Texas Instruments TI-89 Developer's Guide

636
Appendix A: System Routines — Keyboard
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
alphaLockOn
Declaration:
void
alphaLockOn
(FLAGS8 *
saveAlpha
)
Category(ies):
Keyboard
Description:
Returns the current alpha-lock keyboard status in
saveAlpha
and turns
alpha-lock status ON.
Inputs:
saveAlpha
— Pointer to FLAGS8 structure.
Outputs:
saveAlpha
— Previous alpha-lock status.
Assumptions:
None
Side Effects:
The alpha-lock status remains until changed by the user or another app.
Availability:
On AMS 2.00 and higher.
TI
-
89 / TI
-
92 Plus
Differences:
For compatibility reasons, this routine is available on the TI
-
92 Plus but
does nothing.
See Also: alphaLockOff, restoreAlphaLock
Example:
FLAGS8 saveStat;
alphaLockOn( &saveStat );
editField(); /* user may be entering TEXT data here */
restoreAlphaLock( &saveStat );

Texas Instruments TI-89 Specifications

General

Display size (HxV)	100 x 160 mm
Memory type	639K FLASH ROM, 188K bytes RAM
Compatible operating systems	Operating System 2.09
Battery type	AAA