A UNIX Based Device Driver for the Vector General 3404 Graphics Display System (1982)
Defense Technical Information Center · leaf 47
Fig 8. Routines for Processing an open(2) System Call trap instruction. The first two columns of the table were used by the C language trap routine to determine how many parameters to fetch and how many of them were passed in special registers. The third column of the table, which contains the…
Stewart,Bradley Ray · Air force inst of tech wright-patterson afb oh school of engineering · Display systems · Drives(Electronics) · Computer graphics · Subroutines · Input output devices · High level languages · Registers(Circuits) · Specifications · Compatibility · Paths · Interfaces · User needs · Interruption · Installation · Modification · Theses
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