Zoomed Sprites

Earthworm Jim uses the VDP in a very complex way: It draws the screen in a classic way and then, on line 145 switch off the display, and enable it again 2 scanline later, with VDP REG1 bit1 (use 8x16 sprites) and REG1 bit0 set (sprite pixels are doubled in size). This is one of the rare game that uses 16x32 sprites VDP capabilities.

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