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Texas Instruments TI-89 Developer's Guide

Texas Instruments TI-89
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144
Chapter 13: Memory Management
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
13.3.3.1. Utilities
HSymDel
Delete a variable given its HSYM.
HSYMtoName
Create a fully qualified (name and folder) symbol name from an
HSYM.
MakeHsym
Create an HSYM given a SYM_ENTRY pointer and the handle
of its folder.
ResetSymFlags
Apply a mask to the flag byte of all variables in the system.
SetOK
Set the global system variable OK to one or zero.
StrToTokN
Convert a zero terminated symbol name (ASCIIZ) into a
tokenized format (does NOT handle reserved names).
13.3.3.2. Low-Level Folder Routines
AddSymToFolder
Add a symbol to a specific folder.
FindSymInFolder
Search for a symbol in a specific folder.
FolderAdd
Directly add a folder to the home folder.
FolderCount
Return the number of symbols in a folder.
FolderDel
Delete a folder (even if not empty).
FolderFind
Look for a folder.
FolderFlags
Set or clear flags in all folders in the system.
FolderOp
Lock or unlock a folder or all folders in the system with
HeapLock
or
HeapUnlock
so they will not move.
FolderRename
Rename a folder.
13.3.3.3. Low-Level Symbol Routines
SymAdd
Add a symbol to the symbol table.
SymDel
Delete a symbol from the symbol table.
SymFind
Look for a symbol in the symbol table.
SymFindFirst
Find the first symbol in a folder (or all folders).
SymFindFoldername
Return name of folder for SymFindFirst/Next.
SymFindHome
Find a symbol in the home folder.
SymFindMain
Find a symbol in the main folder.
SymFindNext
Find next symbol after calling SymFindFirst.
SymFindPrev
Find previous symbol.

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Texas Instruments TI-89 Specifications

General IconGeneral
Display size (HxV)100 x 160 mm
Memory type639K FLASH ROM, 188K bytes RAM
Compatible operating systemsOperating System 2.09
Battery typeAAA

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