Type III C lass A Program

READY
Purpose:
READY simulates a device end for the specified virtual
address.
Format:
READY devadd
devadd specifies a virtual device address. such as 191.
Usage:
On a real machine a device end is caused by the completion
of an I/O operation ata device or, on some devices,. by
manually changing the device from the not-ready to ready
state. A device end normally indicates that the I/O device
has become available for another operation. READY simulates
this device end without having to complete an I/O operation
or without making a device not-ready.
Responses:
BAD ARGUMENT xx
An invalid device address was specified.
NONEXISTENT UNIT
The specified unit does not exist in the virtual machine
configuration.
Example:
READY 191
A device end is simulated for the device whose address is
191.
READY 493