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Файл:lab_otmp / Keil_51_v750a_OK_work / HLP / A51.pdf
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- •Chapter 1. Introduction
- •How to Develop A Program
- •What is an Assembler?
- •Modular Programming
- •Modular Program Development Process
- •Segments, Modules, and Programs
- •Translate and Link Process
- •Filename Extensions
- •Program Template File
- •Chapter 2. Architecture Overview
- •Memory Classes and Memory Layout
- •Classic 8051
- •Extended 8051 Variants
- •Philips 80C51MX
- •Intel/Atmel WM 251
- •CPU Registers
- •CPU Registers of the 8051 Variants
- •CPU Registers of the Intel/Atmel WM 251
- •Program Status Word (PSW)
- •Instruction Sets
- •Opcode Map
- •8051 Instructions
- •Additional 251 Instructions
- •Additional 80C51MX Instructions via Prefix A5
- •Chapter 3. Writing Assembly Programs
- •Assembly Statements
- •Directives
- •Controls
- •Instructions
- •Comments
- •Symbols
- •Symbol Names
- •Labels
- •Operands
- •Special Assembler Symbols
- •Immediate Data
- •Memory Access
- •Program Addresses
- •Expressions and Operators
- •Numbers
- •Characters
- •Character Strings
- •Location Counter
- •Operators
- •Expressions
- •Chapter 4. Assembler Directives
- •Introduction
- •Segment Directives
- •Location Counter
- •Generic Segments
- •Stack Segment
- •Absolute Segments
- •Default Segment
- •SEGMENT
- •RSEG
- •BSEG, CSEG, DSEG, ISEG, XSEG
- •Symbol Definition
- •CODE, DATA, IDATA, XDATA
- •esfr, sfr, sfr16, sbit
- •LIT (AX51 & A251 only)
- •Memory Initialization
- •DD (AX51 & A251 only)
- •Reserving Memory
- •DBIT
- •DSW (AX51 & A251 only)
- •DSD (AX51 & A251 only)
- •Procedure Declaration (AX51 & A251 only)
- •PROC / ENDP (AX51 & A251 only)
- •LABEL (AX51 and A251 only)
- •Program Linkage
- •PUBLIC
- •EXTRN / EXTERN
- •NAME
- •Address Control
- •EVEN (AX51 and A251 only)
- •USING
- •Other Directives
- •_ _ERROR_ _
- •Chapter 5. Assembler Macros
- •Standard Macro Directives
- •Defining a Macro
- •Parameters
- •Labels
- •Repeating Blocks
- •REPT
- •IRPC
- •Nested Definitions
- •Nested Repeating Blocks
- •Recursive Macros
- •Operators
- •NUL Operator
- •& Operator
- •< and > Operators
- •% Operator
- •;; Operator
- •! Operator
- •Invoking a Macro
- •C Macros
- •C Macro Preprocessor Directives
- •Stringize Operator
- •Predefined C Macro Constants
- •Examples with C Macros
- •C Preprocessor Side Effects
- •Chapter 6. Macro Processing Language
- •Overview
- •Creating and Calling MPL Macros
- •Creating Parameterless Macros
- •MPL Macros with Parameters
- •Local Symbols List
- •Macro Processor Language Functions
- •Comment Function
- •Escape Function
- •Bracket Function
- •METACHAR Function
- •Numbers and Expressions
- •Numbers
- •Character Strings
- •SET Function
- •EVAL Function
- •Logical Expressions and String Comparison
- •Conditional MPL Processing
- •IF Function
- •WHILE Function
- •REPEAT Function
- •EXIT Function
- •String Manipulation Functions
- •LEN Function
- •SUBSTR Function
- •MATCH Function
- •Console I/O Functions
- •Advanced Macro Processing
- •Literal Delimiters
- •Blank Delimiters
- •Identifier Delimiters
- •Literal and Normal Mode
- •MACRO Errors
- •Chapter 7. Invocation and Controls
- •Environment Settings
- •Running Ax51
- •ERRORLEVEL
- •Output Files
- •Assembler Controls
- •Controls for Conditional Assembly
- •Conditional Assembly Controls
- •Chapter 8. Error Messages
- •Fatal Errors
- •Non–Fatal Errors
- •Chapter 9. Linker/Locator
- •Overview
- •Combining Program Modules
- •Segment Naming Conventions
- •Combining Segments
- •Locating Segments
- •Overlaying Data Memory
- •Resolving External References
- •Absolute Address Calculation
- •Generating an Absolute Object File
- •Generating a Listing File
