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Search: Posts Made By: wolfchild
Forum: Hardware mods 24 March 2018, 11:24
Replies: 4,059
Views: 428,276
Posted By wolfchild
Weekend challenge proposals

@plasmab I have a couple of ideas to put forward for the weekend challenge.
* Possibility to piggy back the original 68k to allow disabling the TF534. (Why throw the old CPU away?)
* PCB layout for...
Forum: request.Apps 22 March 2018, 22:11
Replies: 0
Views: 631
Posted By wolfchild
Looking for a copiers/utility disk by TFS

Hi,

I am looking for a DOS bootable compilation disk by TFS (The Fire Starters) which had a number of disk copiers, debuggers and assemblers. I seem to recall that it had a CLI palette of black...
Forum: Hardware mods 21 March 2018, 22:13
Replies: 4,059
Views: 428,276
Posted By wolfchild
Nice! This is the board I look forward to build...

Nice! This is the board I look forward to build :) It's planned to have 4MB RAM, right?
Ed
Forum: Hardware mods 08 July 2017, 08:55
Replies: 4,059
Views: 428,276
Posted By wolfchild
What about this for layout inspiration? ...

What about this for layout inspiration?
http://www.bigbookofamigahardware.com/bboah/product.aspx?id=95

They left an unused border towards the bottom.
Forum: Hardware mods 22 June 2017, 20:01
Replies: 4,059
Views: 428,276
Posted By wolfchild
@edzine, are those RAM chips identical in...

@edzine, are those RAM chips identical in operation to the AS7C4096B chips in the BOM? They do have a really good price, though!
Forum: Hardware mods 26 May 2017, 15:59
Replies: 4,059
Views: 428,276
Posted By wolfchild
Thumbs up Totally agree!

Totally agree!
Forum: Hardware mods 20 May 2017, 10:07
Replies: 4,059
Views: 428,276
Posted By wolfchild
Sorry for any confusion about the A variant. The...

Sorry for any confusion about the A variant. The info about the -V not having an FPU is in the data sheet.
Forum: Hardware mods 20 May 2017, 09:09
Replies: 4,059
Views: 428,276
Posted By wolfchild
@Tachyon, be careful in your purchase as the...

@Tachyon, be careful in your purchase as the MC68040FE33V lacks the FPU. You would probably want the variant which ends with the A suffix and not V!

EDIT: Only the -V variant operates at 3.3V. ...
Forum: Hardware mods 14 May 2017, 13:24
Replies: 4,059
Views: 428,276
Posted By wolfchild
ab;1157715]I think Jens has a faster 1200 030...

ab;1157715]I think Jens has a faster 1200 030 [/QUOTE]
True, Jens has provided all info here, along with AIBB comparison files.
http://wiki.icomp.de/wiki/ACA1232#ACA_12xx_Benchmarks

The TF530...
Forum: Hardware mods 13 May 2017, 21:54
Replies: 4,059
Views: 428,276
Posted By wolfchild
Some things have no value, but they are...

Some things have no value, but they are priceless. Yours is probably the fastest an Amiga 030 has ever been at. All traditional designs are hampered down by old tech memory, while the TF530 is...
Forum: Hardware mods 13 May 2017, 21:11
Replies: 4,059
Views: 428,276
Posted By wolfchild
Amazing work plasmab! Out of curiosity, what...

Amazing work plasmab!

Out of curiosity, what is it that mandates the use of wait states? Is it the RAM access time, or the CPLD speed grade? I believe there is a variant of the CPLD with just...
Forum: Hardware mods 01 May 2017, 17:36
Replies: 4,059
Views: 428,276
Posted By wolfchild
Nice progress plasmab! Quick question...

Nice progress plasmab!

Quick question about memory size. Is it technically possible to add a quick and dirty extra 2MB by piggy-backing 4 extra memory chips and routing their CS pins to the RAM...
Forum: support.Hardware 28 April 2017, 17:41
Replies: 90
Views: 6,970
Posted By wolfchild
Speaking of performance, the 68881/68882 are...

Speaking of performance, the 68881/68882 are indeed pathetic (didn't know they were so bad!).

From http://www.faqs.org/faqs/motorola/68k-chips-faq/:

Floating Point Coprocessor Speeds: (KFLOPS)...
Forum: support.Hardware 28 April 2017, 10:47
Replies: 90
Views: 6,970
Posted By wolfchild
Why? I always thought it nifty to have an...

