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Re: video tilemap problem
04/06/12 11:38 AM
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> hello , > > this is my first try on the MAME emulator project. > Board info : > CPU : MC68000 8mhz > Video : MC6845 > Audio : AY3-8912 > > I have done for the moment : > 1. mapping of the board > 2. skeleton of the driver (software run, but still some i/o todo) > 3. dump of ROM ,NVRAM, emulation of PAL > > currently , I am lost in the decoding of the video section > VIDEO RAM work with 2 BYTES > 1 ATTRIBUTE BYTE (color + bank select) > 1 TILE BYTE > > there is a BYTESWAP at the output of ROM GFX plus > a funny use of clock in the RASTER ROW. > > I have attached a DUMP of the videoram and the schematic > if someone can help me. > > thanks > > Yves
Nice... haven't seen a Winning Touch machine in many years - they were once commonplace in Victoria Australia, almost every gaming venue/pub/hotel had one! The games we had down here were all 5- or 10-game multigame units rather than standalone games.
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