NullDC4Wii

NullDC4Wii
General
Author(s)	Xale00, NullDC team, skmp, Flycast Team
Type	Console emulator
Version	alpha 0.17
Licence	MIT/GPL
Links
Download
Source
Peripherals

NullDC4Wii is a port of NullDC originally coded by skmp. This is a Dreamcast Emulator.

Installation

?

BIOS File

Mandatory BIOS files in SD:/data/ (for dolphin) or SD:/apps/nulldc4wii/ (Real Wii)

- dc_boot.bin
- dc_flash.bin
- fsca-table.bin

Optional BIOS files in SD:/data/ (for dolphin) or SD:/apps/nulldc4wii/ (Real Wii)

- dc_flash_wb.bin
- syscalls.bin
- IP.bin

- dc_nvmem.bin
- vmu_default.bin

Game File

Game file in SD:/discs/ Put your folders with GDI in this directory

CDI/ELF do not work

Might work for BIN / CUE / ISO / NRG / MDS, let me know please !

Controls

Wiimote and Gamecube

In Menu

Only Wiimote for now

In Game

?

Graphical Setting

Use LOW for 2D and heavy 3D games

Use NORMAL for other games

History

=== Alpha 0.17

Some fuzzy Elements now display without glitch

4BPP and 8BPP palette conversion started

=== Alpha 0.13

Fixed a Regression

=== Alpha 0.11

Fixed some Fuzzy text

=== Alpha 0.10

Lots of textures fixed (VQ Texture now display)

=== Alpha 0.09

Some texture & color fixed

=== Alpha 0.08

RATIO : choose between FULLSCREEN and 4/3 (still buggy for some games)

=== Alpha 0.06 - March 1, 2026

Faster Loading times

=== Alpha 0.05 - February 15, 2026

FPS boost +30% to +100%

=== Alpha 0.04 - February 04, 2026

Controller Mapping changes

=== Alpha 0.03 - January 25, 2026

Added game selector : Navigate trough folder & file

=== Alpha 0.02 - January 22, 2026

Launches on both Dolphin and a Real Wii

Can navigate trough menu (Bios)

Tryed with Sega Tetris, slow, buggy but it runs

Youtube video

Alpha 0.04

About that obscure version that was made years ago : a Youtube video was uploaded a while ago but the channel was terminated

See

https://www.reddit.com/r/WiiHacks/comments/fet6lg/wii_dreamcast_emulator/?tl=fr

https://web.archive.org/web/20190926010816/https://www.youtube.com/watch?v=8b8RsEBCLhs

Game Comptability

The compatibility list for NullDC4Wii can be found here.

Thanks

Xale00, Skmp, NullDCcontributors, DevkitPPC/libogc