MONITOR COLOUR — OLD vs NEW

All panels run the same synthetic time-domain signal and analyser settings. Compare the amber-to-green sweep and the seam in the thick parts.

BEFORE (full retrace)

NOW (scroll-blit, dense body)

Press INSPECT after both panels finish rendering. Numbers show the mean over the lit core band (rows 40..160): alpha and RGB of the brightest pixels, plus the mean alpha of all pixels in the band.