Difference between revisions of "83Plus:Ports:0A"
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| − | [[Category:83Plus:Ports:By_Address|0A - Link Assist Input Buffer]] | + | [[Category:83Plus:Ports:By_Address|0A - Link Assist Input Buffer]] [[Category:83Plus:Ports:By_Name|Link Assist Input Buffer]] |
| − | [[Category:83Plus:Ports:By_Name|Link Assist Input Buffer]] | + | |
== Synopsis == | == Synopsis == | ||
'''Port Number:''' 0Ah | '''Port Number:''' 0Ah | ||
Revision as of 22:18, 29 March 2005
Contents
Synopsis
Port Number: 0Ah
Function: Link Assist Input Buffer
This port allows you to read the data that has been received by the link assist.
Read Values
- [00h - FFh]: Byte currently in the link assist's buffer.
Write Values
None
Comments
This port only exists on the 83+ SE and the 84+.
Check port 9 before you read this port, to see that there is valid data. Also, do not read this port more than once per data byte received.
Example
GetByteSE: in a,(4) and 8 jr z,LinkError in a,(9) bit 6,a jr nz,LinkError and 11h jr z,GetByteSE in a,(0Ah) ret
Credits and Contributions
- Michael Vincent: Original documentation of the link assist
