Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revision | |||
controllers [2023/06/05 14:50] – [Checksum/keepalive] simer | controllers [2023/06/05 19:59] (current) – [Checksum/keepalive] simer | ||
---|---|---|---|
Line 161: | Line 161: | ||
'' | '' | ||
- | where A and B are the two most recent nibbles sent by the console in 7x commands. If only one nibble has been sent, the other nibble in the algorithm will have 0 as its value. The console can also reset the previous state by sending a Bx command instead which otherwise works like a 7x command. | + | where A and B are the two most recent |
The console must send the 7x commands, even if it ignores all the Bx replies from the controller. Without these commands, the controller eventually shuts down. | The console must send the 7x commands, even if it ignores all the Bx replies from the controller. Without these commands, the controller eventually shuts down. |