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Search: Posts Made By: Mathesar
Forum: support.Hardware 19 February 2020, 20:50
Replies: 7
Views: 244
Posted By Mathesar
BTW, LOVE your explanation of the kickstart...

BTW, LOVE your explanation of the kickstart patch. Goes right into my archive for future reference.
Forum: support.Hardware 19 February 2020, 20:45
Replies: 7
Views: 244
Posted By Mathesar
What's up with the bypass diode patch? The...

What's up with the bypass diode patch?
The original design didn't have them but Motorola recommends them.
Are they needed? Did you have any problems otherwise?
Forum: support.Hardware 19 February 2020, 20:36
Replies: 12
Views: 680
Posted By Mathesar
I have a rev 5 and severe vertical lines that...

I have a rev 5 and severe vertical lines that annoy me a lot.
I have often wondered what the cause of these lines is. When you look at the Amiga 500 schematics you'll see that the video signal from...
Forum: News 17 February 2020, 21:33
Replies: 83
Views: 7,550
Posted By Mathesar
Just checked and yes it does unfortunately... ...

Just checked and yes it does unfortunately...
However, the 68020-68040 version does run now on my 68LC060 (REALLY GREAT JOB!) but very, very slow.
Looking at the makefile it seems like an easy job...
Forum: News 17 February 2020, 10:24
Replies: 7
Views: 630
Posted By Mathesar
Terrific work, gonna try this evening.

Terrific work, gonna try this evening.
Forum: News 16 February 2020, 22:15
Replies: 83
Views: 7,550
Posted By Mathesar
Super, great work :bowdown! And a new iBrowse...

Super, great work :bowdown! And a new iBrowse version too :D. Gonna try it out straight away.
Does the 060 optimized version need an FPU? Eg, does it work on an 68LC060?
Forum: support.Hardware 16 February 2020, 21:34
Replies: 2
Views: 210
Posted By Mathesar
Thanks, updated start post.

Thanks, updated start post.
Forum: support.Hardware 16 February 2020, 17:14
Replies: 2
Views: 210
Posted By Mathesar
Refresh "feature" on A501?

Hi,

I am trying to understand why the refresh feature on the Commodore A501 trapdoor memory expansion is needed. Can anyone shed a light on this?

Update, new theory, thanks to cmorley.
Old...
Forum: Hardware mods 13 February 2020, 20:59
Replies: 74
Views: 10,809
Posted By Mathesar
To go beyond 14Mhz would probably be better done...

To go beyond 14Mhz would probably be better done by a proper, modern pll.
But for a simple, old school doubler the 4046 would do the job.
Forum: Hardware mods 12 February 2020, 13:51
Replies: 74
Views: 10,809
Posted By Mathesar
Naah, too easy ;) But probably even better than...

Naah, too easy ;) But probably even better than this:...
Forum: Hardware mods 12 February 2020, 12:35
Replies: 74
Views: 10,809
Posted By Mathesar
Nothing that can't be fixed. I have an idea for a...

Nothing that can't be fixed. I have an idea for a better (and still simple!) clock doubler that does work and uses somewhat period-correct parts :D
Forum: Hardware mods 11 February 2020, 22:59
Replies: 172
Views: 9,754
Posted By Mathesar
Pressing the nuke button in Lemmings when you...

Pressing the nuke button in Lemmings when you have a 100 of them out...
Forum: support.Apps 11 February 2020, 16:37
Replies: 62
Views: 9,688
Posted By Mathesar
Maybe. But the issue was that AmiSSL V4 does not...

Maybe. But the issue was that AmiSSL V4 does not work without an fpu. So I guess he need testers with an 030 only (or ec040 / lc060...)
Forum: Amiga scene 11 February 2020, 14:36
Replies: 316
Views: 37,417
Posted By Mathesar
*bump* Any updates?

*bump*

Any updates?
Forum: support.Apps 11 February 2020, 09:37
Replies: 62
Views: 9,688
Posted By Mathesar
So, there is a new AmiSSL version in the works? ...

So, there is a new AmiSSL version in the works?
Pity I don't have a 030 to test with.
Forum: Hardware mods 10 February 2020, 09:49
Replies: 172
Views: 9,754
Posted By Mathesar
I guess I will need a new soldering iron then...

I guess I will need a new soldering iron then :laughing
66145
Forum: Hardware mods 09 February 2020, 22:42
Replies: 172
Views: 9,754
Posted By Mathesar
Well... I happen to have acces to a vaporphase...

Well... I happen to have acces to a vaporphase oven at work :D..

But seriously, FPGA boards all follow the same recipe: Power supply, FPGA, SDRAM, flash. And, in the case of Amiga FPGA boards:...
Forum: Hardware mods 09 February 2020, 14:57
Replies: 74
Views: 10,809
Posted By Mathesar
Tempting isn't it????? I think this kinda...

Tempting isn't it?????
I think this kinda worked in 1992... if you used the motherboard 14MHz clock instead of the local doubled clock.
Combine this with Mika's A500ide and you have a nice...
Forum: Hardware mods 09 February 2020, 14:54
Replies: 172
Views: 9,754
Posted By Mathesar
Please let everything for Amiga be open source...

Please let everything for Amiga be open source from now on...
No closed hardware anymore!
Forum: support.Apps 09 February 2020, 14:23
Replies: 62
Views: 9,688
Posted By Mathesar
Fpu

Sorry to revive an old thread but is there any news regarding the AmiSSL V4 FPU issue?


