spi - SPI master and slave core

	Commit message (Collapse)	Author	Age	Files	Lines
*	add read only master with tests	Peter McGoron	2022-07-21	1	-1/+16
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*	move tests	Peter McGoron	2022-07-21	1	-0/+5
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*	cleanup, add ready pin to slave	Peter McGoron	2022-07-21	1	-1/+1
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*	mode 00, write from slave to master works	Peter McGoron	2022-07-21	1	-16/+18
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*	mode 00, write from master to slave works	Peter McGoron	2022-07-21	1	-5/+21
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*	start spi master and slave with testbench	Peter McGoron	2022-07-20	1	-0/+126