BNETDocs 
| Message Id: | 0x20 |
|---|---|
| Message Name: | SID_ANNOUNCEMENT |
| Direction: | Server to Client |
| Flags: | Deprecated |
| Used By: | Starcraft Original, Starcraft Broodwar Starcraft Shareware, Starcraft Japanese Diablo Retail, Diablo Shareware Warcraft II BNE |
| Format: | |
Used to send announcements and arbitrary messages to the user, but this was soon superseded by S>C 0x0F SID_CHATEVENT subcommands such as EID_INFO, EID_ERROR, and EID_BROADCAST. Printed out with the same color and style as an EID_BROADCAST.
Very simply prints out text with the string at 1903B9FBh (the default string, used anyway if the username field is NULL in the chat event struct -- currently a single 0x7F char) as the username.
Found at: battle!1901DDA0h (as of 1.16.1)