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Forum: Coders. Asm / Hardware 18 December 2019, 15:43
Replies: 5
Views: 441
Posted By Antiriad_UK
Setting DATB at top once to 0 was the first thing...

Setting DATB at top once to 0 was the first thing I tried to just have a monochrome image but I still see every other line line skipped like in my first post so something else is up.

Edit: Ok I...
Forum: Coders. General 18 December 2019, 13:07
Replies: 17
Views: 881
Posted By Antiriad_UK
I thought you said you weren't releasing the...

I thought you said you weren't releasing the source? :xmas
Forum: Coders. Asm / Hardware 18 December 2019, 12:25
Replies: 5
Views: 441
Posted By Antiriad_UK
Hmm, I can't get this manual loading working....

Hmm, I can't get this manual loading working. I've initialised spr6pt to a dummy sprite in the vblank. Then just into the display window I set spr6pos and spr6ctl. And on each line I set spr0datb and...
Forum: Coders. Asm / Hardware 17 December 2019, 19:05
Replies: 5
Views: 441
Posted By Antiriad_UK
OCS + DDFSTRT=$30 - Losing spr6?

Hi,

Not used sprites that much before, so a sprite noob, but can someone verify this?

I've got an overscan screen with ddfstrt=$30 so I lose spr7 as expected. But I also seem to be getting...
Forum: Coders. Asm / Hardware 15 December 2019, 11:16
Replies: 22
Views: 1,114
Posted By Antiriad_UK
True the multiple setup/stop is probably the most...

True the multiple setup/stop is probably the most likely and reliable saving. But in a massive clear/or basic fill then there's quite a usable overlap. In my simple vector routine all the...
Forum: Coders. Asm / Hardware 15 December 2019, 00:56
Replies: 22
Views: 1,114
Posted By Antiriad_UK
I think interleaved bitplane data are used for...

I think interleaved bitplane data are used for 99% of demos/games. It's just way more efficient. If you have a BOB of 32 px high in 5 bitplanes and you want to blit that with non-interleaved its:...
Forum: Coders. Asm / Hardware 14 December 2019, 18:39
Replies: 6
Views: 388
Posted By Antiriad_UK
Thanks, all useful stuff. I need to write a CPU...

Thanks, all useful stuff. I need to write a CPU line draw soon and I've been watching videos on Bresenham. Oddly 99% of videos on youtube for Bresenham seem to be for Indian universities. This video...
Forum: Coders. Asm / Hardware 14 December 2019, 15:23
Replies: 6
Views: 388
Posted By Antiriad_UK
Cheers, Dan. I think I get it. E.g. Double...

Cheers, Dan. I think I get it.

E.g. Double size
U1 = 0
U2 = 16
Y1 = 0
Y2 = 32

dU = (16-0) / (32-0) = 0.5
Forum: Coders. Asm / Hardware 14 December 2019, 11:47
Replies: 6
Views: 388
Posted By Antiriad_UK
Vertical scaling up - how to choose lines to stretch?

I've got a routine where I stretch an image vertically using BPLxMODs and it works great. But it looks obviously like a perspective-based stretch from an origin because of how I am generating the...
Forum: Retrogaming General Discussion 04 December 2019, 02:35
Replies: 90
Views: 4,983
Posted By Antiriad_UK
I have a g sync monitor and although the pixels...

I have a g sync monitor and although the pixels look great. It’s all just a motion blur nightmare to what I remember a 50hz scroller to be :/
Forum: Coders. Asm / Hardware 02 December 2019, 22:17
Replies: 13
Views: 921
Posted By Antiriad_UK
Running from icon needs some extra stuff. Have a...

Running from icon needs some extra stuff. Have a look at section 18 in this
https://plantmonster.net/koodailut/amiga/template/amigaexamples/Manuals/HowToCode7.pdf
Forum: Nostalgia & memories 30 November 2019, 14:46
Replies: 51
Views: 2,264
Posted By Antiriad_UK
It looks like my last two Amiga new boxed...

It looks like my last two Amiga new boxed purchases were Alien Breed 92 Special Edition and Devpac 3.0. Ashamed to say most of my games were pirates - been trying to make up for that since I starting...
Forum: Coders. Asm / Hardware 30 November 2019, 14:02
Replies: 36
Views: 3,603
Posted By Antiriad_UK
Can you just change the code in the simple copy...

