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Forum: Coders. Asm / Hardware 03 April 2021, 14:03
Replies: 96
Views: 5,215
Posted By 8bitbubsy
But it's slower on 68020+, right?

But it's slower on 68020+, right?
Forum: Coders. Asm / Hardware 03 April 2021, 13:39
Replies: 96
Views: 5,215
Posted By 8bitbubsy
Wow, didn't know that! You learn something new...

Wow, didn't know that! You learn something new every day. :)
Is this really faster than lsl.w #8,Dn though? Maybe on a 68000 system with fastmem?
Forum: Coders. Asm / Hardware 03 April 2021, 12:05
Replies: 96
Views: 5,215
Posted By 8bitbubsy
Pushing a word to the stack, and popping only a...

Pushing a word to the stack, and popping only a byte back. You absolute madman! :D

I assume you backup the stack pointer before the loop and restore it afterwards?
Forum: request.Music 27 March 2021, 22:59
Replies: 7
Views: 1,028
Posted By 8bitbubsy
PAT2SMP is the button in my ProTracker 2 clone, I...

PAT2SMP is the button in my ProTracker 2 clone, I don't think any PT program on Amiga has that one. Maybe as MOD2SMP.
Forum: Coders. Asm / Hardware 27 March 2021, 13:21
Replies: 44
Views: 2,538
Posted By 8bitbubsy
Yep, I know. Same for the LEN register. ...

Yep, I know. Same for the LEN register.


Sounds like a rare issue, and I don't think I have personally encountered it. It's still worth supporting sample swapping, imo.
Forum: Hardware mods 24 March 2021, 12:44
Replies: 65
Views: 4,829
Posted By 8bitbubsy
You are uninteresting. ;) My point is...

You are uninteresting. ;)


My point is that a computer needs modern software to be usable to the vast majority of computer users. If it doesn't have that, it's just another niche (for the most...
Forum: Coders. Asm / Hardware 24 March 2021, 12:07
Replies: 44
Views: 2,538
Posted By 8bitbubsy
Sample swapping has been a feature since the very...

Sample swapping has been a feature since the very first ProTracker version AFAIK, or at least from very early on... There are plenty of oldskool .MODs out there using the technique.
It works fine in...
Forum: Coders. Asm / Hardware 23 March 2021, 19:59
Replies: 44
Views: 2,538
Posted By 8bitbubsy
Yes it is, "sample swapping" was a common...

Yes it is, "sample swapping" was a common technique used in plenty of ProTracker MODs, especially chiptune-styled ones.
Forum: Hardware mods 19 March 2021, 11:51
Replies: 65
Views: 4,829
Posted By 8bitbubsy
It doesn't matter if the hardware is innovative,...

It doesn't matter if the hardware is innovative, it needs a modern OS and modern software (i.e. not AmigaOS). A machine without modern software makes it uninteresting to most people, and as such it...
Forum: Coders. Asm / Hardware 19 March 2021, 10:09
Replies: 16
Views: 855
Posted By 8bitbubsy
Ah, so maybe it's stored as -63..0?

Ah, so maybe it's stored as -63..0?
Forum: Coders. Asm / Hardware 19 March 2021, 09:56
Replies: 16
Views: 855
Posted By 8bitbubsy
But I thought you weren't supposed to store the...

But I thought you weren't supposed to store the lower 6 bits as signed -32..31?
Forum: Coders. Asm / Hardware 19 March 2021, 09:13
Replies: 16
Views: 855
Posted By 8bitbubsy
Alright, I'm not going to bother with the...

Alright, I'm not going to bother with the calibration then.
Forum: Coders. Asm / Hardware 19 March 2021, 09:03
Replies: 16
Views: 855
Posted By 8bitbubsy
I'll try it and see how it works out. ...

I'll try it and see how it works out.

Regarding calibration, that requires unique calibration per Amiga machine, right?
If not, then no problem, the stuff I'm doing is already for generating a...
Forum: Coders. Asm / Hardware 18 March 2021, 22:07
Replies: 16
Views: 855
Posted By 8bitbubsy
Seems like the 0..63 range is correct, or at...

Seems like the 0..63 range is correct, or at least anything else I try makes it sound (and look) wrong. So maybe the "lower 6 bits" part just shouldn't be signed (-32..31).
This is a bit confusing...
Forum: Coders. Asm / Hardware 18 March 2021, 21:36
Replies: 16
Views: 855
Posted By 8bitbubsy
Ahh of course, that makes complete sense! Can't...

