SVC 119 (0A77)

TESTAUTH macro - is type 1, gets LOCAL lock.

Calls module IEAVTEST, entry point IGC119.

GTF data is:
R15
No applicable data.
R0
Applies only if flag bit 7 in register one is zero. If positive, contains the authorization code. If negative, does not contain the authorization code.
R1
Bytes have meaning as follows:
Register contents on return:
R15
00 - Task is authorized.

04 - Task is not authorized.