Genesis Plus GX 1.4.1

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Genesis Plus GX 1.4.1
Genesis/Mega Drive emulator for Wii
GenesisPlus.png

An update to Eke-eke's port to Wii of the open source Genesis Plus emulator. Changelog and download below.[/p]
Changelog:
[Core/Sound]
---------------
* implemented Blargg's blip buffer in SN76489 core (all channels are now lineary interpolated)

[Core/VDP]
---------------
* improved 2-cell vscroll emulation accuracy, as verified on real hardware (Gynoug, Cutie Suzuki no Ringside Angel, Formula One, Kawasaki Superbike Challenge)
* improved VBLANK flag accuracy, as observed on real hardware.
* improved DMA operations accuracy, writes are now performed on a scanline basis: fixes Gaiares (flickering title screen).
* improved DMA Fill timing accuracy.
* fixed DMA with bad code values: fixes Williams Arcade Classics (corrupted gfx after soft reset).
* fixed horizontal resolution changes during HBLANK: fixes Bugs Bunny in Double Trouble (2nd stage).
* fixed Vertical Counter in interlace mode 1, as observed on real hardware.
* fixed horizontal border width, as observed on real hardware.
* various code improvments & optimizations.

[Core/CPU]
---------------
* fixed state of Z80 registers on reset (sound issues with Defender & Defender 2 in Williams Arcade Classics)
* implemented 68k undocumented flags behavior for DIVU/DIVS instructions (Bloodshot / Battle Frenzy)

[Core/Extra]
---------------
* improved emulation of copy-protection hardware found in some unlicensed cartridges (Mulan, Pocket Monsters II).
* enabled simultaneous use of multitap & J-CART (Super Skidmarks 6-player mode)
* improved savestate format: added DMA, SVP, cartridge mapping & internal registers state informations
* improved unlicensed ROM mappers emulation
* added Chinese Fighters III mapper support
* added Top Fighter mapper support
* fixed Barver Battle Saga mapper support
* fixed cartridge hardware soft-reset (Game Genie, SVP, ...)
* fixed Game Genie registers byte reads

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Contributed by Urza
 

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Although the changelog on the Wiibrew page says it has been fixed, I still cannot load ROMs from USB with this version of the emu. Ever since the new GUI was implemented, it has been broken for me, and the only way I can play MD/Genesis games from USB is by using 1.3.1

Anybody else having this problem still?
 

Jacobeian

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Category said:
Although the changelog on the Wiibrew page says it has been fixed, I still cannot load ROMs from USB with this version of the emu. Ever since the new GUI was implemented, it has been broken for me, and the only way I can play MD/Genesis games from USB is by using 1.3.1

Anybody else having this problem still?

Works fine for me. You might need ios58 in HBC.
 

gloweyjoey

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Cant seem to get player 2 to work.

Went to button config for player 2, it then asked me to set the first button or press z to go back then it froze
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Hielkenator

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My apbroth forwarder channel that worked with previous versions DOES NOT work with this.

BUMMER

EDIT: I works!

Just needed to replace the dol with the uncompressed one wich eke eke provided!
 

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