Difference between revisions of "83Plus:Ports:09"
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| − | [[Category:83Plus:Ports:By_Address|09 - Link Assist Status]] | + | [[Category:83Plus:Ports:By_Address|09 - Link Assist Status]] [[Category:83Plus:Ports:By_Name|Link Assist Status]] |
| − | [[Category:83Plus:Ports:By_Name|Link Assist Status]] | + | |
== Synopsis == | == Synopsis == | ||
'''Port Number:''' 09h | '''Port Number:''' 09h | ||
Revision as of 21:18, 29 March 2005
Synopsis
Port Number: 09h
Function: Link Assist Status
This port gives information on the status of the hardware link assist.
Read Values
- Bit 0: unknown
- Bit 1: unknown
- Bit 2: unknown
- Bit 3: Set if the assist is currently receiving data
- Bit 4: Set if the assist has read a complete byte (which can be read from port 0A)
- Bit 5: Set if the assist is ready to write data (via port 0D)
- Bit 6: Set if there was an error during transmission
- Bit 7: unknown
Write Values
None
Comments
This port only exists on the 83+ SE and the 84+.
Credits and Contributions
- Michael Vincent: Original documentation of the link assist
