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ChipMusic.org / Forums / Posts by nitro2k01
Topics by nitro2k01
Posts found: 1,361-1,376 of 2,184
Frostbyte wrote:Is it possible to stuff a SID chip in the GB? dreams come true! ;D
Thanks for even trying this idea nitro!
Nah, what I'm talking about at this point is an FM chip that's small in size. This wouldn't quite be a SID, but still a new flavor compared to the boring regular Gameboy sound channels.
But in general, the SID chip can be interfaced by "any" CPU. (Assuming the CPU is using +5V logic and is not faster than the SID can handle.) In the early days, before the C64's success, the SID was marketed to external companies as a general purpose sound chip, but apparently that was never very successful. I'm guessing MOS Technology (by this time owned by Commodore) later stopped trying to sell it to 3rd parties to keep the competitive edge of the C64.
Lazerbeat, once again I must politely decline the offer. For one, I think the VRC7 is too big to fit a DMG. But I would also feel bad about butchering rare (?) game cartridges. If this is done, at least they should be placed in NES flash cartridges. And/or use Tiny Toon Adventures 2, which apparently doesn't use the sound functionality in VRC7.
Hmm, I might be able to do this.
I can't guarantee that I will have this working overnight if I was sent a chip, but I do have a theory for how to make it work. (For those who may be interested, it involves using the echo RAM space as register space for the sound chip.)
ant1: Depends on whether you want mold your own cases. Also, there's a slight difficulty using through hole chips in a GB cartridge since the PCB normally lies flush against the bottom of the cartridge case, but a through hole component take some extra space under the board for the chip legs and the solder. You could get around this in various ways, but extra work.
Thanks for the offer Lazerbeat, but the YM2164 is less suitable for this than the YM2413 because of its size, and also because requires an additional external digital to analog converter chip. So it wouldn't be practical, if even possible to fit everything needed inside a DMG. YM2413 is smaller (even if more limited) but has everything built in.
Well, if anyone has a YM2413 that they can donate to me for science, let me know.
Same way as you control it from a C64's 6502, you map some address space to it. A couple of problems, however. You need a +9V or +12V supply (depending on the SID chip type.) The SID chip is rather bulky and couldn't fit comfortably in either the Gameboy or a cartridge. The voltage range on this input is rather small, and the SID signal could easily get distorted.
What would be more realistic is probably to use a SN76489 or similar simple and small chip.
Mostly vaporware as it turned out. The idea of Backwood Scotty board was sound in theory, but I'm wondering if it would be worth the effort. If you're just looking for a flash cartridge, I suggest you buy one of the existing models, or wait for derpie.
If you want to learn about this stuff, I recommend you join this e-mail list: http://groups.yahoo.com/group/GAMEBOY_Electronics/
munchluxe83, I don't know what your project consists of, but if you're planning to use a regular link cable to connect to your project, and also tap power off of the Gameboy, you need a modded cable plug to do that reliably. The cables typically do not carry the +5V pin from one end to the other. If this is the case, use half a cable for your project and connect the wires inside your box.
herr_prof wrote:yea but that isnt a usb input, is there a sheild with usb host?
Did you look at the socket in ashimoke's pic? Or click the link? "Interfacing MIDI devices with Arduino using USB Host Shield"...
"Nigel Multi-Effects"
YO SASKROTCH!
Boner, may I ask you what problem you're having with your EMS cartridge? Whatever it is, it's likely fixable.
Ok. To be more precise, how severe is the physical damage?
Unrelated question. but how did your EMS cart break?
Time To Get Obscure - Compilation for weird time signatures
This is a compilation frmo 2009. There's no official page for it anything like that I think. There used to be a discussion about it on some other site, but then said site accidentally the whole thing or something like that.
Are you getting any error messages when trying to compile?
Posts found: 1,361-1,376 of 2,184
ChipMusic.org / Forums / Posts by nitro2k01