EXOS 2.1 Printer Driver Specification

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3. Quick Reference Summary - EXOS Calls

Open/Create Channel

Treated identically.

Only one channel.

Device name "PRINTER:"

Filename and unit number ignored.

No EXOS variables to be set before open.

Close/Destroy Channel

Treated identically.

Read Character/Block

Not supported.

Write Character/Block

Write bytes without interpretation.

Read Status

Not supported.

Set Status

Not supported.

Special Function

No special functions..