Re: [MI400] Update Last Day used of a program

["Giuseppe Costagliola" <gcosta@xxxxxxxx>]

On cisc I remember that I did what you suggested (I used MODINX instead that
has x'00A2' and patched to X'00A3' into LHRI). I also had to change to
*system otherwise I got MCH6801.

Is risc code the same ?

It's difficult to understand why modsobj is blocked because from mi
reference it seems that we can only change or reset the timestamp. Is it so
dangerous ?


----- Original Message -----
From: <Gene_Gaunt@ReviewWorks.com>
To: <mi400@midrange.com>
Sent: Friday, November 15, 2002 2:22 PM
Subject: Re: [MI400] Update Last Day used of a program


>
> Yes MI can change an object last used date.   MODSOBJ is the instruction.
> Operand one is a system pointer to target object.  Operand two is a
> modification options character scalar.
>
> If the options position 1, bit X'10', is on, then if the options position
> 17, bit X'40', is on, then the two bytes in position 27 and 28 are the
> first two bytes of an 8-byte system date/time stamp of the last used date
> that you want.  For example, X'8527' = 11/15/2002, and X'8529' =
> 11/16/2002, get it.  Here is an MI example:
>
> DCL SYSPTR ?OBJECT   AUTO;
> DCL DD     OPTIONS   AUTO CHAR(64);
> DCL DD     STAMP2    AUTO CHAR(2);
>
> CPYBREP    OPTIONS, X"00";
> OR(S)      OPTIONS(1:1), X"10";
> OR(S)      OPTIONS(17:1), X"40";
> CPYBLA     OPTIONS(27:2), STAMP2;
> MODSOBJ    ?OBJECT, OPTIONS;
>
> Of course you need code above this to:
> (1) Fill ?OBJECT with a system pointer to your target object (RSLVSP is
one
> way).
> (2) Fill STAMP2 with the first two bytes of a system date/time stamp of
the
> last used date that you want (QWCCVTDT API with output format '*DTS' is
one
> way).
>
> If the translator state blocks MODSOBJ from compiling, then change MODSOBJ
> to SETDPAT, and compile.  SETDPAT generates similar code to MODSOBJ, one
> byte different.  The system call vectored number for SETDPAT is X'0043',
> for MODSOBJ is X'00A3'.  With some tool like Display/Alter/Dump, change
the
> appropriate X'0043' to X'00A3', and there you have a Change Object Last
> Used Date utility!
>
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