Motorola M68CPU32BUG Manuel d'utilisateur Page 10
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DEBUG MONITOR DESCRIPTION
M68CPU32BUG/D REV 1 2-2
The commands use a modified Backus-Naur syntax. The meta-symbols are:
The angular brackets enclose a symbol, known as a syntactic variable. The
syntactic variable is replaced in a command line by one of a class of
symbols it represents.
[] Square brackets enclose an optional symbol. The enclosed symbol may
occur zero or one time. In some cases, where noted, square brackets are
required characters.
[]... Square brackets followed by periods enclose a symbol that is
optional/repetitive. The symbol within the brackets may appear zero or
more times.
| This symbol indicates that a choice is to be made. Select one of several
symbols separated by a straight line.
/ Select one or more of the symbols separated by the slash.
{} Brackets enclose optional symbols that may occur zero or more times.
2.2.1 Syntactic Variables
The following syntactic variables are used in the command descriptions which follow. In
addition, other syntactic variables may be used and are defined in the particular command
description in which they occur.
<DEL> Delimiter; either a comma or a space. <EXP> - Expression (described in
detail in paragraph 2.2.1.1).
<ADDR> Address (described in detail in paragraph 2.2.1.2).
<COUNT> Count; the same syntax as < EXP> .
<RANGE> A range of memory addresses which may be specified either by <
ADDR><DEL><ADDR> or by <ADDR> :<COUNT> .
<TEXT> An ASCII string of as many as 255 characters, delimited with single quote
marks (’TEXT’).
DEBUG MONITOR DESCRIPTION
M68CPU32BUG/D REV 1 2-3
2.2.1.1 Expression as a Parameter
An expression is one or more numeric values separated by the arithmetic operators:
+ plus
– minus
* multiplied by
/ divided by
& logical AND
<< shift left
>> shift right
Base identifiers define numeric values as either a hexadecimal, decimal, octal or binary number.
Base Identifier Examples
Hexadecimal $ $FFFFFFFF
Decimal & &1974, &10-&4
Octal @ @456
Binary % %1000110
If no base identifier is specified, then the numeric value is assumed to be hexadecimal.
A numeric value may also be expressed as a string literal of as many as four characters. The
string literal must begin and end with single quote marks ('). The numeric value is interpreted as
the concatenation of the ASCII values of the characters. This value is right-justified, as is any
other numeric value.
String Literal Numeric Value (in hex)
’A’ 41
’ABC’ 414243
’TEST’ 54455354
Evaluation of an expression is always from left to right unless parentheses are used to group part
of the expression. There is no operator precedence. Sub-expressions within parentheses are
evaluated first. Nested parenthetical sub-expressions are evaluated from the inside out.
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- M68CPU32BUG DEBUG MONITOR 1
- USER’S MANUAL 1
- M68CPU32BUG/D 1
- TABLE OF CONTENTS 2
- LIST OF FIGURES 3
- LIST OF TABLES 3
- 1.5 SYSTEM RESTART 5
- CHAPTER 1 5
- GENERAL INFORMATION 5
- 1.1 INTRODUCTION 5
- 1.2 GENERAL DESCRIPTION 5
- 1.3 USING THIS MANUAL 6
- 1.6 MEMORY REQUIREMENTS 7
- CHAPTER 2 9
- DEBUG MONITOR DESCRIPTION 9
- 2.1 INTRODUCTION 9
- Freescale Semiconductor, Inc 10
- 2.6 FUNCTION CODE SUPPORT 13
- CHAPTER 3 16
- DEBUG MONITOR COMMANDS 16
- 3.1 INTRODUCTION 16
- BC Block of Memory Compare BC 17
- BF Block of Memory Fill BF 17
- BS Block of Memory Search BS 19
- BM Block of Memory Move BM 19
- BR Breakpoint Insert BR 20
- BV Block of Memory Verify BV 21
- DU Dump S-Records DU 23
- DC Data Conversion DC 23
- GN Go To Next Instruction GN 25
- GO Go Execute User Program GO 27
- HE Help HE 29
- MA Macro Define/Display MA 31
- MAE Macro Edit MAE 33
- MM Memory Modify MM 35
- MD Memory Display MD 36
- MS Memory Set MS 38
- PF Port Format PF 39
- PA Printer Attached PA 40
- RD Register Display RD 41
- RS Register Set RS 43
- RESET Cold/Warm Reset RESET 44
- RM Register Modify RM 44
- T Trace T 45
- SD Switch Directories SD 45
- TM Transparent Mode TM 48
- 4.2SOURCE PROGRAM CODING 51
- CHAPTER 4 52
- ASSEMBLER/DISASSEMBLER 52
- 4.1 INTRODUCTION 52
- 5.2 SYSTEM CALL ROUTINES 57
- CHAPTER 5 58
- SYSTEM CALLS 58
- 5.1 INTRODUCTION 58
- .ERASLN Erase Line .ERASLN 61
- .OUTSTR .OUTSTR 66
- .SNDBRK Send Break .SNDBRK 68
- .TM_RD Read Timer .TM_RD 70
- .WRITELN .WRITELN 71
- .WRITDLN .WRITDLN 71
- 6.3 UTILITIES 73
- CHAPTER 6 73
- DIAGNOSTIC FIRMWARE GUIDE 73
- 6.1 INTRODUCTION 73
- 6.2 DIAGNOSTIC MONITOR 73
- CPU B Instruction Test CPU B 75
- CPU CPU Tests For The MCU CPU 76
- CPU A Register Test CPU A 76
- CPU C Address Mode Test CPU C 77
- MT Memory Tests MT 78
- MT D Set Bus Data Width MT D 79
- MT A Set Function Code MT A 79
- MT B Set Start Address MT B 80
- MT C Set Stop Address MT C 80
- MT H Random Byte Test MT H 81
- MT E March Address Test MT E 81
- MT F Walk a Bit Test MT F 82
- MT G Refresh Test MT G 82
- MT I Program Test MT I 83
- MT J Test and Set Test MT J 84
- BERR Bus Error Test BERR 84
- APPENDIX A 85
- S-RECORD INFORMATION 85
- A.1 INTRODUCTION 85
- A.2 S-RECORD CONTENT 85
- A.3 S-RECORD TYPES 86
- A.4 S-RECORDS CREATION 86
- C.2 CPU32BUG CUSTOMIZATION 87
- APPENDIX B 87
- SELF-TEST ERROR MESSAGES 87
- B.1 INTRODUCTION 87
- APPENDIX C 88
- USER CUSTOMIZATION 88
- C.1 INTRODUCTION 88
- C.3 CUSTOMIZATION TABLE 90
- C.4 COMMUNICATION FORMATS 93
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