In the main MiSTer file update today (20181221) there was a change to the integer scaling option in the associated .ini file.
What was once vscale_integer= is now vscale_mode= and has new options.
Here is the new section in the MiSTer.ini:
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vscale_mode=0 ; 0 - scale to fit the screen height. ; 1 - use integer scale only. ; 2 - use 0.5 steps of scale. ; 3 - use 0.25 steps of scale.
I personally have always used integer scaling in all my gaming setups to get the most crisp pixels and in some cases use scan lines or LCD (square pixel outlines) filters. In emulation, any scaling that wasn't integer would make filters or overlays look horrific - but I never had control over precisely choosing quarter or half step scaling.
Short of simply trying it myself on many games for each core for hours of testing, does anyone know how good or bad it would look to use these new options with filters for scan lines or LCD effects since they are exactly quarter or half steps?
Thanks in advance.