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Texas Instruments TI-89 Developer's Guide

Texas Instruments TI-89
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Appendix C: Macros — Operating System
1297
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
Access_AMS_Global_Variables
Declaration: Access_AMS_Global_Variables
Category(ies):
Operating System
Description:
Defines linkage to many OS data structures, flags, and global variables.
Global variable and macro descriptions in
Appendix B
and
Appendix C
state in their assumptions if
Access_AMS_Global_Variables
must be
defined. This means that macro
Access_AMS_Global_Variables
must be
placed in the declaration section of the block containing the global variable
or macro reference.
Any global OS variables may be accessed or modified within the scope of a
block containing a
Access_AMS_Global_Variables
declaration.
Note:
Please exercise caution and restraint when modifying OS variables. Most OS
variables are modified by other routines in the operating system as a side-effect
of their actions. Modifying OS variables directly from your program could
seriously destabilize the calculator.
Inputs:
None
Outputs:
None
Assumptions:
None
Side Effects:
None
Availability:
All versions of the TI-89 / TI-92 Plus.
TI-89 / TI-92 Plus
Differences:
None
See Also:
Not applicable
Example:
See example for
gr_flags
in
Appendix B: Global Variables — Graphing
.

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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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