Before revision: The graphical chip Agnus could access directly RAM and pilot it with DMA (Direct Memory Access) privileges, and featured Bit Blitter and Copper circuits capable to move ranges of pixels on the screen and deal directly with the electronic beam of the TV set.
After revision: The graphical chip Agnus could access directly RAM and pilot it with DMA (Direct Memory Access) privileges, and featured Bit Blitter and Copper circuits capable of moving ranges of pixels on the screen and deal directly with the electronic beam of the TV set.