'''crazycar2.dsk''' does use lowerVRAM=10 (&8000-BFFF and &C000-FFFF area for VRAM) while overscan presentation, and lowerVRAM=00 (&0000-3FFF and &C000-FFFF area for VRAM) during play.
'''one.dsk''' does use lowerVRAM=01 (&4000-7FFF and &C000-FFFF area for VRAM) at titlescreen, and lowerVRAM=00 (&0000-3FFF and &C000-FFFF area for VRAM) at gameplay.
'''scarabus.dsk''' does use lowerVRAM=01 (&4000-7FFF and &C000-FFFF area for VRAM) at titlescreen, and lowerVRAM=10 (&8000-BFFF and &C000-FFFF area for VRAM) at gameplay, it is slow refresh : map if down, left hand if click.
XOR.dsk does use lowerVRAM=01 (&4000-7FFF and &C000-FFFF area for VRAM)