Ahh of course, that makes complete sense! Can't believe I didn't see that, lol.
So ideally I should insert the sign bit in bit 6 and 7 after the lsr?

EDIT: How about just subtracting 32 from...
Forum: Coders. Asm / Hardware 18 March 2021, 21:18
Replies: 16
Views: 855
Posted By 8bitbubsy
Question about the 14-bit Paula trick

I don't fully understand how I convert a signed 16-bit PCM sample into an 8-bit pair for 14-bit Paula output...

I have played around with it a bit, and the only way I can make it sound good is by...
Forum: Coders. Asm / Hardware 17 March 2021, 12:47
Replies: 65
Views: 3,678
Posted By 8bitbubsy
If this is trying to simulate vblank playback,...

If this is trying to simulate vblank playback, you need to allow the whole Fxx range for setting ticks per row, IIRC.
Forum: request.Modules 16 March 2021, 14:05
Replies: 5
Views: 1,012
Posted By 8bitbubsy
I downloaded the Wild Flying demo, and the music...

I downloaded the Wild Flying demo, and the music there is just compressed stream data (ADPCM mabe?). It's definitely not stored in tracker module format.
Forum: Coders. Asm / Hardware 16 March 2021, 11:01
Replies: 65
Views: 3,678
Posted By 8bitbubsy
EFx (invert loop) has been used quite a bit in...

EFx (invert loop) has been used quite a bit in music in cracktros, at least. And why is it slow? It has no inner loop, it just inverts one chipmem sample byte per tick.
E8x (karplus-strong) on the...
Forum: Coders. Asm / Hardware 15 March 2021, 12:09
Replies: 298
Views: 14,113
Posted By 8bitbubsy
Does this also apply to the more traditional way...

Does this also apply to the more traditional way of doing 14-bit audio on Amiga? I'd use period 124 (normal video modes) if I could, but if period 128 is more sensible then I'll stick with that....
Forum: Coders. Asm / Hardware 15 March 2021, 11:58
Replies: 65
Views: 3,678
Posted By 8bitbubsy
I have mixed feelings about LSP. It's good for...

I have mixed feelings about LSP. It's good for what it is, but calling it the "fastest .MOD player" is a bit misleading, in my opinion. In the end, it has nothing to do with the old format. :rolleyes
Forum: Amiga scene 03 March 2021, 12:11
Replies: 186
Views: 12,257
Posted By 8bitbubsy
Betraying the Amiga by playing a game that wasn't...

Betraying the Amiga by playing a game that wasn't the cause for killing it? The Amiga was dying anyway, because of bad decisions from Commodore. Blaming it on DOOM is not fair, as it was bound to...
Forum: Coders. Asm / Hardware 16 February 2021, 17:21
Replies: 298
Views: 14,113
Posted By 8bitbubsy
Oh ok, I see. I was indeed using it on memory in...

Oh ok, I see. I was indeed using it on memory in my benchmark test ( clr.l (a0)+ ).
Forum: Coders. Asm / Hardware 16 February 2021, 17:02
Replies: 298
Views: 14,113
Posted By 8bitbubsy
I use clr as seldom as possible, it's slower than...

I use clr as seldom as possible, it's slower than move. I tested this on a 68020 benchmark I made.
Forum: Coders. Blitz Basic 16 February 2021, 12:28
Replies: 8
Views: 1,071
Posted By 8bitbubsy
It sounds like you are somehow working with bytes...

It sounds like you are somehow working with bytes instead of words here.
Forum: Amiga scene 14 February 2021, 22:45
Replies: 63
Views: 4,507
Posted By 8bitbubsy
What would be the point of making anything for an...

What would be the point of making anything for an ancient dead platform kept alive by enthusiasts? The answer is: Having fun, and tinkering with it.
My reason would be: To add more features, fix old...
Forum: Coders. Asm / Hardware 14 February 2021, 12:49
Replies: 21
Views: 1,615
Posted By 8bitbubsy
Just get the master crystal frequency for...

Just get the master crystal frequency for PAL/NTSC Amigas and divide it by 8 to get the Paula rate. Every clock (except keyboard) is derived from this crystal, even the video clocks.

