Snes 512×224 in 256×224 optimized mode

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  • #24606
    klm
    Participant

    I’m playing around with an old Iyama monitor I got from a friend and just got L5x in 256×224 optimized working and it looks amazing. However I can’t get 512×224 mode graphics looking crisp. I’ve managed to at least get readable text on screen in Seiken Densetsu 3 and the SD2Snes menu, it’s acceptable but doesn’t look great. Is it even possible to get this right without messing up 256×224 resolutions and if so, what settings can I try to play around with?

    #24607
    marqs
    Participant

    Try using 512×240 optimized mode (introduced in v0.82) instead. 256-column modes should still look okay with that.

    #24611
    klm
    Participant

    Oops! I had completely missed this firmware update, what a lucky coincidence that this was just implemented, thanks Marqs!

    Upgraded and it looked great right off the bat, I didn’t even need to adjust the sampling phase.

    It’s funny to think back of how impressed I was when I got my first unit a little over two years ago. If I configure my OSSC using only settings available back then (no L5X, and no snes deblur in particular) what impressed me back then looks like a blurred mess to me now. I really can not imagine any other feature to wish for now to make my snes experience more pixel perfect. Amazing work.

    #24748
    Winneon
    Participant

    Sort of related: is it possible to have the 512×240 optimized mode to display an aspect ratio of 4:3 instead of 1:1?

    #36329
    Fed
    Participant

    Did you ever find a way to achieve that @Winneon ?

    #36372
    Harrumph
    Participant

    No, aspect ratios are fixed when in optimized mode. The aspect ratio varies by line mode, because of the multiplication factor used.

    The one closest to 4:3 would be x5 mode (it is a bit too wide), x4 is 1:1 (i.e. 8:7), x3 is even wider than x5, and x2 is ludicrous wide.

    You can see the horizontal multiplication factors used for each mode at the bottom of the optimal timings wiki page:
    http://junkerhq.net/xrgb/index.php?title=Optimal_timings

    It’s a shame the table is kind of hidden away like that actually, because people ask this kind of question all the time.

    #36373
    Fed
    Participant

    Got it and it does make sense when you think of it.
    I think I will simply stick to “line 4x mode” with “Generic 4:3” configuration when wishing to play games with 512 lines in correct aspect ratio.
    “512×240 optim.” looks very crisp but the aspect ratio does feel a bit odd.
    I guess it is down to personal preference as to which way you want to go and it is great to have both options.

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