I would really like to register iBrowse 2.5 to finally be able to visit https sites again.
Forum: Hardware mods 06 February 2020, 22:26
Replies: 74
Views: 10,809
Posted By Mathesar
Hi, and welcome to EAB! I don't know the...

Hi, and welcome to EAB!
I don't know the license status of this driver. However, i think it is ok to tinker with it. So you have been playing with it as well? I also had to adjust some delays as in...
Forum: Hardware mods 06 February 2020, 22:06
Replies: 172
Views: 9,754
Posted By Mathesar
Werewolf? :D

Werewolf? :D
Forum: support.Hardware 01 February 2020, 09:51
Replies: 22
Views: 1,451
Posted By Mathesar
I agree that it makes little sense to develop FPU...

I agree that it makes little sense to develop FPU emulating libraries. Too much work for too little benefit.
It is probably a better idea that developers just use the math libraries instead of...
Forum: support.Hardware 29 January 2020, 22:28
Replies: 22
Views: 1,451
Posted By Mathesar
True, 060 demos often expect an FPU. However,...

True, 060 demos often expect an FPU. However, they often also expect AGA. So with my A3000 I can't run any of these high-end demos anyway.
I never played quake on a 060, isn't a 060 too slow for...
Forum: support.Hardware 28 January 2020, 21:49
Replies: 22
Views: 1,451
Posted By Mathesar
Why no love for the MC68LC060?

Last year I finalized my A3660 build for my A3000.
I used an 68LC060 without FPU. Reason being that I didn't need to change my ROM's and because they are cheaper than full 060's.

However, I...
Forum: Hardware mods 12 January 2020, 21:39
Replies: 74
Views: 10,809
Posted By Mathesar
Well, you did try :bowdown But there is indeed...

Well, you did try :bowdown
But there is indeed more than one problem in this accelerator. :sad
Forum: Hardware mods 12 January 2020, 09:55
Replies: 74
Views: 10,809
Posted By Mathesar
Any progress?

Any progress?
Forum: Hardware mods 04 January 2020, 22:49
Replies: 74
Views: 10,809
Posted By Mathesar
The problem is not the 74F86 which is fast enough...

The problem is not the 74F86 which is fast enough to handle 14MHz.
The problem is that the rc delay is too long. On U4C on above schematic two versions of the 7MHz clock are put in, the original one...
Forum: Hardware mods 04 January 2020, 09:58
Replies: 74
Views: 10,809
Posted By Mathesar
Afaik it wasn't tested indeed. However, now the...

Afaik it wasn't tested indeed. However, now the challenge is to debug it :).

First we need to know how it works. As far as I can tell:

The JK flipflip connecting to SW_E14 / E_OUT is to divide...
Forum: Amiga scene 30 December 2019, 21:46
Replies: 316
Views: 37,417
Posted By Mathesar
Plays very nice! I was expecting some quick...

Plays very nice! I was expecting some quick levels to showcase the engine but this plays better that I thought! Once passed the graveyard the baddies become tougher very quickly.
This promises a lot...
Forum: Amiga scene 30 December 2019, 21:34
Replies: 316
Views: 37,417
Posted By Mathesar
A video!!!! :bowdown Finally :laughing I...

A video!!!! :bowdown Finally :laughing

I must say that you Sir, are a perfectionist! Nothing wrong with this video. Precise and to the point, I like it :great. If I would have to give any feedback...
Forum: Amiga scene 12 December 2019, 20:27
Replies: 316
Views: 37,417
Posted By Mathesar
Any news? Video's? Demo's?

Any news?
Video's?
Demo's?
Forum: support.Demos 30 November 2019, 21:40
Replies: 15
Views: 2,188
Posted By Mathesar
Isn't that just a bad disk? Had that error as...

Isn't that just a bad disk? Had that error as well but after I rewrote the ADF it was gone.
Forum: Amiga scene 29 November 2019, 09:59
Replies: 316
Views: 37,417
Posted By Mathesar
:laughing

:laughing
Forum: Amiga scene 27 November 2019, 22:09
Replies: 316
Views: 37,417
Posted By Mathesar
I am checking here every day!

I am checking here every day!
Forum: Hardware mods 04 November 2019, 21:40
Replies: 74
Views: 10,809
Posted By Mathesar
Weird, what version are you using and what...

Weird, what version are you using and what exactly doesn't work?

I just tried in 4.0.7 and it works fine!
Forum: Hardware mods 04 November 2019, 20:34
Replies: 74
Views: 10,809
Posted By Mathesar
Here is the KiCad project for anyone that is...

Here is the KiCad project for anyone that is interested.
65091
Forum: support.Demos 28 October 2019, 10:23
Replies: 15
Views: 2,188
Posted By Mathesar
See my signature, is that an interesting setup...

See my signature, is that an interesting setup for you to test on?
If so I'll be happy to test it!
Forum: support.Hardware 23 October 2019, 09:26
Replies: 20
Views: 1,013
Posted By Mathesar
Mine looked like that as well. Sandpapered and...

Mine looked like that as well. Sandpapered and remarked…
But, mine was genuine!
Forum: support.Hardware 11 October 2019, 22:14
Replies: 24
Views: 2,139
Posted By Mathesar
I have an 68010 in my 500. It doesn't run...

I have an 68010 in my 500.
It doesn't run noticably faster but it does make the F10/prtscreen "quit" keys work in WHDload which is convenient.
I have not noticed any compatibility issues so far...
Showing results 1 to 40 of 258

 
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