Why do you need to assemble 8086 in out instructions

since the network IO is based on interrupt DMAcopy
, why do we need the in out instruction to read data directly from the NIC register?

Java Network operating-system asm
Jun.15,2022

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e8edd4-120e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e8edd4-120e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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