Made the same as Robins version, which worked!
EDBLL apparently works with lower drive strength - there are some crosstalk issues I read. Added GPIO lower drive strength. Removed 25ohm resistors.
New GPIO layout for PBI implementation
Merged in first cut cartridge emulation support from Hias. Excellent:-)
Start connecting up switches/gpio again. So far joystick... Also connected antic refresh to sdram.
Added ZPU - it works. Need to add GPIO joystick back in...
DE1 working with SRAM against common core. Plenty of features lost!
Current unmerged vhdl for my Atari800 core and start at merging them into one tree with a common core