Fixed up on port 3
Sound appears to be back to front on the chameleon top level!
Connct triggers in atari 800 mode
Fixed incorrect trig connection
Only enable portb ram control on xl/xe
A800 and XL core build for chameleon, now to test M.U.L.E!
Atari 800 core to use docking station sticks 3 and 4
Repeat much more quickly
blank fix and use 64k
Started ram test. Added SDC files
need to write something here too
Simple core that iterates over the gpio pin by pin
Hello world a800 core build, not yet tried on hardware
starting to write some test cores
Reminder of BGA placement tabs
Added eclaireXL 1.2 board revision BOM
Plugged in the sram model to check timings
Need to review further, but these changes seem to bring the 65816 core to life somewhat
Added testbenches. Do not respond to bus cycles that do not target the cart
sram model for tb
Moved memory timing bridge inside slave_timing, its an internal detail really
Adjusted delays and verified in sim
Trivial but important fixes, thanks to quartus warnings
70ns accuracy is not enough for reliable Atari bus sampling, use faster clock we are already using for sram
Register bus_data before we write it
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