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.
Connected scandoubler
Fixed build error
Make sures its named 5200 throughout
First cut of 5200 support for the DE1. Might want to share this with the Atari 800 verison - with a generic. PAL/NTSC PLL not working for some reason... firmware forked for 5200 - will be merged before commit