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Appendix A: System Routines — Data Utilities
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
gen_version
Declaration:
unsigned char
gen_version
(EStackIndex
i
, EStackIndex
j
)
Category(ies):
Data Utilities
Description:
This function is used to generate a version number to be stored in the
version field of an object’s symbol table entry.
Inputs:
i
— EStackIndex of the object for which a version number is needed.
j
— NULL_INDEX when
i
is terminated by END_OF_SEGMENT_TAG.
Otherwise, EStackIndex of the byte following the last byte of
i
.
Outputs:
Returns one of the following values: TV_TI_92, TV_PARM, TV_SPAM,
TV_CRAM, TV_3RDPARTYAPP, TV_SCRAM.
Assumptions:
Either the object indexed by
i
is terminated by an
END_OF_SEGMENT_TAG, or the object is delimited by
i
and
j
.
Side Effects:
None
Availability:
All versions of the TI-89 / TI-92 Plus.
TI-89 / TI-92 Plus
Differences:
None
See Also:
None
Example:
If m indexes the bolded tag in the expression x+2 and n indexes the next tag below the
expression as follows
ï
X_VAR_TAG 2 1 NONNEGATIVE_INTEGER_TAG
ADD_TAG
then
unsigned char ver = gen_version (m, n);
assigns the version number of the expression to the variable ver.
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