Why? I always thought it nifty to have an external 68882 FPU. Is it because of rubbish performance, or because of lack of applications that use it?

Ed
Forum: Coders. General 02 July 2016, 12:49
Replies: 2,263
Views: 351,505
Posted By wolfchild
rygar.adf empty

Hi,

Where can one download the latest rygar.adf disk image? The one from google drive (https://drive.google.com/folderview?id=0B034_dPJNj8FeXQyUjRLT2RabmM&usp=sharing) is an empty disk.
Forum: support.Hardware 01 May 2016, 20:11
Replies: 397
Views: 65,256
Posted By wolfchild
Thanks, and looking forward to what is possibly...

Thanks, and looking forward to what is possibly the best and only upgrade needed for my A500 :great

Ed
Forum: support.Hardware 01 May 2016, 10:03
Replies: 397
Views: 65,256
Posted By wolfchild
@Kipper2k: I want to buy an Amiga 500 Vampire. ...

@Kipper2k: I want to buy an Amiga 500 Vampire. Is there a waiting or pre-order list I need to enrol in? Not in any particular hurry, but just decided I want one :)
Forum: Retrogaming General Discussion 11 May 2015, 20:38
Replies: 12
Views: 1,389
Posted By wolfchild
It's looking like a great project and they've...

It's looking like a great project and they've already got backing for a almost a quarter of a million dollars!

I was tempted to buy one but delivery is for next May! That killed the deal for me...
Forum: support.Hardware 26 April 2015, 20:44
Replies: 15
Views: 2,501
Posted By wolfchild
Well, that's the normal equipment needed to check...

Well, that's the normal equipment needed to check oscillator circuit functionality.

On reflection, you may also confirm the fault indirectly by executing SETCLOCK LOAD multiple times from CLI. If...
Forum: support.Hardware 25 April 2015, 17:29
Replies: 15
Views: 2,501
Posted By wolfchild
Hi, In addition to kipper2k's tests, you may...

Hi,

In addition to kipper2k's tests, you may want to check that the RTC crystal (Y9) is intact and that the trimmer (TC9) is not covered in corrosion.

My opinion is that the while the RTC chip...
Forum: support.Hardware 23 April 2015, 23:14
Replies: 7
Views: 1,939
Posted By wolfchild
Hi! Glad to help! :) I'd bet it's the home...

Hi! Glad to help! :)

I'd bet it's the home box unit that causes the crosstalk between its video signal and the Amiga's. I guess it's some kind of TV / satellite or cable decoder?

If your TV...
Forum: support.Hardware 22 April 2015, 23:50
Replies: 6
Views: 1,300
Posted By wolfchild
Thanks Jope for taking time to answer my long...

Thanks Jope for taking time to answer my long list of questions :)

Today I found lots of detailed info about Commodore's PC/XT bridgeboard. Section 4.1 of the official A500/A2000 Technical...
Forum: support.Hardware 21 April 2015, 22:05
Replies: 7
Views: 1,939
Posted By wolfchild
That interference looks like crosstalk from...

That interference looks like crosstalk from another video input source on the TV. I do get it on my CRT TV when multiple inputs are active.

The ghost could be originating from the TV tuner input...
Forum: support.Hardware 14 April 2015, 23:56
Replies: 6
Views: 1,300
Posted By wolfchild
Bridgeboard question

Just for technical curiosity I was wondering how bridgeboards work on the Amiga. This is a very interesting subject as it could be a way of extending an Amiga's functionality today given the...
Forum: Nostalgia & memories 21 August 2014, 22:06
Replies: 277
Views: 39,311
Posted By wolfchild
Gobliins 2. The first level was quite tricky but...

Gobliins 2. The first level was quite tricky but fun. The puzzles on the remaining levels were totally nonsense and random.

I remember my brother and I agreeing what a load of tosh it was when we...
Forum: Amiga scene 01 August 2014, 20:20
Replies: 53
Views: 12,089
Posted By wolfchild
Interesting project you have here K.C.Lee. I...

Interesting project you have here K.C.Lee. I don't think Majsta needs an FPGA Arcade ;) He's done his fair share of FPGA development for the Amiga... http://majsta.com

Cheers and good work man!...
Forum: Coders. General 17 August 2011, 22:56
Replies: 91
Views: 24,555
Posted By wolfchild
The processing at line 60 to 90 is probably quite...