The crystal...
Forum: Amiga scene 26 January 2021, 21:50
Replies: 194
Views: 49,650
Posted By 8bitbubsy
You seem to be quite passionate about PT though,...

You seem to be quite passionate about PT though, maybe you should look into it? :)
There's also echolevel/Syphus. If you want it enough, you'll get it. That's how I learnt to do this kind of stuff...
Forum: Amiga scene 26 January 2021, 18:44
Replies: 194
Views: 49,650
Posted By 8bitbubsy
Why is it so that I'm the only light of hope for...

Why is it so that I'm the only light of hope for ProTracker? I'm some random guy that wanted to re-source PT2.3D and bug-fix it. If I can do it, so can other people (trust me). It's just a matter of...
Forum: Amiga scene 22 January 2021, 10:32
Replies: 194
Views: 49,650
Posted By 8bitbubsy
Sorry, I'm already very tired of dealing with the...

Sorry, I'm already very tired of dealing with the PT asm code, and I want to be done with it forever, as soon as possible... Crucial bugs must be fixed though.
Forum: Amiga scene 20 January 2021, 18:49
Replies: 194
Views: 49,650
Posted By 8bitbubsy
Ok I fixed the PT2.3F parallel port sampling bug,...

Ok I fixed the PT2.3F parallel port sampling bug, and also removed some other nonsense because I have now properly bug-fixed the quadrascope routine to never read past allocated memory (hopefully).
...
Forum: Amiga scene 19 January 2021, 21:47
Replies: 194
Views: 49,650
Posted By 8bitbubsy
There seems to be some other bugs with parallel...

There seems to be some other bugs with parallel port sampling, the tracker might crash when editing the newly sampled sample. I'll look into it one day and report back.
Forum: Amiga scene 18 January 2021, 14:05
Replies: 194
Views: 49,650
Posted By 8bitbubsy
It's a pain in the butt to work with, and a real...

It's a pain in the butt to work with, and a real motivation killer. It's better to have a slower version than having none at all, imo.
My motivation to create a new tracker from scratch for Amiga is...
Forum: Amiga scene 09 January 2021, 20:01
Replies: 194
Views: 49,650
Posted By 8bitbubsy
Hi Ywe! No, I didn't know that. I have very...

Hi Ywe!

No, I didn't know that. I have very little interest in the 3.x series of ProTracker, I just find it a bit messy and distracting, and they messed with the replayer making it less accurate...
Forum: Coders. Asm / Hardware 28 October 2020, 13:36
Replies: 68
Views: 3,971
Posted By 8bitbubsy
I tried to move the two samples byte by byte...

I tried to move the two samples byte by byte instead of as a word, and it was slightly slower no matter what I did. I also tried to do a benchmark test on my A1200 68030 to figure out how much worse...
Forum: Coders. Asm / Hardware 28 October 2020, 11:51
Replies: 22
Views: 1,546
Posted By 8bitbubsy
I wanted to lower the time it takes to initialize...

I wanted to lower the time it takes to initialize the program, hence why I INCBIN it instead. Anyway, I don't need it to be aligned to 512 after all, so it works fine now with CNOP 0,2 :)
Forum: Coders. General 25 October 2020, 20:47
Replies: 168
Views: 45,081
Posted By 8bitbubsy
I'm glad you like it. :>

I'm glad you like it. :>
Forum: Coders. General 25 October 2020, 19:55
Replies: 168
Views: 45,081
Posted By 8bitbubsy
I don't think that works, no. This is not a...

I don't think that works, no. This is not a normal way of accessing drives in Windows, and drives can have the same volume labels, etc.
Forum: Coders. General 25 October 2020, 17:14
Replies: 168
Views: 45,081
Posted By 8bitbubsy
It will initially stay in the current user's...

It will initially stay in the current user's directory per default, if the path(s) in the config were not present, or couldn't be accessed.

I tested with another drive in protracker.ini:...
Forum: Coders. Asm / Hardware 25 October 2020, 09:59
Replies: 22
Views: 1,546
Posted By 8bitbubsy
You made me really think about it, and it seems...

You made me really think about it, and it seems like I maybe don't need this to be aligned anymore. Earlier I was doing something like OR'ing (yes I had my reasons to do this) a value to the address...
Showing results 1 to 40 of 1525

 
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