Texas Instruments TI-89 Developer's Guide

Appendix B: Global Variables — Timer
1269
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
FiftyMsecTic
Declaration:
DWORD
FiftyMsecTic
Category(ies):
Timer
Description:
This variable is incremented approximately every 50 milliseconds by the
OS.
Inputs:
Not applicable.
Outputs:
Not applicable.
Assumptions:
Not applicable.
Side Effects:
Not applicable.
Availability:
All versions of the TI-89 / TI-92 Plus.
TI-89 / TI-92 Plus
Differences:
None
See Also:
None
Example:
// Spin for about a second
DWORD numberOfTicks;
int i;
numberOfTicks = FiftyMsecTic; // Get a starting number
do {
asm(“nop”, 2);
} while ((numberOfTicks = FiftyMsecTick – NumberOfTicks) < 20);

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