Fujitsu CM71-00101-5E User Manual

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System Stack Pointer

Functions of the System Stack Pointer and User Stack 

Pointer

System Stack Pointer (SSP),User Stack Pointer (USP)

Table Base Register

Overview of the Table Base Register

Precautions Related to the Table Base Register

Table Base Register Configuration

Table Base Register Functions

Test

BTSTH (Test Higher 4 Bits of Byte Data in Memory)

BTSTL (Test Lower 4 Bits of Byte Data in Memory)

Trap

"PC" Values Saved for Coprocessor Error Traps

"PC" Values Saved for Coprocessor Not Present Traps

"PC" Values Saved for Step Trace Traps

Conditions for Generation of Coprocessor Error Traps

Conditions for Generation of Coprocessor Not Found 

Traps

Conditions for Generation of Step Trace Traps

Coprocessor Error Trap Operation

Coprocessor Not Found Trap Operation

Overview of Coprocessor Error Traps

Overview of Coprocessor Not Found Traps

Overview of Step Trace Traps

Overview of Traps

Precautionary Information for Use of Step Trace Traps

Relation of Step Trace Traps to "NMI" and External 

Interrupts

Results of Coprocessor Operations after a Coprocessor 

Error Trap

Sources of Traps

Time to Start of Trap Processing for "INT" 

Instructions

Time to Start of Trap Processing for "INTE" 

Instructions

Undefined Instruction Exception

"PC" Values Saved for Undefined Instruction 

Exceptions

How to Use Undefined Instruction Exceptions

Operations of Undefined Instruction Exceptions

Overview of Undefined Instruction Exceptions

Time to Start of Undefined Instruction Exception 

Processing

Undefined Instructions

Undefined Instructions Placed in Delay Slots

Unsign Extend

EXTUB (Unsign Extend from Byte Data to Word 

Data)

Unsigned Division

DIV0U (Initial Setting Up for Unsigned Division)

Unsigned Extend

EXTUH (Unsigned Extend from Byte Data to Word 

Data)

User Interrupt

Conditions for Acceptance of User Interrupt Requests

How to Use User Interrupts

Operation Following Acceptance of an User Interrupt

Overview of User Interrupts

User Stack Pointer

Functions of the System Stack Pointer and User Stack

Pointer

System Stack Pointer (SSP),User Stack Pointer (USP)

USP

System Stack Pointer (SSP),User Stack Pointer (USP)

Vector Table

Contents of Vector Table Areas

Overview of Vector Table Areas

Unused Vector Table Area

Vector Table Area Initial Value

Vector Table Configuration

Word Alignment

Data Restrictions on Word Alignment

Program Restrictions on Word Alignment

XCHB

XCHB (Exchange Byte Data)