Changes
ASIC
,/* Hardware sprites */
Sprites are prioritized so that the border has the highest priority, followed by sprites 0 to 15 in sequence, then the main screen data.
There is only one pixel per byte in sprite image data. Bits3..0 of each byte define the palette index for this pixel(a value of 0 means transparent colour). Bits7..4 are ignored.
Each sprite magnification is coded in 1 byte:
