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Forum: Coders. General 06 September 2019, 11:00
Replies: 33
Views: 1,468
Posted By roondar
Now we're talking AGA setting anyway, here's the...

Now we're talking AGA setting anyway, here's the way to select banks & select between upper and lower 12 bits. To select the colour bank, use register BPLCON3 ($106). Bits 13-15 select which bank you...
Forum: Coders. General 05 September 2019, 16:07
Replies: 33
Views: 1,468
Posted By roondar
Life is too short to learn all things. Pick what...

Life is too short to learn all things. Pick what you want to learn and use that.

I do use assembly, but I'm just a gigantic sucker for banging the hardware of retro computers directly. Looking at...
Forum: Coders. General 05 September 2019, 14:05
Replies: 33
Views: 1,468
Posted By roondar
It seems to me the problem here is that 'graphic...

It seems to me the problem here is that 'graphic techniques' and 'coding' are very close on retro platforms like the Amiga ;)
I guess we had indeed moved from 'copper reloading exists' into 'coding...
Forum: Coders. General 05 September 2019, 13:45
Replies: 33
Views: 1,468
Posted By roondar
Yup, AGA is a lot less elegant to code for and...

Yup, AGA is a lot less elegant to code for and has all sorts of alignment restrictions and stuff like colour banking and having to set colours in two writes to worry about. OCS is much nicer to...
Forum: Coders. General 05 September 2019, 13:36
Replies: 33
Views: 1,468
Posted By roondar
You're welcome! If you have more questions, I'm...

You're welcome!
If you have more questions, I'm more than happy to help :great

On the topic of colour registers:

Amiga colour registers do not have any form of alpha transparency
AGA...
Forum: Coders. General 05 September 2019, 10:58
Replies: 33
Views: 1,468
Posted By roondar
No problem, happy to help :) Know that I did...

No problem, happy to help :)

Know that I did make a small error in the Copperlist (one of the WAIT commands was not correct) which I have corrected just now.
Forum: Coders. General 04 September 2019, 16:22
Replies: 33
Views: 1,468
Posted By roondar
You're welcome! There's tons more I could...

You're welcome!

There's tons more I could add, including a lot about registers etc. But for now I'll wait and see what people want to know and how much of it fits this thread ;)

That said, I...
Forum: Coders. General 04 September 2019, 15:20
Replies: 33
Views: 1,468
Posted By roondar
Part 3: an example Copperlist Let's look at all...

Part 3: an example Copperlist
Let's look at all this in the form of an example. In this example, I skip the part where the Copper sets up the bitplane pointers and other display setting. I can give...
Forum: Coders. General 04 September 2019, 15:19
Replies: 33
Views: 1,468
Posted By roondar
Part 2: coding WAIT/MOVE instructions Each...

Part 2: coding WAIT/MOVE instructions
Each Copper instruction takes the form of two 16 bit values (called words): one word gives the instruction, the second word gives the parameter for the...
Forum: Coders. General 04 September 2019, 15:18
Replies: 33
Views: 1,468
Posted By roondar
Ok, here's a 'small' overview about the Copper....

Ok, here's a 'small' overview about the Copper. It's still a pretty big chunk of text though, so sit back and enjoy with a beverage of your choice :p

One note before I begin: to keep things...
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