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fc: adjust overscan numbers #1801

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merged 3 commits into from
Jan 29, 2025

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FitzRoyX
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Overscan=off now shows active display centered and intact for both regions. The pal ppu micromasking behavior was corrected (253 vs 254) and commented out.

SMB2 EUR full frame
smb2_e_fullframe

before/after

smb2before ares-n

before/after
Untitledggg Untitledhhh

@LukeUsher
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I am happy to accept the overscan changes in this PR

However, I would like to keep the blanking of the sides and top in PAL regions, though. My reasoning here is that while overscan is a property of the display and is subjective, the blanking of the top 1px, left 2px, and right 2px is an actual behaviour of the PAL PPU and is not subjective; there is no way real hardware would ever display these lines regardless of overscan/scaling.

if you want to keep the pixel aspect ratio/screenshot size the same, I'm happy for those lines to be left black, but I hold firm that we should keep them emulated, as this is how the PPU behaves.

@FitzRoyX
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Yeah I had a feeling you'd say that. It would be nice to have a toggle for this in the video section at some point.

@LukeUsher LukeUsher merged commit ce2e6f8 into ares-emulator:master Jan 29, 2025
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@FitzRoyX FitzRoyX deleted the fc-adjust-overscan-numbers branch February 2, 2025 04:06
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2 participants