Search found 21 matches

by sigMate
Tue Jan 20, 2015 12:57 pm
Forum: Collaboration
Topic: GENESology (or MDology?, depending)
Replies: 2
Views: 2302

I like GENESology too even though I was not used to the US name. It always has been Megadrive for me but GENESology just sounds right and cool.
by sigMate
Sat Dec 27, 2014 8:14 am
Forum: Sound
Topic: New Documentation: An authoritative reference on the YM2612
Replies: 834
Views: 309548

Would be very interesting to know how many cycles are needed for each type of register changes. I guess there'd be no other option than polling the state of the BUSY flag while counting cycles, right ?
by sigMate
Tue Jul 08, 2014 7:06 pm
Forum: Exodus
Topic: Website down ?
Replies: 4
Views: 2405

Yeah MoD, I get the same on my dedicated servers, and also my mobile (through cellular network) but not from my home PC but I saw some really huge TTLs on the DNS zone. I think that's why.

Thanks for your feedback !
by sigMate
Tue Jul 08, 2014 6:43 pm
Forum: Exodus
Topic: Website down ?
Replies: 4
Views: 2405

Hi Nemesis, Lithium Hosting seems to do the job for you. If you change your mind or if you need something more (unlimited subdomains, extended services, etc...), I'd be glad to help (I mean for free of course). Would be my pleasure to host anything about your work. BTW, here's what we currently on s...
by sigMate
Fri Jul 04, 2014 9:09 pm
Forum: Exodus
Topic: Website down ?
Replies: 4
Views: 2405

Website down ?

Hi Nemesis, Did I miss some info about your website ? It currently points to a kind of parking page. Are you in the middle of moving to another web hosting service ? I have a few dedicated servers that could handle the load if you need some space and bandwidth. Looking forward to see your website ag...
by sigMate
Thu Mar 13, 2014 10:47 pm
Forum: Hardware
Topic: Hardware VGM player
Replies: 13
Views: 3710

Don't forget to use load resistors on MOL and MOR ! These are designed to source current, not to sink current. I fried a YM2612 at first, ignoring this. The chip was very (too) hot. I almost burned myself while touching it. After that, the chip continued to work, but the sound was all distorted.
by sigMate
Thu Jan 03, 2013 6:15 pm
Forum: Announcement
Topic: Happy new year!
Replies: 10
Views: 3571

Happy new year everyone !
by sigMate
Wed Oct 24, 2012 9:54 pm
Forum: Sound
Topic: YM2612 write/read/register select
Replies: 33
Views: 9647

Hi ! I don't know if digitalWrite is a hundred times slower than port manipulation but I clearly remember looking into Arduino source code to figure it out and I was just shocked ;) Although I perfectly understand the philosophy of Arduino and I'm not blaming. It's just that it's... slow :) Of cours...
by sigMate
Sun Oct 14, 2012 3:48 pm
Forum: Sound
Topic: New Documentation: An authoritative reference on the YM2612
Replies: 834
Views: 309548

Does it operate in 5V or 3.3V ? Where did you got any schematics or pin assignments ? Any doc or so ?

Thanks man !
by sigMate
Sun Oct 14, 2012 2:21 pm
Forum: Sound
Topic: New Documentation: An authoritative reference on the YM2612
Replies: 834
Views: 309548

:shock: Wait... Shall I understand that, except for the $2C register, the YMF276 is register-map and feature-set compatible with the YM2612 ??? I couldn't find any datasheet for the YMF276, but it sounds really good !!!
by sigMate
Tue Oct 02, 2012 7:55 am
Forum: Sound
Topic: VGM player. Plays samples correctly, Works on real machine.
Replies: 30
Views: 24582

I noticed the VGM files are sometimes not very accurate at their beginning, where they need to fully place th YM chip in it's initial state before the song actually starts, they often throw the entire registers configuration in almost one single frame which is fine for emulators but not for a real c...
by sigMate
Sun Sep 30, 2012 8:53 am
Forum: Sound
Topic: YM2612 write/read/register select
Replies: 33
Views: 9647

Hi ! Congrats on your project. There's a lot of very interesting things to learn in these situations ! If I may suggest something about your Arduino code, you should always try to avoid digitalWrite at all times because it is a very slooooow instruction. Especially when you'd theoretically need seve...
by sigMate
Wed May 09, 2012 6:35 pm
Forum: Sound
Topic: ym2612 gets hot
Replies: 11
Views: 3556

Same thing happened to me first time I used an YM2612. Actually, the chip didn't fried but it sounded awful after that. Maybe yours isn't totally dead ? To check mine, I unsoldered the YM2612 from a real Genesis and I put a DIP socket instead to switch between chips more easily. It was almost fun to...
by sigMate
Wed May 09, 2012 5:01 pm
Forum: Sound
Topic: YM2612 fully accurate VGM hardware player
Replies: 10
Views: 4531

@sega16: I used an LTC1799, a variable oscillator. It is precise and easy to configure.

Cheers !
by sigMate
Sat May 05, 2012 7:02 pm
Forum: Sound
Topic: SN76489 noise channel issue : sounds totally wrong
Replies: 3
Views: 10231

Well, it turned out I solved it by myself but I'd like to share this with you guys since I think it's revealing something I just couldn't find ANY documenation about. As you probably know, most noise sounds are produced by configuring the noise channel to use tone channel 3 output as a shift rate an...