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Forum: Coders. Tutorials 28 April 2009, 15:00
Replies: 35
Views: 16,969
Posted By pmc
Watcha chaps. I've been playing with copper and...

Watcha chaps. I've been playing with copper and blitter routines recently in an effort to increase my understanding of these things.

In doing so I've adapted a source code by Prophet of Goldfire...
Forum: Coders. Tutorials 23 April 2009, 12:05
Replies: 35
Views: 16,969
Posted By pmc
Fixed it - cycling now works, far too fast at the...

Fixed it - cycling now works, far too fast at the moment, but it works!

I changed my plasma_copper calculation from this:

plasma_copper: dcb.w (wait_words+color_changes*2)*plas_height,0
...
Forum: Coders. Tutorials 23 April 2009, 11:53
Replies: 35
Views: 16,969
Posted By pmc
Asman - You're definitely correct that the...

Asman - You're definitely correct that the copper's interrrupt request is getting overwritten. I tested this by commenting out the manual call to the interrupt routine in the startup as follows:
...
Forum: Coders. Tutorials 23 April 2009, 11:31
Replies: 35
Views: 16,969
Posted By pmc
I reserved another 4 words in the plasma_copper...

I reserved another 4 words in the plasma_copper area to make sure that the intreq in the copper list doesn't get overwritten but it didn't make any difference - still no cycling. :(

Never mind,...
Forum: Coders. Tutorials 23 April 2009, 11:09
Replies: 35
Views: 16,969
Posted By pmc
@ heavy - OK fair enough. I realised what you...

@ heavy - OK fair enough. I realised what you were saying in relation to setting the cust regs base in a5 again in the interrupt, I just didn't see how it related to the question I posted.

Sorry,...
Forum: Coders. Tutorials 23 April 2009, 09:25
Replies: 35
Views: 16,969
Posted By pmc
Doesn't look like I was missing anything - out of...

Doesn't look like I was missing anything - out of curiosity I added an lea cust_regs,a5 to the interrupt code. Made no difference.
Forum: Coders. Tutorials 22 April 2009, 18:13
Replies: 35
Views: 16,969
Posted By pmc
@ musashi5150 - nice one, if you do all you'll...

@ musashi5150 - nice one, if you do all you'll see is static copper "effect" at the moment = lame :(

@ heavy - maybe I'm missing something obvious, and if so I apologise, but I don't see what...
Forum: Coders. Tutorials 22 April 2009, 15:54
Replies: 35
Views: 16,969
Posted By pmc
I made a routine (attached) that builds a copper...

I made a routine (attached) that builds a copper list and then uses the blitter to push colours into the colour moves.

I though that the add_vals: part would make the colours cycle and give some...
Forum: Coders. Tutorials 26 June 2008, 12:11
Replies: 35
Views: 16,969
Posted By pmc
@AGN - I must apologise for it being such a long...

@AGN - I must apologise for it being such a long (very long) time in replying but at last I've had enough time to be visiting here again and I've had a go with that code task you set me.

I'm not...
Forum: Coders. Tutorials 22 January 2008, 11:50
Replies: 35
Views: 16,969
Posted By pmc
@ AGN: Thanks (I think...!) for giving me that as...

@ AGN: Thanks (I think...!) for giving me that as a task. I'll take it away and have a think (and probably a bit of a cry...) and try to come back with a hopefully not too embarassingly bad try! I'm...
Forum: Coders. Tutorials 15 January 2008, 15:26
Replies: 35
Views: 16,969
Posted By pmc
Right then, first things first, I've been...

Right then, first things first, I've been thinking about various aspects of getting a plasma routine working and I've decided to start at the beginning and make a single bitplane plasma and then...
Forum: Coders. Tutorials 14 January 2008, 09:49
Replies: 35
Views: 16,969
Posted By pmc
Hello AGN, good to hear from you - I hope you're...

Hello AGN, good to hear from you - I hope you're well.

Thanks very much for taking the time to give me that explanation, much appreciated. You are the guru. :great

I'll try to get my head...
Forum: Coders. Tutorials 10 January 2008, 13:15
Replies: 35
Views: 16,969
Posted By pmc
It's been a loooong time since my thoughts turned...

It's been a loooong time since my thoughts turned to this subject since I was first posting about it in May last year (man, where do the months go...?!) but now I think I'd like to try and get back...
Forum: Coders. Tutorials 07 May 2007, 13:43
Replies: 35
Views: 16,969
Posted By pmc
@Asman - I've just donwloaded the stuff you put...

@Asman - I've just donwloaded the stuff you put in the zone - I'll check it out. Thanks Asman, you're a diamond! :great

@korruptor - thanks for the offer but they won't be of any use to me for...
Forum: Coders. Tutorials 04 May 2007, 15:17
Replies: 35
Views: 16,969
Posted By pmc
@korruptor - nice one mate, any ideas are...

@korruptor - nice one mate, any ideas are appreciated, I'd be keen to check out any sources you've got - even if I do something different for this effect than what they show they'd always come in...
Forum: Coders. Tutorials 04 May 2007, 13:22
Replies: 35
Views: 16,969
Posted By pmc
Plasma

Since finishing the sine scroll routine I've hacked the code for that one around into the embryo of a plasma routine. I've posted it to the zone, if anyone wants to check it out...

At the moment...
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