Fixed incorrect trig connection
Split the concept of hsync, vsync and composite sync. When composite sync used tie vsync high. The offset hsync pulse of pal/hsync is only present for 15khz composite sync. Remove rom selection since its unused.
Making a start on 5200 support. GTIA needs to expose full consol output for this. So far just removed chips from custom top level and made address decoder adjustments.
No need for mmu to deal with refresh at all
Current unmerged vhdl for my Atari800 core and start at merging them into one tree with a common core