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NAME

Query: query parallel port/line status

FUNCTION

This command return the status of the parallel port lines and registers.

INPUTS

io_Message: must have mn_ReplyPort initialized
io_Device: set by OpenDevice
io_Unit: set by OpenDevice
io_Command: PDCMD_QUERY (09)

RESULT

io_Status: BIT ACTIVE FUNCTION

0 high printer busy toggle (offline)

1 high paper out

2 high printer selected on the A1000

printer selected & serial "Ring Indicator" on the A500/A2000 Use care when making cables.

3 read=0,write=1

4-7 reserved

BUGS

In a earlier version of this AutoDoc, BUSY and PSEL were reversed. The function has always been correct.