Output message descriptor byte (Finance)
The bits of the message descriptor byte (byte 1), when set on, have the following meanings.
- Bit 0
- This message is an IMS system message or a broadcast message.
- Bit 1
- This message is formatted by MFS.
- Bit 2
- An MFS system control area (SCA) has requested device alarm for this message. (The controller application program can take any appropriate action, such as turning on a terminal's light.)
- Bit 3
- This message is a nonqueued message (no specific destination). Bit 0 is also set.
- Bit 4
- Reserved.
- Bit 5
- This message is Fast Path-recoverable output.
- Bit 6
- A MID name is present in the MFS data field.
- Bit 7
- A FORMS name is present in the MFS data field.