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* Get rid of an inferred latch in 6522. Doesn't seem to break anything!Mike Stirling2011-08-071-4/+4
* Added pin definitions for SD card interface. Fixed bug in 6522 shift-registe...Mike Stirling2011-07-311-22/+18
* Keyboard now working (needed to loop back slow bus outputs to inputs on syste...Mike Stirling2011-07-301-4/+1
* Work in progress. Added PS/2 keyboard interface, hardware debugger. Interru...Mike Stirling2011-07-291-12/+14
* Boots to "BBC Computer" message with dummy keyboard and interrupts disabled (...Mike Stirling2011-07-251-1/+0
* Register 6522 reads so that data is available outside of "phase 2" cycles, ot...Mike Stirling2011-07-171-31/+34
* Work in progress: Added MOS6522 from www.fpgaarcade.com. Added simple_uart c...Mike Stirling2011-07-171-0/+889