Search found 658 matches

by leonard
Thu Nov 07, 2019 4:07 pm
Forum: Demos - General
Topic: state of the art atari SNDH music?
Replies: 34
Views: 3502

Re: state of the art atari SNDH music?

evil wrote:I can't tell which is which.


nice test! I have to admit it's same for me, I can't tell which is which. I'm surprised. I thought it will be more noticeable ( esp about some nasty jittering in the music tempo )
by leonard
Wed Nov 06, 2019 10:00 pm
Forum: Demos - General
Topic: state of the art atari SNDH music?
Replies: 34
Views: 3502

Re: state of the art atari SNDH music?

This is normal as many trackers use three timers for effects (A/B/D) and the remaining timer is C. Timer C is also used by the OS (plus harddisk driver) for it's 200 Hz clock. If you want to play the songs without killing the OS the normal thing is to hook on to the OS 200Hz Timer-C and call the mu...
by leonard
Wed Nov 06, 2019 8:23 pm
Forum: Demos - General
Topic: state of the art atari SNDH music?
Replies: 34
Views: 3502

Re: state of the art atari SNDH music?

I looked a bit at the 0913 music disk protection. That's quite funny actually. The protection is quite smart because it makes ripping hard even using emulator. However it "may" affect sound quality. Some part of the music driver are decoded/encoded real time using trace mode. During these ...
by leonard
Mon Nov 04, 2019 5:31 pm
Forum: Demos - General
Topic: state of the art atari SNDH music?
Replies: 34
Views: 3502

Re: state of the art atari SNDH music?

lotek_style wrote:Leonard: Ultrasyd does not want all of his songs to be SNDH because he is still earning money with them.


Really? he's making money with Atari tunes? how is that possible?
by leonard
Mon Nov 04, 2019 5:30 pm
Forum: Demos - General
Topic: state of the art atari SNDH music?
Replies: 34
Views: 3502

Re: state of the art atari SNDH music?

Gnu wrote:Leonard: Is there a 1mb version of We Were @ with YM music in the works?
:)


I don't think so! ( at least I'm not working on it :) )
by leonard
Sun Nov 03, 2019 10:21 pm
Forum: Demos - General
Topic: state of the art atari SNDH music?
Replies: 34
Views: 3502

Re: state of the art atari SNDH music?

ripping protection? for a musicdisk? that's strange. So it's on purpose? too bad we can't hear these great songs on PC with SNDH
by leonard
Sun Nov 03, 2019 6:32 pm
Forum: Demos - General
Topic: state of the art atari SNDH music?
Replies: 34
Views: 3502

Re: state of the art atari SNDH music?

wietze wrote:there is still a musicdisk left unripped out there! (013!)[/list]


Are you talking about this awesome music disk: https://www.pouet.net/prod.php?which=64496

You mean all these UltraSyd songs doesn't exist in SNDH archive?
by leonard
Sun Nov 03, 2019 12:01 pm
Forum: 680x0
Topic: fastest way to copy a memory block in 68060 assembly
Replies: 18
Views: 1907

Re: fastest way to copy a memory block in 68060 assembly

I didn't know anything about 68060 (except movep does not exist anymore :)). I didn't even know about the "move16" instruction existence. Sounds very nice!
by leonard
Sun Nov 03, 2019 12:00 pm
Forum: Demos - General
Topic: state of the art atari SNDH music?
Replies: 34
Views: 3502

Re: state of the art atari SNDH music?

wow thanks a lot for all these links! hours of listening in perspective!
by leonard
Mon Oct 28, 2019 9:17 pm
Forum: Demos - General
Topic: state of the art atari SNDH music?
Replies: 34
Views: 3502

state of the art atari SNDH music?

Hi! I'm looking for what you think to be the state of the art modern SNDH files. I know all classic old madmax tunes back in the day, but I'm not aware of any recent new music. If any of you could post here his top 10. I'm looking for state of the art atari soundchip music, as if you wanted to impre...
by leonard
Tue Aug 27, 2019 4:01 pm
Forum: Demos - General
Topic: "We Were @" demo question
Replies: 19
Views: 2957

Re: "We Were @" demo question

Cyprian wrote:Would be possible create the STfm version?


I won't try myself for sure :)
by leonard
Mon Aug 26, 2019 9:27 pm
Forum: Demos - General
Topic: "We Were @" demo question
Replies: 19
Views: 2957

Re: "We Were @" demo question

Hi,

You can download a new version supporting both 2MiB and 4MiB version! Just use the same download link in pouet.net page

https://www.pouet.net/prod.php?which=66702

Enjoy!
by leonard
Mon Aug 26, 2019 6:51 pm
Forum: Demos - General
Topic: "We Were @" demo question
Replies: 19
Views: 2957

Re: "We Were @" demo question

Or also, you could put together a 1mb version with an YM rendition of the soundtrack. :D Wow that's a greta idea :) If any musician is able to do that, I could do a 1MiB version one day with chip music! Anyway some of you have 2MiB machine, and I already have 2MiB version on my local disk, so let's...
by leonard
Sun Aug 25, 2019 8:25 pm
Forum: Demos - General
Topic: "We Were @" demo question
Replies: 19
Views: 2957

