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Forum: Coders. Tutorials 04 October 2015, 16:38
Replies: 12
Views: 9,103
Posted By Jherek Carnelia
zoned

:) Done...
Forum: Coders. C/C++ 31 December 2014, 11:11
Replies: 7
Views: 1,704
Posted By Jherek Carnelia
You will find examples of using interrupts with C...

You will find examples of using interrupts with C in the RKM - Libraries. I have attached an extract from the relevant chapter.
Forum: News 17 May 2013, 23:28
Replies: 31
Views: 3,173
Posted By Jherek Carnelia
Thank you for all your splendid work.

Thank you for all your splendid work.
Forum: Coders. Tutorials 21 March 2013, 00:16
Replies: 1
Views: 3,547
Posted By Jherek Carnelia
If a pdf is good enough, then here are some good...

If a pdf is good enough, then here are some good ones (http://www.bombjack.org/commodore/amiga-books.htm). I particulary like the primer book...
Forum: Coders. Tutorials 01 October 2012, 10:31
Replies: 12
Views: 9,103
Posted By Jherek Carnelia
They are in the zone. Have fun.

They are in the zone. Have fun.
Forum: Retrogaming General Discussion 15 September 2012, 11:06
Replies: 18
Views: 3,557
Posted By Jherek Carnelia
Try asking the people over at...

Try asking the people over at http://www.stardot.org.uk/forums/ the old Stairway to Hell Beeb forums. They may know...
Forum: Coders. Tutorials 30 July 2012, 20:13
Replies: 2
Views: 4,510
Posted By Jherek Carnelia
Introductory programming courses from MIT/Berkeley/Harvard

MIT, Harvard and Berkeley are offering free online courses in introductory programming/computer science etc. for anyone interested.

Not Amiga related obviously, but who knows, could be good. I...
Forum: Coders. Tutorials 24 October 2011, 21:57
Replies: 40
Views: 15,101
Posted By Jherek Carnelia
As Leffmann says, or you could change the line ...

As Leffmann says, or you could change the line
scr dcb.b 8000,$55

to

scr dcb.b 10240,$55

and get the attached when you run it (I still got some intermittent (sprite?) garbage though).
Forum: Coders. General 04 September 2011, 22:52
Replies: 4
Views: 1,151
Posted By Jherek Carnelia
That was it. Thanks Asman. I'm always...

That was it. Thanks Asman.

I'm always getting lea and movea.l mixed up, I seem to have some kind of a blind spot there! :banghead
Forum: Coders. General 04 September 2011, 19:47
Replies: 4
Views: 1,151
Posted By Jherek Carnelia
LoadRGB4() puzzle

I've opened an Intuition friendly CustomScreen and want to change the colours, so I do this:


movea.l GfxBase,a6
movea.l my_screen,a0 ;pointer to my new screen
movea.l ...
Forum: Coders. General 19 August 2011, 20:35
Replies: 9
Views: 2,246
Posted By Jherek Carnelia
For what it's worth here's the section: ...

For what it's worth here's the section:

"2.7.6.3 MC68030 and write-allocation

The MC68030's data cache stores the function-code bits along with parts of the address as tag information for each...
Forum: Coders. General 12 August 2011, 00:28
Replies: 13
Views: 2,061
Posted By Jherek Carnelia
That's what I thought too. I always believed it...

That's what I thought too. I always believed it was bad practice, but this is the compiler output... Anyway, I guess that it's never going to change now!
Forum: Coders. General 11 August 2011, 22:33
Replies: 13
Views: 2,061
Posted By Jherek Carnelia
Thank you chaps :great

Thank you chaps :great
Forum: Coders. General 11 August 2011, 22:02
Replies: 13
Views: 2,061
Posted By Jherek Carnelia
What's this code doing?

I'm having fun disassembling a C program (one of the RKM examples), anyway there's a bit of code that appears a few times and I don't know how to make sense of it. I guess it's pretty easy when you...
Forum: Coders. General 07 August 2011, 15:12
Replies: 41
Views: 35,195
Posted By Jherek Carnelia
Great news :great

Great news :great
Forum: Coders. General 07 August 2011, 14:54
Replies: 41
Views: 35,195
Posted By Jherek Carnelia
Site unavailable

This site has been unavailable for a few days now. Is this permanent or a temporary glitch. :(

Hope it's only temporary, I quite often use it!
Forum: Coders. General 23 July 2011, 21:22
Replies: 5
Views: 1,508
Posted By Jherek Carnelia
Doh! What an idiot! It's so easy when you stop...

Doh! What an idiot! It's so easy when you stop and think! :cheese
Forum: Coders. General 22 July 2011, 21:45
Replies: 5
Views: 1,508
Posted By Jherek Carnelia
Thomas, I know I'm thick, but I don't really...

Thomas, I know I'm thick, but I don't really understand... :lol

This is how my somewhat limited understanding sees this.

sc_RastPort is the offset to the pointer in the screen structure of the...
Forum: Coders. General 21 July 2011, 23:28
Replies: 5
Views: 1,508
Posted By Jherek Carnelia
C to assembler

A basic question, but it's confusing me! :D

here's a bit of C code:

screen->RastPort.Flags=DBUFFER

is this equivalent?

movea.l my_screen,a0
movea.l sc_RastPort(a0),a0
Forum: Coders. General 25 June 2011, 19:36
Replies: 24
Views: 6,368
Posted By Jherek Carnelia
HTC 7 in the zone...

HTC 7 in the zone...
Forum: Coders. General 25 June 2011, 13:25
Replies: 24
Views: 6,368
Posted By Jherek Carnelia
I've put a pdf of the AGA registers in the zone....

