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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
Keil Software — A51/AX51/A251 Macro Assembler and Utilities |
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Chapter 10. Library Manager
The LIBx51 library manager allows you to create and maintain library files. A |
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library file is a formatted collection of one or more object files. Library files |
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provide a convenient method of referencing a large number of object files and |
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can be used by the Lx51 linker/locator. The LIBx51 library manager can be |
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controlled interactively or from the command line. |
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The following table gives you an overview of the LIBx51 library manager |
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variants along with the translators that are supported. |
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Library Manager |
Processes Files from… |
Description |
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LIB51 |
Keil A51 Macro Assembler |
For classic 8051. Includes support for |
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Keil C51 Compiler |
32 x 64KB code banks. |
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Intel ASM51 Assembler |
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Intel PL/M51 Compiler |
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LIBX51 |
Keil A51 Macro Assembler |
For classic 8051 and extended 8051 |
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Keil C51 Compiler |
versions (Philips 80C51MX, Dallas 390, |
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Keil AX51 Macro Assembler |
etc.) |
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Keil CX51 Compiler for |
Allows code and data banking and |
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80C51MX |
supports up to 16MB code and xdata |
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Intel ASM51 Assembler |
memory. |
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Intel PL/M51 Compiler |
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LIB251 |
Keil A51 Macro Assembler |
For Intel/Atmel WM 251. |
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Keil C51 Compiler |
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Keil A251 Macro Assembler |
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Keil C251 Compiler |
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Intel ASM51 Assembler |
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Intel PL/M51 Compiler |
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