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Tube🍂Time

the smoking gun: an invalid bus transfer. both rd and wr are asserted at the same time. before that we see the missing data on the bus: 6DDB. so the card thinks it is in a DMA cycle even though it is not, and it's putting data on the bus when it shouldn't be!

2 comments
Tube🍂Time replied to Tube🍂Time

i deleted 3 characters from my verilog and it works now. 😅

(i still need to test writes, and i need to test it without the logic analyzer card)

Eric Carroll replied to Tube🍂Time

@tubetime As the joke goes, its all about knowing where to tap...

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