VGA Incompatible Games

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MoeFoh
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Re: VGA Incompatible Games

Post#41 » Thu Apr 15, 2021 9:35 pm

mkandersson1082 wrote:
MoeFoh wrote:The problem with Gunbird 2 when it gets to stage two has been known.

This has been bothering me for years. The Hydro Thunder NTSC/U VGA release outputs 480i VGA instead of 480p VGA. This makes it not work VGA to HDMI cables. Can someone (megavolt85) look at the code. It's the only Dreamcast release I know of that does this.

My unmodified TOSEC version of Iron Aces works with VGA. I was expecting it not to.


Hydro Thunder displays with my VGA to HDMI adapter, but the screen flickers every couple of seconds, making it unplayable.


I ran some test today on my Hyperkin HDMI cable with GDEMU:
Hydro Thunder v1.002 (NTSC/U) (GDI) - flickers, like you are describing. No Native VGA support.
Hydro Thunder v1.020 (NTSC/U) (GDI) - black screen. Native VGA support.
Hydro Thunder v1.020 (NTSC/U) (CDI) - CDI from NBS. Black screen. Native VGA support.
Hydro Thunder v1.009 (PAL/E) (GDI) - flickers. No Native VGA support.

Aqua GT v1.000 (PAL/E) (GDI) - works with REGION FREE and FORCE VGA. No Native VGA support.
Download: https://the-eye.eu/public/rom/Sega%20Dr ... %21%5D.zip
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