Posted By
siz
on 2012-02-26
05:57:12
|  Re: Device detecting
An OPEN without a command only prepares the channel for I/O. Actual communication happens only for a PRINT# or a CLOSE. That's why you can detect a device not present only at CLOSE time. Perhaps try OPEN15,dd,15,"UI". (But be careful because my 1541-II with SpeedDOS halts for UI command. :/ )
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