The processing at line 60 to 90 is probably quite time consuming for the CPU since you do a division, a sin(), a multiplication and an addition in each one. This would be especially expensive if the...
Forum: Coders. General 04 August 2011, 18:10
Replies: 19
Views: 2,809
Posted By wolfchild
Well, in my opinion, the only benefit would be...

Well, in my opinion, the only benefit would be the extra colour range available to you. Palette size would, in theory increase as well, though not all extra colours would be usable due to flicker.
...
Forum: Coders. General 04 August 2011, 14:32
Replies: 19
Views: 2,809
Posted By wolfchild
@pmc I was wondering if you tried my program on...

@pmc
I was wondering if you tried my program on an Amiga or under emulation. Did you get occasional flicker?

The software generates two 16-colour screens and alternates between them on each...
Forum: Coders. General 03 August 2011, 23:32
Replies: 19
Views: 2,809
Posted By wolfchild
As promised, here is an Amiga executable that...

As promised, here is an Amiga executable that shows 32 shades of gray rather than the normal 16.

For best results use it on a real Amiga or under emulation where the monitor refresh is synced to...
Forum: Coders. General 02 August 2011, 22:18
Replies: 19
Views: 2,809
Posted By wolfchild
What you're doing is very interesting. Maybe...

What you're doing is very interesting. Maybe this is good timing (pun intended), as recently I was experimenting with a way of obtaining 15-bit colour output on ECS Amigas. This would probably...
Forum: Coders. General 26 July 2011, 12:53
Replies: 62
Views: 7,371
Posted By wolfchild
I would also be interested in giving it a go if...

I would also be interested in giving it a go if MethodGit declines the challenge.

I've never cracked anything, but it's always been a fascination of mine how they do it!
Forum: News 22 July 2011, 20:47
Replies: 32
Views: 25,799
Posted By wolfchild
@mequa Thanks for this great project! It...

@mequa
Thanks for this great project! It brought back some fond memories of my early programming days when programming was easy and fun. :agree
Forum: Coders. Tutorials 08 July 2009, 15:02
Replies: 248
Views: 29,505
Posted By wolfchild
@pmc, are you aware of this document?...

@pmc, are you aware of this document? http://www.mways.co.uk/amiga/howtocode/text/vectors.php

It even has a sample blitter fill routine, though I have no clue what it does :nuts
Forum: Coders. Tutorials 03 July 2009, 22:19
Replies: 248
Views: 29,505
Posted By wolfchild
Well, following korruptor's suggestion, and being...

Well, following korruptor's suggestion, and being somewhat bored at work, I hacked a quick and dirty 2D line rotation routine in C#, as it was what I had available. Executable and source code are...
Forum: Coders. General 01 July 2009, 16:10
Replies: 17
Views: 1,964
Posted By wolfchild
Well, AMOS source code is available for download...

Well, AMOS source code is available for download from the original creators. See here: http://www.clickteam.com/eng/downloadcenter.php?i=37 Maybe Doc Mindie has plans to modify the code?

Though...
Forum: Coders. Tutorials 24 June 2009, 23:11
Replies: 248
Views: 29,505
Posted By wolfchild
I look forward to do the tutorial some day. It's...

I look forward to do the tutorial some day. It's a long standing ambition of mine to be able to do 3D vectors on the Amiga, but it's intimidating (got to learn 68k assembler, the chipset, the OS and...
Forum: Coders. Tutorials 24 June 2009, 22:39
Replies: 248
Views: 29,505
Posted By wolfchild
Hi, I don't post often here, but this is an...

Hi,

I don't post often here, but this is an interesting topic. Some time ago I found a nice tutorial on 3D graphics and vectors which might help you.
...
Forum: Coders. General 22 June 2008, 00:59
Replies: 5
Views: 1,668
Posted By wolfchild
Thanks @Thorham and @RedskullDC :) File is...

Thanks @Thorham and @RedskullDC :)

File is safe on my drive now!
Forum: Coders. General 21 June 2008, 01:42
Replies: 5
Views: 1,668
Posted By wolfchild
Hi, can you kindly re-post? By the time I...

Hi, can you kindly re-post? By the time I figured how to access the zone, I figured it was gone :shocked
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