Recent Posts

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General / Re: Next System to be added
« Last post by lynxpro on September 22, 2019, 04:23:42 pm »
I guess I'm chiming in for the eventual next poll.

As much as I want to chime in with support for Atari TIA [2600 and 7800] and Atari POKEY [Atari arcades 1x/2x/4x chips, 400/800/XL/XE computers, XE Game System, 5200, and 7800 cartridges], I think the GI AY-3-8910/YM2149 should be next.

Why? Because it would cover the most retro platforms. The Amstrad CPC, the Apple II with MockingBoard sound cards, the Atari ST/TT/Falcon030, the Mattel Intellivision, the MSX platform, the Vectrex, and the ZX Spectrum. That's a lot of retro love and cross-platform porting capabilities for homebrew development efforts.

The Apple II fans are especially rabid for their MockingBoards*. They have modern clone boards of it and even back in the 80s, you could have 2 MockingBoards connected to each other for a total of 4 AY sound chips and thus 12-Channel Audio.  ZX fans have apparently created a Dual AY Board for their platform. There's yet to be a Dual YM Board for the Atari ST although Demick12 in another posting mentioned someone figured out how to connect 2 Atari STs together to play the audio in Gradius in 6 Channels. And The 8-Bit Guy was recently toying around with Dual AYs in his still-being-developed Commander-16 retro 8-bit computer...


*There doesn't seem to be much support amongst Apple II fans for audio boards to allow them to use the Ensoniq audio chip used by the Apple IIgs - which the SNES' sound chip is apparently based off of - in their regular Apple II computers. But they are going back and porting the audio from Atari ST, CPC, and ZX games back into Apple II games today...
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General / Re: POKEY + OPL3 support
« Last post by lynxpro on September 22, 2019, 04:02:23 pm »
There's a few other configurations...

*Dual and Quad POKEY were used by Atari Coin/Games in several of Atari's arcade games all the way to circa 1990.

*The 7800 had cart-based POKEY plus the onboard TIA. With the XBoard, you can have Dual POKEY plus the TIA. And with the XM Expansion Unit, you can have 1 POKEY, 1 TIA, and 1 YM2151. Assuming it's finally released...
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General / Re: The Atari PoKey on Deflemask
« Last post by lynxpro on September 22, 2019, 03:41:57 pm »
C'mon, guys, if you're going to show off what the POKEY can do, show off what Lucasfilm Games did with it in "Balllblazer".

With the help of CPU cycles from the 6502, folks have been able to get the POKEY - and the TIA in the 2600 too - to emulate the MOS/Commodore SID.

As mentioned above, in the Atari 8-bit scene - just as in the Commodore scene with SIDs - there are Dual POKEY upgrade kits that do Dual MONO and also Stereo POKEY. 8 Channels of 8-bit goodness or 4 Channels of 16-bit goodness.

Atari Inc's Coin-Op division [known as "Atari Coin" and later the independent "Atari Games Corp"...also known as "Tengen"] commonly used Dual POKEYs and later Quad POKEY configurations in their arcade games. Their Star Wars arcade games used Quad POKEY for 16-channel audio.

In the consumer market, the POKEY was used in the Atari 400/800/XL/XE computers plus XE Game System, the 5200, and in 2 Atari 7800 cartridges ["Commando" and "Ballblazer"].

There's a lot of homebrew 7800 games now using POKEYs in their cartridges, plus there was the XBoard internal upgrade kit that supported Dual POKEYs, several people that have wired single POKEYs into the 7800, and then there's the still-being-developed 7800 XM Expansion Device that has an onboard POKEY and a YM2151. And in each of these configurations, the 7800's TIA can also be used at the same time. Atari Corp's version of "Commando" for the 7800 used a POKEY in its cartridge for the 4-channel music while the TIA handled the 2-Channel audio sfx.

Phew.
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Show Off Your Work / Stuff from 2016/2017 I never finished/released
« Last post by kkzero on September 20, 2019, 11:27:48 pm »
I did quite a bit with Deflemask a few years back, but I only publicly released like 3 of the things I made. This is a collection of everything that I didn't release or finish. A bunch of NES, C64, GB, PCE, and Genesis stuff.

Each directory in the root of the zip has a file called info.txt that gives a little bit of a background to each song.

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ROM-builders / DMF player in C for YM2151?
« Last post by FrankBuss on September 20, 2019, 08:19:48 pm »
I would like to play DMF files on a system with a 6502 CPU and a YM2151. I use CC65 to compile my C program for it. Is there a C player to read the DMF format and control the YM2151 registers? And I guess I can use "Arcade (YM_2151, SEGA PCM)" as the system, if I don't use samples?
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Bug Reports / Noise is broken in 0.12.1
« Last post by snot sos on September 20, 2019, 05:21:03 pm »
I recently just changed my version of Deflemask from one I had in 2017 to 0.12.1, and for some reason this particular song doesn't care about 11xx for some reason. Prior to updating Deflemask, this song played correctly.
I have no idea why though, since every other song sounds fine.
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General / Re: DefleMask Mobile
« Last post by RileyGuy on September 19, 2019, 07:06:50 pm »
Yeah, I tested it and it didn't seem to have any response to the keyboard.  I'm not sure what kind of treatment it would require with the programming, but it may be relatively simple to have the software recognize the peripheral device.  It connects to the iPad Pro through magnetic contacts on the side of the device instead of using bluetooth.
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Show Off Your Work / Re: My Music
« Last post by Delek on September 19, 2019, 01:58:14 pm »
Epic!
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General / Re: DefleMask Mobile
« Last post by Delek on September 19, 2019, 01:57:44 pm »
Hmmm, we tested standard keyboards connected through USB and those worked well. So the Smart Keyboard requires a special treatment? Did you test it?
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General / Re: DefleMask Mobile
« Last post by RileyGuy on September 18, 2019, 11:58:04 pm »
Any plans to update the iOS version with support for the Apple Smart Keyboard (iPad Pro keyboard) for use of those nifty keyboard shortcuts when on the go?
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