Motorola 68P02958C00-B - Manual (Page 377)

Software Diagnostics Output
C-85
17. Receive Ready control Register (2nd buffer).
18. Receive Status control Register (2nd buffer).
19. Transmit control bits (2nd buffer).
## 2021 LEVEL = 1
GAUART's Software descriptors :-
--------------------------------------
Head (offset) software receive
descriptor: %% 1
tail (offset) software receive descriptor: %% 2
Head (offset) software transmit descriptor: %% 3
tail (offset) software transmit descriptor: %% 4
empty
software receive descriptor: %% 5
ready software receive descriptor: %% 6
empty software transmit descriptor: %% 7
ready software transmit descriptor: %% 8
1. Where the processor will leave the next received data.
2. Where the software will take the next received data.
3. Where the software will leave the next data to be transmitted.
4. Where the processor will take the next data to be transmitted.
5. Number of empty software receive descriptors
6. Number of full software receive descriptors ready to be emptied.
7. Number of empty software transmit descriptors
8. Number of full software transmit descriptors ready to be emptied.