The three-byte codebook version (the mazinger demo) can't even afford the increment, and just does a sty $d020, which takes 2 cycles less, hence the colorbars l

The three-byte codebook version (the mazinger demo) can't even afford the increment, and just does a sty $d020, which takes 2 cycles less, hence the colorbars look a bit different on that one. But the audio sounds better.