IL PV and similar special operators

This test case it part of the test suite proposed for new devices.

Test case ID: R0176
Language: ST,IL

Code:

tests2/t0176a.il
PROGRAM R0176
 VAR_GLOBAL
   C10 : CTU;
 END_VAR
 VAR
   A, B : INT;
 END_VAR

LD 15
PV C10 // same as CAL C10(PV:=15)
LD 8
LD C10.PV
ST A
LD TRUE
CU C10

END_PROGRAM


tests2/t0176b.st
PROGRAM Z_R0176
 VAR_EXTERNAL
  C10 : CTU;
 END_VAR

_GEB_ASSERT_(C10.CU=1);
_GEB_ASSERT_(C10.CV=1);
_GEB_ASSERT_(C10.Q=0);
END_PROGRAM