Maybe, but it's still important that you understand what a/b tried to tell you.
All the custom chip registers are read- or write-only, and you need to distinguish between them ;)
Forum: Amiga scene 13 July 2021, 09:56
Replies: 939
Views: 169,746
Posted By hooverphonique
I wonder how they've implemented...

I wonder how they've implemented invalidating/flushing of such a cache, since the OS (or any application software) can't be aware it's there.
Forum: Coders. C/C++ 05 July 2021, 14:24
Replies: 12
Views: 677
Posted By hooverphonique
Looking at what you posted, it sounds to me as...

Looking at what you posted, it sounds to me as MXGroup isn't a boolean, but a number indicating which mutually exclusive group a button is in.
The number should then be assigned to all buttons which...
Forum: support.Hardware 24 June 2021, 11:59
Replies: 14
Views: 985
Posted By hooverphonique
When I bought 3.1 roms some years ago, they...

When I bought 3.1 roms some years ago, they didn't work - turned out, they were labelled the wrong way round, so swapping them did the trick.
Forum: support.Hardware 20 June 2021, 12:53
Replies: 9
Views: 771
Posted By hooverphonique
I have the 64MB mod in mine, and with the system...

I have the 64MB mod in mine, and with the system overclocked to 33MHz, speedramsey isn't reliable (I've got 60ns 16MB SIMMs).
Forum: support.Hardware 19 June 2021, 16:51
Replies: 9
Views: 771
Posted By hooverphonique
Are you talking about the read-waitstate or...

Are you talking about the read-waitstate or 64/112MB mod?
Because the former doesn't work with the Ramsey present in the A4000D, I already tried this while discussing it with SpeedGeek (in a thread...
Forum: Coders. Asm / Hardware 26 May 2021, 16:23
Replies: 11
Views: 1,119
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: 1,119
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: 1,265
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: 1,304
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: 747
Posted By hooverphonique
No NVRAM in A4000.

No NVRAM in A4000.
Forum: Amiga scene 18 May 2021, 17:33
Replies: 42
Views: 4,340
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: 145
Views: 35,012
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: 145
Views: 35,012
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: 837
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: 145
Views: 35,012
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: 1,478
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: 996
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: 996
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: 141
Views: 19,896
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: 165
Views: 18,037
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: 939
Views: 169,746
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: 408
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: 1,122
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: 13,445
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: 4,468
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: 4,468
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: 13,445
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: 620
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: 392
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: 145
Views: 35,012
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: 145
Views: 35,012
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: 102
Views: 14,682
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: 872
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...
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