Tandy 1000 Basic Reference Manual page 156

Chapter 10
I
BASIC Keywords
ERDEV$
Advanced Function
ERDEV$
Returns the name of the device (as set by the Interrupt 24 han-
dler) when a device error occurs.
If the error occurred on a character device, ERDEV$ returns the
8-byte character device name.
If
the error does not occur on a character device, ERDEV$ re-
turns the 2-character block device name.
For more information on device drivers and errors, see the Pro-
grammer's Reference manual for your computer.
It
is available
at
your Radio Shack Computer Store.
See also ERDEV.
154