I've put a pdf of the AGA registers in the zone. It may be useful; I also have a pdf of How To Code 7, if you would like that.
Forum: Coders. General 15 May 2011, 04:37
Replies: 2
Views: 840
Posted By Jherek Carnelia
Cheers RedSkull. That worked. Now all I need to...

Cheers RedSkull. That worked. Now all I need to do is work out number 2.! :)
Forum: Coders. General 15 May 2011, 02:26
Replies: 2
Views: 840
Posted By Jherek Carnelia
ReSource question

A couple of questions for the disassembling gurus:

1. Using WinUAE as an A4000 with picasso the resource screen is green and red and corrupted. Is there any way to get it to work?

I can use it...
Forum: Coders. General 07 May 2011, 23:40
Replies: 11
Views: 1,521
Posted By Jherek Carnelia
No. :( I've put it aside and moved on to other...

No. :( I've put it aside and moved on to other things. I'll go back to it later.
Forum: Coders. General 30 April 2011, 22:40
Replies: 2
Views: 822
Posted By Jherek Carnelia
No, still can't see them! :sad Found them in...

No, still can't see them! :sad

Found them in the LVO file Thorham uploaded the other day. Thanks.
Forum: Coders. General 30 April 2011, 21:56
Replies: 2
Views: 822
Posted By Jherek Carnelia
missing _lib.i files

Can anyone tell me where I might find workbench_lib.i and icon_lib.i, I'm trying to assemble some examples I downloaded, but I don't seem to have these particular files. :(

I have the 3.1...
Forum: Coders. General 23 April 2011, 20:33
Replies: 11
Views: 1,521
Posted By Jherek Carnelia
Wow, Thanks for trying. It's a very annoying...

Wow, Thanks for trying. It's a very annoying thing :banghead
Forum: Coders. General 23 April 2011, 14:32
Replies: 11
Views: 1,521
Posted By Jherek Carnelia
Thanks Lonewolf. Good tip about the FPS slider....

Thanks Lonewolf. Good tip about the FPS slider. Back to the drawing board, I guess.
Forum: Coders. General 22 April 2011, 23:58
Replies: 11
Views: 1,521
Posted By Jherek Carnelia
@LoneWolf What a plonker I am :nuts i...

@LoneWolf

What a plonker I am :nuts i attached the wrong file. I've attached the right one now...
The config is a basic A4000, nothing fancy. Attached as well.

@Toni

Hmm. I need to think...
Forum: Coders. General 22 April 2011, 20:42
Replies: 11
Views: 1,521
Posted By Jherek Carnelia
Bah! Can't even upload something that works...

Bah! Can't even upload something that works :banghead

Okay, I've attached an executable (with gfx files) that hopefully will work, and show what I'm trying to do.

I've also attached my...
Forum: Coders. General 21 April 2011, 23:49
Replies: 11
Views: 1,521
Posted By Jherek Carnelia
Display register experiment problems...

Well, I'm experimenting changing the display window registers to create 'wipe' type of effects and I think I've bashed up against the limit of my knowledge :confused

It pretty much works, and...
Forum: request.Apps 16 April 2011, 22:17
Replies: 3
Views: 1,126
Posted By Jherek Carnelia
Wow thanks! Didn't even know about that place....

Wow thanks! Didn't even know about that place. Excellent. :great
Forum: request.Apps 16 April 2011, 21:31
Replies: 3
Views: 1,126
Posted By Jherek Carnelia
DPaint IV

Can anyone point me towards a copy of a hard drive installable version of this, please? I have a copy, but it doesn't have a hard disk installer and tbh I can't remember how (or if) it can be done...
Forum: Coders. Tutorials 10 April 2011, 20:29
Replies: 9
Views: 2,925
Posted By Jherek Carnelia
jman, here is an explanation of the wait loop I...

jman, here is an explanation of the wait loop I wrote out for myself the other day. Hopefully it will explain what's going on for you...
Forum: Coders. General 07 April 2011, 20:08
Replies: 4
Views: 1,133
Posted By Jherek Carnelia
Thanks Chaps. I've added the missing graphics...

Thanks Chaps. I've added the missing graphics file. I will have a think about what you've said and see if I can understand what needs to be done :D
Forum: Coders. General 06 April 2011, 21:26
Replies: 4
Views: 1,133
Posted By Jherek Carnelia
diwhigh/diwstart problems

I'm experimenting with the display window registers, but something is going amiss. :confused I'm starting with a standard PAL display window:

diwstart = $2c81
diwstop = $2cc1
diwhigh = $2100
...
Forum: Coders. General 14 March 2011, 23:22
Replies: 26
Views: 4,348
Posted By Jherek Carnelia
Ah, I can see where that would be an advantage....

Ah, I can see where that would be an advantage. Thanks for the explanation. :) I think that will be some way away yet...
Forum: Coders. General 14 March 2011, 23:12
Replies: 26
Views: 4,348
Posted By Jherek Carnelia
Thx PMC. So would you say it's best to always use...

Thx PMC. So would you say it's best to always use label(PC), unless the assembler says the label is out of range, and then just change it to label,An. I must say at the moment I can't think of an...
Forum: Coders. General 14 March 2011, 22:29
Replies: 26
Views: 4,348
Posted By Jherek Carnelia
Program Counter with Offset - why?

Right chaps, I've dusted off my old books after near-on 20 yrs of not doing anything and am going back to the begininning and re-learning (or rather, trying to) assembly programming.

Going through...
Forum: Coders. Tutorials 16 July 2010, 19:56
Replies: 60
Views: 21,329
Posted By Jherek Carnelia
Well done. That's an excellent bit of work! :great

Well done. That's an excellent bit of work! :great
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