NonStop S-Series Server Description Manual (G06.24+)

TNS Instruction Set Definition
HP NonStop S-Series Server Description Manual—520331-003
C-40
Instruction Definitions
0 0 0 5 0 1* XSST XRAY Set State
CB=ext addr
A=counter offset
'Indivisible On';
t := xmem2[CB];
if t.<0> then
{a := t + $XADR(A);
! set state
if xmem[a]=0 then
{xmem[a]:=1;
xmem[t] := 0;
a:=a+2;
clock:=sysstack[%350:%353]
+microsecond counter;
xmem4[a]:=xmem4[a]-clock
}
};
'Indivisible Off';
RP:=RP-3;
** The counters must be present in memory
[ See Note 3: CLOCK ADDR ]
0 0 0 5 0 2* XRST XRAY Reset State
CB=ext addr
A=counter offset
'Indivisible On';
t := xmem2[CB];
if t.<0> then
{a := t + $XADR(A);
! reset state
if xmem[a]=1 then
{xmem[a]:=0;
xmem[t] := 0;
a:=a+2;
clock:=sysstack[%350:%353]
+ microsecond counter;
xmem4[a]:=xmem4[a]+clock
}
};
'Indivisible Off';
** The counters must be present in memory
[ See Note 3: CLOCK ADDR ]
Table C-2. Instruction Definitions (page30of38)