gtps1m4lSystem Macros

RIOSC-Reset an I/O Operation

Use this system macro to issue the necessary instructions to halt and clear any input/output (I/O) for a specific symbolic device address (SDA). The SDA is available for further I/O use upon return from this macro.

Format




label
A symbolic name can be assigned to the macro statement.

SDA=label|Rx
This is either a label of a halfword field containing the SDA or a register which contains the SDA in bytes 2 and 3 and zeros in bytes 0 and 1.

NOTE
This denotes whether a notification interrupt is to be created and presented to the device handler if an active I/O request is cleared. The notification interrupt consists of an interrupt with device status of zero and interface control check set in channel status.

N
No notification is to be generated (default)

Y
Notification interrupt is to be generated.

Entry Requirements

Return Conditions

Programming Considerations

Examples

None.