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Texas Instruments TI-83 Plus Silver Edition - User Manual

Texas Instruments TI-83 Plus Silver Edition
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TI-83 Plus
SILVER EDITION
Addendum to the
TI-83 Plus Developer Guide
Beta Version .02
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Texas Instruments TI-83 Plus Silver Edition Specifications

General IconGeneral
Display96 x 64 pixels, monochrome LCD
RAM24 KB
Flash ROM1.5 MB
ProgrammingTI-BASIC, Z80 assembly
ProcessorZilog Z80
Power4 AAA batteries
ConnectivityI/O port
Weight7.4 oz

Summary

TI-83 Plus SILVER EDITION Features and Capabilities

Overview of TI-83 Plus SILVER EDITION

Provides an overview of the TI-83 Plus SILVER EDITION's capabilities including speed and Flash Apps.

Flash ROM Structure and Capacity

Details the memory layout, page structure, and capacity of the TI-83 Plus SILVER EDITION's Flash ROM.

Entry Points, Variables, and Flags

Explains common elements like entry points, variable types, and system flags for TI-83 Plus SILVER EDITION development.

Additional B_CALLs for OS and Speed Control

Introduces new B_CALLs for setting processor speed and determining OS version on the TI-83 Plus SILVER EDITION.

Header Tags for Application Speed Setting

Details the use of header tags, like APP_HW_LEVEL, to control application execution speed.

TI-83 Plus SILVER EDITION Performance Issues

Display Problems with Fast Execution

Discusses potential display issues when running applications at increased speeds on the TI-83 Plus SILVER EDITION.

TI-83 Plus SILVER EDITION DBUS Communication

Accessing the DBUS from Applications

Explains how the TI-83 Plus SILVER EDITION's DBUS hardware assist impacts app development and requires care.

Monitoring DBUS Activity with Hardware Assist

Describes methods for monitoring DBUS lines and how the new hardware assist affects detection.

Handling DBUS Data and Error States

Details how toggling DBUS lines can cause resets and abort transmissions with the DBUS hardware assist.

Unexpected DBUS Error Conditions

Explains error conditions like TIMEOUT when the DBUS assist unit encounters data sending issues.

TI-83 Plus Developer Guide System Routines

GetSysInfo System Routine

Details the GetSysInfo routine for retrieving system information, including current speed and hardware revision.

Nzlf83 Plus Calculator Identification Utility

Explains the Nzlf83Plus utility to check if the calculator is a TI-83 Plus or a SILVER EDITION.

SetExSpeed Execution Speed Control Routine

Details the SetExSpeed routine for setting the execution speed (slow or fast) of applications.

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