Xmas Megamix by Artstate
screenshot added by Motion on 2021-01-06 10:08:43
platform :
type :
release date : january 2021
  • 7
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popularity : 53%
  • 0.58
alltime top: #14518
added on the 2021-01-06 10:08:43 by Motion Motion

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Nice funky techno music. I like it a lot.

This music-disk needs 1Mb of Chip RAM. It works fine on A500+ and vanilla A1200.

However, there is a problem if you try it on a expanded Amiga. It doesn't work! No sound!

Perhaps you are not taking in count the systems with relocated VBR?
This can happen if you use P61 in system-kill mode and you forgot to store the VBR in P61_VBR.

Fix it and you'll get my thumb up. :]
added on the 2021-01-06 11:53:45 by ham ham
No P61, just a bog standard large .mod file over 680 Kb, I had tempo issue with Tracker Packer, so I stuck with PT CIA replay. Perhaps my compile options are skewed? Thanks for the heads-up HAM.
added on the 2021-01-06 11:58:50 by Motion Motion
The problem interrupt related, I had a quick peek at the code and noticed an and.w #10,$dff01e instruction, this will write to a read only register. This is not the cause of the problem but should be fixed anyway. :)

The real problem is using a system-friendly CIA interrupt when the OS is killed. This needs to be changed to use a hardware level 6 interrupt. I'll write you a mail later with more detailed info.
added on the 2021-01-06 12:16:47 by StingRay StingRay
Perhaps some light technical improvments are possible. It is always the case for any prod...
Anyway a very neat screen, smooth with nice colors and a cool tune.
rulez added on the 2021-01-06 13:49:57 by Aghnar Aghnar
The download link now points to an updated version which fixes the replay problems on 680x0 Amigas and has some other slight improvements.
added on the 2021-01-08 09:05:26 by StingRay StingRay
The song is good and it works with "1MB Chipram + 0 Fastram", so 1MB memory in total is sufficient. Sadly it don't work, if this 1MB consists of "512kb Chip + 512kb Fast". Can it made compatible with this standard A500 configuration?
added on the 2021-01-08 23:42:51 by AW87 AW87
It feels like yet another production not properly tested on target platforms before release.
added on the 2021-01-09 07:41:55 by AlienTech AlienTech
@AW87: The issue lies with the fact that a regular Amiga can only address 512Kb of data to the custom hardware, the ECS allows for 1MB to be addressed. So A500+ is the bare minimum. The module is 618Kb in size (down from 728Kb in its original release state at FORNDATA, just by editing).

@AlienTech: Very much the case. I code on a Raspberry Pi 3 in Amibian and my only Amiga's are standard A500's with 1MB (512Kb RAM split). On the plus side, with Stingray's experience, I've been shown the way and hopefully this won't be an issue going forward. I took a risk and was prepared to fail, and all the wiser for it.
added on the 2021-01-09 13:28:23 by Motion Motion

I understand, thanks for the update.
added on the 2021-01-09 14:24:01 by AlienTech AlienTech
Nice tune! I've made a video with the whole scroller - I hope it is useful for those that can play it on an Amiga or emulator right way: https://youtu.be/uPRIIB7N6DE
rulez added on the 2021-01-15 05:22:33 by pedgarcia pedgarcia
Nice tune and an old school feel :)
rulez added on the 2021-01-20 22:28:39 by Sir_Lucas Sir_Lucas
Nice prod!
rulez added on the 2021-01-21 00:14:08 by sachy sachy
Nice enough, tune not my cup of but i guess nothing wrong with it.
added on the 2021-01-21 07:14:58 by Serpent Serpent
Nice tune and presentation!
rulez added on the 2021-02-16 17:14:16 by grip grip
The gfx (logo) is good, althou nothing reaching AGA capabilities here.
The music is not my cup. Some parts are good (90 jungle style) some are not.

Gonna give it a thumb up for the effort and passion =).
rulez added on the 2021-02-18 14:20:43 by sim sim

The gfx (logo) is good, althou nothing reaching AGA capabilities here.

The music disk runs on OCS/ECS machines, AGA is not required.
added on the 2021-02-18 16:40:29 by StingRay StingRay
The download link now points to an updated version which fixes the replay problems on 680x0 Amigas and has some other slight improvements.

So here is the promised thumb up!
rulez added on the 2022-10-19 21:45:54 by ham ham

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