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miniCDi - Philips CD-i emulator

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miniCDi
by CatmanFan
https://github.com/CatmanFan/miniCDi

capture_220b.png


An experimental multiplatform Philips CD-i emulator written in C++17, for Gamecube / Wii / Wii U / 3DS / Windows.

Features:
  • Mono-I board (CDI 200, CDI 220/20) fully supported, can run commercial game discs and homebrew
  • Mono-II and Mono-IV boards are partially supported, can run player shell but disc emulation is not available.
  • Emulation of the fluorescent tube display (FTD) on the player's front-facing panel
  • Partial audio support (soundmap playback via CPU is not 100%, but can read audio sectors from disc fine)
  • Experimental controller emulation
    • This is still not sorted out due to the nature of the CD-i pointing device being an absolute and not relative (i.e. tablet-style) type. This works fine for the player shell but translates to wanky controls on actual CD-i games.
  • And most importantly: confirmed to run on Windows, macOS (courtesy of yeah-its-gloria), (v)Wii, Wii U (WUHB) and 3DS. May not run up to fullspeed on all builds.

Controller support:
  • Gamecube controller. (GCN build only)
  • Wiimote.
  • Wii Classic Controller.
  • Wii U Pro Controller.

Notes for miniCDi:
  • App folder: root://apps/miniCDI/
  • BIOS folder: root://miniCDi/rom
  • Games folder: root://miniCDi/discs
The following boards and chips have been implemented. CD-i Fan has more information regarding hardware at cdichips repository.
  • Mono-I: SCC68070, MCD212, CDIC, SLAVE
  • Mono-II: SCC68070, MCD212, DRVDSP (stub), SLAVE
  • Mono-III, Mono-IV, Robocon: SCC68070, MCD212, CIAP (stub), IKAT
Only the Mono-I driver is capable of playing CD-i discs, since the DRVDSP and CIAP in later boards are not fully emulated. Certain software may softlock due to constant D-Pad movement polling by SLAVE (e.g. Zelda: Wand of Gamelon or CDi_BadApple).
 
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I cannot wait to try this. If you told me two years ago we'd have Saturn, Dreamcast, DS, 3D0 and Cdi emulation on Wii in 2026 I would have never believed it. What else can realistically be done???

One other thought, will this function as a WFL plugin?

Here is an overclock forwarder for this.
 
Last edited by P0intnCl1ckIt,
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P0intnCl1ckIt said:
I cannot wait to try this. If you told me two years ago we'd have Saturn, Dreamcast, DS, 3D0 and Cdi emulation on Wii in 2026 I would have never believed it. What else can realistically be done???

One other thought, will this function as a WFL plugin?

Here is an overclock forwarder for this.
Click to expand...
Definitely a surprising year. AI really changed the game for the possibilities on the Wii. When 3DO also advances, it will be nuts. Atari Jaguar at this point could be a reality, and I wouldn't be shocked if someone added core 32X emulation to GenesisPlus GX out of the blue.
 
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Another platform is always welcome; AI is a huge help. They could use the same approach to improve DOSBox or, who knows, PureDos.
 
niuus said:
miniCDi
by CatmanFan
https://github.com/CatmanFan/miniCDi

capture_220b.png


An experimental multiplatform Philips CD-i emulator written in C++17, for Gamecube / Wii / Wii U / 3DS / Windows.

Features:
  • Mono-I board (CDI 200, CDI 220/20) fully supported, can run commercial game discs and homebrew
  • Mono-II and Mono-IV boards are partially supported, can run player shell but disc emulation is not available.
  • Emulation of the fluorescent tube display (FTD) on the player's front-facing panel
  • Partial audio support (soundmap playback via CPU is not 100%, but can read audio sectors from disc fine)
  • Experimental controller emulation
    • This is still not sorted out due to the nature of the CD-i pointing device being an absolute and not relative (i.e. tablet-style) type. This works fine for the player shell but translates to wanky controls on actual CD-i games.
  • And most importantly: confirmed to run on Windows, macOS (courtesy of yeah-its-gloria), (v)Wii, Wii U (WUHB) and 3DS. May not run up to fullspeed on all builds.

Controller support:
  • Gamecube controller. (GCN build only)
  • Wiimote.
  • Wii Classic Controller.
  • Wii U Pro Controller.

Notes for miniCDi:
  • App folder: root://apps/miniCDI/
  • BIOS folder: root://miniCDi/rom
  • Games folder: root://miniCDi/discs
The following boards and chips have been implemented. CD-i Fan has more information regarding hardware at cdichips repository.
  • Mono-I: SCC68070, MCD212, CDIC, SLAVE
  • Mono-II: SCC68070, MCD212, DRVDSP (stub), SLAVE
  • Mono-III, Mono-IV, Robocon: SCC68070, MCD212, CIAP (stub), IKAT
Only the Mono-I driver is capable of playing CD-i discs, since the DRVDSP and CIAP in later boards are not fully emulated. Certain software may softlock due to constant D-Pad movement polling by SLAVE (e.g. Zelda: Wand of Gamelon or CDi_BadApple).
Click to expand...
Yeah!! Now we can play the worst Zelda game ever as original intended!! As his te A.I. want us to play it 😝🤣😝😀
 
AlfredoDore said:
Another platform is always welcome; AI is a huge help. They could use the same approach to improve DOSBox or, who knows, PureDos.
Click to expand...
I thought about DOSBox Wii too some days ago, yes. It had a last release that improved speed by a nice margin.

impeeza said:
Yeah!! Now we can play the worst Zelda game ever as original intended!! As his te A.I. want us to play it 😝🤣😝😀
Click to expand...
That is what all true warriors strive for!!
 
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I'm having trouble with this one with both the Wii (via overclock forwarder) and Wii U versions. The Wii version has black bars running up and down the screen that mostly obscure the bios menu, which it loads directly to without a disc selection screen.

As far as I am aware the bios is correct (have 200 and 220 in the rom folder). The Wii U version says no discs are found whether those are placed in Wiiu/apps/minicdi/discs on the sd or usb. Anyone had luck with either yet?
 

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