- •Bank Switching
- •Using RTX51, RTX251, and RTX51 Tiny
- •Linking Programs
- •Command Line Examples
- •Control Linker Input with µVision2
- •ERRORLEVEL
- •Output File
- •Linker/Locater Controls
- •Locating Programs to Physical Memory
- •Classic 8051
- •Extended 8051 Variants
- •Philips 80C51MX
- •Intel/Atmel WM 251
- •Data Overlaying
- •Program and Data Segments of Functions
- •Using the Overlay Control
- •Tips and Tricks for Program Locating
- •Locate Segments with Wildcards
- •Special ROM Handling (LX51 & L251 only)
- •Bank Switching
- •Common Code Area
- •Code Bank Areas
- •Bank Switching Configuration
- •Configuration Examples
- •Control Summary
- •Listing File Controls
- •Output File Controls
- •Segment and Memory Location Controls
- •High-Level Language Controls
- •Error Messages
- •Warnings
- •Non-Fatal Errors
- •Fatal Errors
- •Exceptions
- •Chapter 10. Library Manager
- •Using LIBx51
- •Interactive Mode
- •Create Library within µVision2
- •Command Summary
- •Creating a Library
- •Adding or Replacing Object Modules
- •Removing Object Modules
- •Extracting Object Modules
- •Listing Library Contents
- •Error Messages
- •Fatal Errors
- •Errors
- •Chapter 11. Object-Hex Converter
- •Using OHx51
- •OHx51 Command Line Examples
- •Creating HEX Files for Banked Applications
- •OHx51 Error Messages
- •Using OC51
- •OC51 Error Messages
- •Intel HEX File Format
- •Record Format
- •Data Record
- •Extended 8086 Segment Record
- •Extended Linear Address Record
- •Example Intel HEX File
- •Appendix A. Application Examples
- •ASM – Assembler Example
- •Using A51 and BL51
- •Using AX51 and LX51
- •Using A251 and L251
- •CSAMPLE – C Compiler Example
- •Using C51 and BL51
- •Using C51 and LX51
- •Using C251 and L251
- •BANK_EX1 – Code Banking with C51
- •Using C51 and BL51
- •Using C51 and LX51
- •BANK_EX2 – Banking with Constants
- •Using C51 and BL51
- •Using C51 and LX51
- •Using BL51
- •Using C51 and LX51
- •Philips 80C51MX – Assembler Example
- •Philips 80C51MX – C Compiler Example
- •Appendix B. Reserved Symbols
- •Appendix C. Listing File Format
- •Assembler Listing File Format
- •Listing File Heading
- •Source Listing
- •Macro / Include File / Save Stack Format
- •Symbol Table
- •Listing File Trailer
- •Appendix D. Assembler Differences
- •Differences Between A51 and A251/AX51
- •Differences between A51 and ASM51
- •Differences between A251/AX51 & ASM51
- •Glossary
- •Index
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Chapter 10. Library Manager |
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Using LIBx51
To invoke the LIBx51 library manager from the command prompt, type the program name along with an optional command. The format for the LIBx51 command line is:
10 LIB51 command
LIBX51 command
LIB251 command
or
LIB51 @commandfile
LIBX51 @commandfile
LIB251 @commandfile
where
command may be a single library manager command.
commandfile is the name of a command input file that may contain a very long library manager command.
Interactive Mode
If no command is entered on the command line, or if the ampersand character is included at the end of the line, the LIB51 library manager enters interactive mode. The LIBx51 library manager displays an asterisk character (*) to signal that it is in interactive mode and is waiting for input.
Any of the LIBx51 library manager commands may be entered on the command line or after the * prompt when in interactive mode.
Type EXIT to leave the LIBx51 library manager interactive mode.
Create Library within µVision2
You can directly create a library file from your µVision2 project. Select Create Library in the dialog Options for Target – Output. µVision2 will call the correct LIBx51 Library Manager instead of the Lx51 Linker/Locater. Since the