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MOTOROLA DSP SIMULATOR REFERENCE MANUAL 1-1

Chapter 1

DSP SIMULATOR

1.1 INTRODUCTION

The DSP Simulator program is a software tool for developing programs and algorithms for

Motorola Digital Signal Processors (DSPs). This program exactly duplicates the functions

of supported Motorola DSP chips, including all on-chip peripheral operations, all memory

and register updates associated with program code execution, and all exception

processing activity. The device’s pipelined bus activity is exactly simulated. This enables

the Simulator to provide the user an accurate measurement of code execution time, which

is so critical in DSP applications.

The Simulator executes object code which can be generated using either the device

Macro Assembler program or the Simulator’s internal single-line assembler. The object

code is loaded into the simulated device’s memory map. The entire internal and external

memory space of the DSP is simulated. During program debug the user can display and

change any of the device’s registers or memory locations. Instruction execution can

proceed until a user-defined breakpoint is encountered, or in single-step mode, stopping

after a specified number of instructions or cycles have executed.

1.2 FEATURES

Summary of Simulator features:

• Multiple device simulation

• Source level symbolic debug of assembly and C source programs

• Conditional or unconditional breakpoints

• Program patching using a Single-Line Assembler/Disassembler

• Instruction and Cycle timing counters

• Session and/or Command Logging for later reference

• Input/Output ASCII files for device peripherals

• Help file and Help line display of Simulator commands

• Macro command definition and execution

• Display Enable/Disable of Registers and Memory

• Hexadecimal/Decimal/Binary calculator

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Motorola Command One Manuel d'utilisateur Page 13