Chapter 2: TI-83 Plus Specific Information 53
TI-83 Plus Developer Guide Third Release May 28, 2002
• T = object type where:
Bit
Flag
0 – 4 Object Type
5 Graph equation selected
6 Variable used during graphing
7 Link transfer flag
Object Type Value Object Type Object Type Equate
00h Real RealObj
01h List ListObj
02h Matrix MatObj
03h Equation EquObj
04h String StrngObj
05h Program ProgObj
06h Protected Program ProtProgObj
07h Picture PictObj
08h Graph Database GDBObj
0Bh New EQU Obj NewEquObj
0Ch Complex Obj CplxObj
0Dh Complex List Obj CListObj
14h Application Obj AppObj
15h AppVar Obj AppVarObj
17h Group Obj GroupObj
• T2 = Reserved for future use.
• Ver = Version number.
– Each variable’s Symbol Table entry contains a byte field for its version.
– The version of a variable determines its scope of compatibility with future
upgrades of the TI-83 Plus.
– A future TI-83 Plus release may create a new data type that the earlier releases
do not know how to handle. This variable’s version number would be set higher
than the version number of the previous code released.
– If a new variable type is sent to an TI-83 Plus running an earlier version of
product code, the variable would not be accepted by the earlier product code
since the variable’s version number is higher than that of the product code.
• DAL = Data structure pointer’s low (LSB) byte.
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