Search found 155 matches

by alko
Wed Jun 15, 2016 11:02 am
Forum: Demos
Topic: Satan Ball (Кровавыш)
Replies: 14
Views: 4440

Re: Satan Ball (Кровавыш)

dink wrote:Where is the rom at?
the game is not finished.
For switching levels necessary recompile source-code.
Also, I'm going to write the music - black-metal cover's (for now there is only one track).
by alko
Sat May 21, 2016 5:36 am
Forum: SGDK
Topic: Sound analyzer
Replies: 10
Views: 2347

Re: Sound analyzer

Stef wrote:So maybe trying to read the YM2612 sample out from test register or you need to "simulate" YM state to know its current output level (i'm using the second solution in my XGM player).
But I do not know how to read registers.
What function do it?
by alko
Fri May 20, 2016 1:56 pm
Forum: SGDK
Topic: Sound analyzer
Replies: 10
Views: 2347

Re: Sound analyzer

Not necessary frequency spectrum.
at least something.
even banal check for PSG or FM signal.
https://youtu.be/b-bkMvSSII0?t=281


I just want to synchronize animation with music
by alko
Fri May 20, 2016 5:23 am
Forum: SGDK
Topic: Sound analyzer
Replies: 10
Views: 2347

Re: Sound analyzer

I would at least make an analysis of whether there is a signal from generator's or not.
at least make any reaction.
I can't do it at this moment.
I do not know which parameter is to assign a function.
YM2612_read (const u16 port)

port=0,1,2,3 - value return 0
by alko
Thu May 19, 2016 7:48 pm
Forum: SGDK
Topic: Sound analyzer
Replies: 10
Views: 2347

Re: Sound analyzer

I guess only by this function
u8 YM2612 read (const u16 port)
by alko
Thu May 19, 2016 11:19 am
Forum: SGDK
Topic: Sound analyzer
Replies: 10
Views: 2347

Sound analyzer

How to make a sound analysis when playing VGM-music?

https://youtu.be/7VP2YwJen9w?t=14
by alko
Wed May 18, 2016 9:06 pm
Forum: Demos
Topic: Satan Ball (Кровавыш)
Replies: 14
Views: 4440

Re: Satan Ball (Кровавыш)

a unique case with complete rotate 360'
https://youtu.be/OGDtViPngi8?t=217


there can be seen the prerender on certain areas.
by alko
Wed May 18, 2016 9:04 pm
Forum: Demos
Topic: Satan Ball (Кровавыш)
Replies: 14
Views: 4440

Re: Satan Ball (Кровавыш)

I used just vertical 16px and horisontal 1px scroll's, nothing else.
just like there:
https://youtu.be/mNw45LAGtBo?t=416
https://youtu.be/IjcwQ8uvdMA?t=2248
https://youtu.be/QViCyu7A6t0?t=132
https://youtu.be/NcL_kM9twZk?t=449

etc.
by alko
Wed May 18, 2016 7:20 am
Forum: Demos
Topic: Satan Ball (Кровавыш)
Replies: 14
Views: 4440

Re: Satan Ball (Кровавыш)

Rotations tiles code - ASM? Код вращения спрайтов/фонов на АСМе? Спрайты не вращаются. Да и на сеге они никогда не вращались. Боссы той же Contra hard corps, Gunstar Heroes, Exo-Squad, Red-Zone и т.д. - с пре-рендеренными поворотами сегментов. А фоны, как уже было сказано выше: Vertical column scro...
by alko
Tue May 17, 2016 5:14 pm
Forum: Demos
Topic: Satan Ball (Кровавыш)
Replies: 14
Views: 4440

Re: Satan Ball (Кровавыш)

More effects

Image

Image

Image
by alko
Mon May 16, 2016 11:42 am
Forum: Demos
Topic: Satan Ball (Кровавыш)
Replies: 14
Views: 4440

Satan Ball (Кровавыш)

BreakOut-clone based on the biblical mythology.

Image

Image

More info:
http://alko-art.ru/2016/05/14/satan-bal ... vyj-myach/

Online-demo:
http://alko-art.ru/emulator/
by alko
Sun May 15, 2016 7:46 pm
Forum: Demos
Topic: Screensaver for sega genesis.
Replies: 2
Views: 1619

Screensaver for sega genesis.

Just animated screensaver.
Image

In this demo used palette animation and per-tiles plane scrolling.
More info and dowload ROM here:
http://alko-art.ru/2016/05/15/screensav ... megadrive/
by alko
Fri Apr 15, 2016 11:07 am
Forum: SGDK
Topic: Per-pixel place image on plane.
Replies: 3
Views: 1410

Re: Per-pixel place image on plane.

Stef wrote:Unfortunately not in a easy way... Why are you trying to do that ? Can't you use scrolling ?
sprite generator has a limit by the size and number of sprites.
if I place software "sprites" on plane, then will be no limitations.(but to the detriment performance, of course.)
by alko
Mon Apr 11, 2016 7:17 pm
Forum: SGDK
Topic: Per-pixel place image on plane.
Replies: 3
Views: 1410

Per-pixel place image on plane.

Is possible position the image on the plane with pixel precision?