SVC 79 (0A4F)

STATUS macro - is type 2, gets LOCAL, CMS, CMSEQDQ, SALLOC, and DISP locks, plus the local and global intersect.

Calls module IEAVSETS, entry point IGC079.

GTF data is:

The two low-order bytes of register 0 contain a STATUS function code. Depending on the code, registers 1 and 15 contain other information as shown.

Register 0		Function	Register 1	Register 15
0-1	2-3
0000	0001	MCSTEP	N/A*	N/A*
MASK	0003	NDSTEP	N/A*	ASID**
N/A*	0004	NDSYS	N/A*	N/A*
MASK	0005	NDTCB	TCB	ASID
0000	0006	STOP	0 or TCB	N/A*
0000	0007	START	0 or TCB	N/A*
ASID**	0008	SDSTEP	N/A*	MASK
N/A*	0009	SDSYS	N/A*	N/A*

Register 0		Function	Register 1	Register 15
ASID	000A	SDTCB	TCB	MASK
ASID	000B	SDETCB	TCB	MASK
MASK	000C	NDETCB	TCB	ASID**
ASID**	000D	SRBS	N/A*	N/A*
0000	000E	SYNCH	N/A*	N/A*
0000	000F	Caller, SD	N/A*	MASK
MASK	0010	Caller, ND	N/A*	N/A*
0000	0011	SRBs only	N/A*	N/A*

Note: The sign bit of register one indicates: