NonStop S-Series Server Description Manual (G06.24+)
TNS Instruction Set Definition
HP NonStop S-Series Server Description Manual—520331-003
C-19
Instruction Definitions
0 0 0 2 2 1  DSUB double subtract
 ccn(DC:=DC-BA); RP:=RP-2
 [ See Note 5: OVFL TRAP RESULTS UNDEFINED ]
 [ See Note 6: OVERFLOW TNS COMPATIBLE ]
0 0 0 2 2 2  DMPY double multiply
 ccn(DC:=DC*BA); K:=0; RP:=RP-2
 [ See Note 4: OVERFLOW RESULTS UNDEFINED]
0 0 0 2 2 3  DDIV double divide
 cc(DC:=DC/BA); K:=0;
 V:=(BA=0 or DC=2**31);
 RP:=RP-2
 [ See Note 4: OVERFLOW RESULTS UNDEFINED]
0 0 0 2 2 4  DNEG double negate
 ccn(BA:=-BA)
0 0 0 2 2 5  DCMP double compare
 cc(DC:BA); RP:=RP-4
0 0 0 2 2 6  MNGG move words while not duplicate
 D=destination
 C=source
 B=count
 A=value <> to value of source
 while cc(B)<>"=" and stack[C]<>A do
 {A:=stack[D]:=stack[C];
 D:=D+1;
 C:=C+1;
 B:=B-1;
 };
 RP:=RP-1
0 0 0 2 2 7  MNDX move words while not duplicate extended
 FE=destination
 DC=source
 B=count
 A=value<>to value of source
 while cc(B)<>"=" and xmem[DC]<>A do
 {A:=xmem[FE]:=xmem[DC];
 FE:=FE+2;
 DC:=DC+2;
 B:=B-1
 };
 RP:=RP-1
0 0 0 2 3 0xx QST  quad store
 adr:=(if I=%230 then 0
 else R[I.<14:15>+4])*4+A;
 stack[adr:adr+3]:=EDCB;
 RP:=RP-5
 [ See Note 7: NOT ATOMIC ]
0 0 0 2 3 4xx QLD  quad load
 adr:=(if I=%234 then 0
 else R[I.<14:15>+4])*4+A;
 RP:=RP+3;
 cc(DCBA:=stack[adr:adr+3])
Table C-2. Instruction Definitions (page 9 of 38)










