Input Register Information

Input registers:
0-1
reserved
2-12
undefined
13
When starting a server, value to be set in GR13 when XCF calls the server exit routine. Otherwise undefined.
14-15
reserved
AR0-AR1
reserved
AR2-AR12
undefined
AR13
When starting a server in AR mode, value to be set in AR13 when XCF calls the server exit routine. When starting a server in primary mode, the AR13 is zero when XCF calls the server exit routine. Otherwise undefined.
AR14-AR15
reserved