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c0pperdragon / Amiga-Digital-Video

Add a digital video port to vintage Amiga machines
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Turning off HDMI output programatically #48

Closed c0pperdragon closed 1 year ago

c0pperdragon commented 3 years ago

I got a request about the possibility to turn off the HDMI output in certain circumstances. The main use would be to allow switching between the HDMI output of a Vampire card and the RGBtoHDMI automatically. But it could also be useful for implementing a simple video power-down mode.

@Ian I could imagine that the Amiga can be be programmed to turn off/suppress its csync signal (will check this). What would happen then on the side of the RGBtoHDMI? Would it just continue to display the content of its framebuffer, or would it turn off the output alltogether? Could such a behaviour be implemented?

aotta commented 2 years ago

I tested mi A600 vampire with latest driver and 3.1.4 amiga rom, and i get black screen, not gray, when rtg is not used. No way to add a parameter in config.txt?