Can you just change the code in the simple copy version to copy the mask to the screen, easy way to confirm if mask is ok. Looking at the rest.

Edit: You'll need to write the B shift value in...
Forum: Coders. Asm / Hardware 28 November 2019, 22:32
Replies: 7
Views: 645
Posted By Antiriad_UK
Yeah that’s what I’m doing :). I’ve got a...

Yeah that’s what I’m doing :). I’ve got a “framework ” dummy cl that has all the spite pointers set up for a dummy sprite. Then similar to what you say for each effect section I’ll swap to other...
Forum: Coders. General 28 November 2019, 00:26
Replies: 106
Views: 3,678
Posted By Antiriad_UK
I just tried this and it blew my mind what code...

I just tried this and it blew my mind what code it gave for a for loop. Step one break out the lnk instruction wtf
Forum: Coders. Asm / Hardware 27 November 2019, 19:18
Replies: 7
Views: 645
Posted By Antiriad_UK
Thanks, I was leaning towards option 2 as well....

Thanks, I was leaning towards option 2 as well. I've added "ross approved" to my function notes ;p
Forum: Coders. Asm / Hardware 27 November 2019, 16:51
Replies: 7
Views: 645
Posted By Antiriad_UK
Yet another sprite disabling question

I'm getting myself in knots here. I've got a routine that is using some sprites and it's all good. When the routine moves into the next effect I've got a transition copperlist that makes sure sprite...
Forum: Coders. General 27 November 2019, 14:35
Replies: 106
Views: 3,678
Posted By Antiriad_UK
The Bartman lecture said they went through...

The Bartman lecture said they went through various compilers and that 8.3 was pretty sweet. https://www.twitch.tv/videos/468413972?t=02h20m09s

I'd probably still stay assembler, it's part of the...
Forum: Coders. General 27 November 2019, 12:49
Replies: 106
Views: 3,678
Posted By Antiriad_UK
Makes me want to ditch assembler and go to C...

Makes me want to ditch assembler and go to C (Which I'm better at anyway lol)
Forum: Coders. General 26 November 2019, 18:04
Replies: 106
Views: 3,678
Posted By Antiriad_UK
From the page I use below. I read it as 8 (well I...

From the page I use below. I read it as 8 (well I have been! :) )
http://oldwww.nvg.ntnu.no/amiga/MC680x0_Sections/timstandard.HTML

op<ea>,An

ADD byte,word 8(1/0) +
long 6(1/0) +**

+...
Forum: Member Introductions 26 November 2019, 17:08
Replies: 3
Views: 377
Posted By Antiriad_UK
Welcome from Bournville :)

Welcome from Bournville :)
Forum: Amiga scene 24 November 2019, 15:39
Replies: 2
Views: 269
Posted By Antiriad_UK
This guy only seems to have done one. But this is...

This guy only seems to have done one. But this is absolutely epic.

https://www.remix64.com/track/neriakx/enigma-gun-extended-mix/
Forum: Coders. Asm / Hardware 23 November 2019, 13:59
Replies: 36
Views: 3,603
Posted By Antiriad_UK
Yeah, that's what I'm thinking :great. There is a...

Yeah, that's what I'm thinking :great. There is a blit fill occurring but its of the same 32x32 area I want to mask, and I'm already using some CPU routines there :)
Forum: Coders. Asm / Hardware 23 November 2019, 12:12
Replies: 21
Views: 1,103
Posted By Antiriad_UK
dc.b 5 dc.w 10 Works too. But i've not...

dc.b 5
dc.w 10

Works too. But i've not disassembled to check. My default assemble params include -m68000 -phxass so would ass-u-me that phxass would be the same?
Forum: Coders. Asm / Hardware 23 November 2019, 11:54
Replies: 36
Views: 3,603
Posted By Antiriad_UK
While we are on the subject of masks... :) ...

