Byron Lathi
627b6a746a
Add high pair of seven segment displays
...
This also increases the number of registers to 4, one more for the high
pair of displays, and a final one for a mask register which has not been
implemented yet.
2022-03-12 21:24:37 -06:00
Byron Lathi
ca4288df66
Change addr_decode test to use new io locations
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Instead of whatever was there before, the new io locations are ram, rom,
and the hex digits.
2022-03-12 19:25:34 -06:00
Byron Lathi
ad55f986f5
Add bb_spi_controller
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Bit banged spi controller, very simple but very slow.
2022-03-08 15:26:01 -06:00
Byron Lathi
16b50dcca7
Add io chip select
2022-03-05 23:15:50 -06:00
Byron Lathi
c70272f9de
Add addr_decode and testbench
2022-03-05 20:11:47 -06:00