Re: "We Were @" demo question

troed wrote:Surely anyone with actual interest in using the real hardware has already maxed the SIMMs in their STEs? ST is a whole different ballgame however.


yeah, so maybe even a 2MiB version is useless :(
by leonard
Sun Aug 25, 2019 6:17 pm
Forum: Demos - General
Topic: "We Were @" demo question
Replies: 19
Views: 2957

"We Were @" demo question

Hi! I was about to release a 2MiB version of "We Were @" demo . This version is on my disk for a while. But I had a new idea: I think I can do a 1MiB version, without music. I want to know if I should do it or not. From one side, I think it's bad idea, because the demo without music isn't ...
by leonard
Sat Aug 24, 2019 1:38 pm
Forum: Coding
Topic: Timer B + DMA at once
Replies: 17
Views: 1836

Re: Timer B + DMA at once

I confirm the STE DMA sounnd playback does not take any cycle to the CPU or video decoding. The "We Were @" rely on that to display fullscreen effects with sampled music ( the sampled "free" playing sound is one of the great STE feature :) )
by leonard
Sun Feb 10, 2019 5:22 pm
Forum: 680x0
Topic: LZ4 decoder (assembler)
Replies: 48
Views: 20320

Re: LZ4 decoder (assembler)

Apart from the 4k binary Cyprian tried, has anyone done any other tests regarding pack ratio? I'm still favouring ARJ mode 4 and 7 for max pack ratio, but this looks like a great alternative for when depack speed is crucial. Regarding packing ratio, if you're looking for best ratio ever, use shrink...
by leonard
Fri Jan 18, 2019 12:23 pm
Forum: 680x0
Topic: LZ4 decoder (assembler)
Replies: 48
Views: 20320

Re: LZ4 decoder (assembler)

Hi! I was about to post something here about my fast LZ4 decoder, and by searching "LZ4" I find that thread! I did three versions of LZ4 depacker. One of them is quite fast. If anyone is interested: https://github.com/arnaud-carre/lz4-68k ( LZ4 has interesting properties, such as ability t...
by leonard
Tue Jul 18, 2017 6:42 pm
Forum: Coding
Topic: LZMA - best packing method ?
Replies: 11
Views: 8002

Re: LZMA - best packing method ?

UPX depacks faster than ARJBETA -m7 but has lower compression ratio. ( for instance, We Were @ demo won't fit on two floppies if I use UPX as a packer (I did the test))
If you really want best compression ratio and acceptable depacking speed, use ARJBeta.
by leonard
Thu Jul 13, 2017 11:03 pm
Forum: Coding
Topic: LZMA - best packing method ?
Replies: 11
Views: 8002

Re: LZMA - best packing method ?

For depacking speed of various depacker on various atari machine, you can refer to numbers here: http://www.atari-forum.com/viewtopic.php?f=16&t=31438&p=316491#p316491 (it includes depacker routine size, and packfire tiny and large model .pft and .pfl) Packfire has really good compression ra...
by leonard
Thu Jul 13, 2017 10:52 pm
Forum: Coding
Topic: Screen Pointer Update glitch
Replies: 6
Views: 6375

Re: Screen Pointer Update glitch

And if your frame rate has huge amplitude, you could generalize the algorithm to <n screen buffering> as in famous European demo 3D screen. I think they use 8 screens if I remind well.
by leonard
Sat May 13, 2017 4:12 pm
Forum: Demos
Topic: "We Were @" music
Replies: 7
Views: 10120

Re: "We Were @" music

BenOVR wrote:Do you have a native player for .ym ?


Hi Ben! comment va?

No there is no native YM player on ATARI :( It reminds I started to code one long time ago but never finished. Maybe I can look at my code archive.
by leonard
Sat May 13, 2017 4:09 pm
Forum: Demos
Topic: "We Were @" music
Replies: 7
Views: 10120

Re: "We Were @" music

unfortunately ST-Sound doesn't play it Oh god you're right! I tested the YM file with my XMPlay STSound plugin only! After investigation, StSound95 has a bug when dealing with signed "MIX1" music type! Instead of fixing StSound95 bug, I changed the YM file to unsigned sample data, so it's...
by leonard
Fri May 12, 2017 8:37 pm
Forum: Demos
Topic: "We Were @" music
Replies: 7
Views: 10120

"We Were @" music

Hi everyone! "We Were @" music is made of several sample loops, chained in real time depending of loading time, effect sync etc. Anyway I did a standalone version very close to the demo. It's made from the original loops from Clawz so it's 44Khz, 16bits stereo ( Atari version is downsample...
by leonard
Thu Apr 20, 2017 8:06 pm
Forum: The Digital Department
Topic: 8 channel MODs
Replies: 9
Views: 10303

Re: 8 channel MODs

The ST can too, but with audibly lower quality, You know. Paulo Simoes did a 8 (and even more) channels STF fast replay routine, with the best quality on STF I guess. http://www.pouet.net/prod.php?which=56822 Technical details here: http://www.atari-forum.com/viewtopic.php?f=28&t=20760

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