Agnus/ Read/ Denise/ Register Address Write Paula Function -------- ------- ----- ------- -------- BLTxDAT 074 W A Blitter source x data register This register holds source x (x=A,B,C) data for use by the blitter. It is normally loaded by the blitter DMA channel; however, it may also be preloaded by the microprocessor. LINE DRAW BLTADAT is used as an index register LINE DRAW and must be preloaded with 8000. LINE DRAW BLTBDAT is used for texture; it must LINE DRAW be preloaded with FF if no texture LINE DRAW (solid line) is desired.
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