While we are on the subject of masks... :)

I've got a 3bpl 32x32px BOB. The bob changes every frame and I want to generate the cookie cut mask for it. I want to blit the BOB in one blit so it is...
Forum: Coders. Asm / Hardware 23 November 2019, 11:50
Replies: 21
Views: 1,103
Posted By Antiriad_UK
vasm seems to assemble this, in 68000 only mode...

vasm seems to assemble this, in 68000 only mode (-m68000):

dc.b 0
dc.w 0
Forum: Member Introductions 23 November 2019, 01:13
Replies: 5
Views: 564
Posted By Antiriad_UK
Welcome back to the Amiga fold. We are all just...

Welcome back to the Amiga fold. We are all just messing around out of time :great
Forum: Coders. General 23 November 2019, 01:00
Replies: 16
Views: 869
Posted By Antiriad_UK
On my list of things I maybe need is a 68000 line...

On my list of things I maybe need is a 68000 line draw and fill that works like blitter horizontal fill. Liking the info in this thread! :great
Forum: Nostalgia & memories 22 November 2019, 01:47
Replies: 65
Views: 17,788
Posted By Antiriad_UK
Ace.

Ace.
Forum: Amiga scene 21 November 2019, 16:35
Replies: 24
Views: 2,579
Posted By Antiriad_UK
Nice vid :great

Nice vid :great
Forum: Nostalgia & memories 19 November 2019, 14:57
Replies: 24
Views: 1,705
Posted By Antiriad_UK
I don't think I ever completed a spectrum game...

I don't think I ever completed a spectrum game (head over heels, batman, heavy on the magick, come on...impossibru). I completed a handful of Amiga games (but only with trainers), and I complete...
Forum: Coders. Asm / Hardware 18 November 2019, 23:32
Replies: 36
Views: 3,603
Posted By Antiriad_UK
Yep, just you ;)

Yep, just you ;)
Forum: Coders. Asm / Hardware 18 November 2019, 23:01
Replies: 36
Views: 3,603
Posted By Antiriad_UK
Blitter can take up to 3 inputs (A B and C) and...

Blitter can take up to 3 inputs (A B and C) and has 1 output which is D.
Forum: Coders. Asm / Hardware 18 November 2019, 12:13
Replies: 36
Views: 3,603
Posted By Antiriad_UK
@Dan, yeah sorry A and B for Bob/Mask, C for...

@Dan, yeah sorry A and B for Bob/Mask, C for screen :)
@mcgeezer, would be a great thing to cover properly for sure. But until then have some ascii art!

I used to do all this stuff with tables...
Forum: Coders. Asm / Hardware 18 November 2019, 03:50
Replies: 36
Views: 3,603
Posted By Antiriad_UK
I find it impossible to comprehend that you can...

I find it impossible to comprehend that you can fix whdload slaves that appear like witchcraft to me but don’t do blitter masks. ;) ;) ;)

I understand the page mcgeezer shows the HKRM but also...
Forum: Coders. Asm / Hardware 15 November 2019, 22:45
Replies: 11
Views: 609
Posted By Antiriad_UK
I blame my younger self ;) noted Edit: And...

I blame my younger self ;) noted

Edit: And from reading the recent threads from Toni about using copjmp from CPU I'd be scared :)
Forum: support.Games 15 November 2019, 22:38
Replies: 5
Views: 620
Posted By Antiriad_UK
Are there actually any just ECS games? I remember...

Are there actually any just ECS games? I remember OCS, OCS 1mb (512/512) then AGA. Plus games that didn’t work on A500+
Forum: Coders. Asm / Hardware 15 November 2019, 17:48
Replies: 11
Views: 609
Posted By Antiriad_UK
Looks like I found it on page 110 of Amiga System...

Looks like I found it on page 110 of Amiga System Programmers Guide. Doesn't seem explicitly spelled out in HKRM 1.3.
Forum: Coders. Asm / Hardware 15 November 2019, 17:13
Replies: 11
Views: 609
Posted By Antiriad_UK
I've only ever done it once in a demo when I was...

I've only ever done it once in a demo when I was 16, but looks like I setup two copperlists for long and short frames and then before starting it for the first time I found this snippet of code which...
Forum: Coders. Asm / Hardware 13 November 2019, 14:24
Replies: 153
Views: 16,139
Posted By Antiriad_UK
Yeah, I don't tend to use the non-debug one as my...

Yeah, I don't tend to use the non-debug one as my build script auto runs a WinUAE instance which I much prefer, but this seems to work for me:

{
"version": "0.2.0",
"configurations": [
...
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