Zilog Z80380 Manuel d'utilisateur Page 38
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
I/O ADDRESS SPACES C-Compiler Overview
2–4 UM004001-COR1103
ACCCESING I/O ADDRESS SPACE
The Z380 instruction set does not allow indirect acess of the internal I/O address space
through a register.
To acess the I/O adress space use the on-chip peripheral-addresses as operands to the
IN0/OUT0 machine instructions. Variable pointers can not be used to access the internal I/O
address space and address constants must be used.
The recommended usage the I/O adress space is hown in the below example.
typedef volatile unsigned char __INTIO *PBINTIO;
#defineIO_ADDR((PBINTIO)0x0002)
// …
unsigned char ch;
// …
IO_ADDR[0] = ch;// store to I/O address 2
// …
ch = IO_ADDR[0];// load from I/O address 2
// …
- 380 C-Compiler 1
- User’s Manual 1
- 380 C-COMPILER USER’S MANUAL 3
- ABOUT THIS MANUAL 3
- TABLE OF CONTENTS 5
- Chapter 3 6
- Linking Files 6
- Chapter 4 7
- Run Time Environment 7
- LIST OF TABLES 9
- LIST OF FIGURES 11
- CHAPTER 1 13
- INTRODUCTION 13
- ZDS ENVIRONMENT 14
- RUN-TIME MODEL 15
- MINIMUM REQUIREMENTS 15
- INSTALLING THE 380 C-COMPILER 16
- REGISTRY KEYS 16
- INSTALLING ZDS 17
- SAMPLE SESSION 18
- UM004001-COR1103 1–7 19
- Introduction Sample Session 19
- Sample Session Introduction 20
- 1–8 UM004001-COR1103 20
- Create a File 20
- • Target settings 21
- 1–10 UM004001-COR1103 22
- CONFIGURE SETTINGS 23
- • Warnings 24
- • Optimization levels 24
- UM004001-COR1103 1–13 25
- 1–14 UM004001-COR1103 26
- Configuring Warnings 26
- UM004001-COR1103 1–15 27
- 1–16 UM004001-COR1103 28
- 1–18 UM004001-COR1103 30
- Code Generation Configuration 30
- COMPILING AND DOWNLOADING 31
- COMPILE A PROJECT 31
- DOWNLOADING A COMPILED FILE 32
- TECHNICAL SUPPORT 33
- OVERVIEW 35
- LANGUAGE EXTENSIONS 36
- ASSIGNING TYPES 36
- DEFAULT MEMORY QUALIFIERS 36
- POINTERS 37
- SIZE OF POINTERS 37
- I/O ADDRESS SPACES 37
- ACCCESING I/O ADDRESS SPACE 38
- INTERRUPT FUNCTIONS 39
- USING THE DOS COMMAND LINE 40
- COMMAND LINE FORMAT 40
- COMMAND LINE SWITCHES 41
- COMMAND LINE EXAMPLES 42
- • Level 1 optimization 43
- • Level 2 optimization 43
- LEVEL 2 OPTIMIZATIONS 44
- LEVEL 3 OPTIMIZATIONS 45
- LEVEL 4 OPTIMIZATIONS 45
- UNDERSTANDING ERRORS 45
- ENABLING WARNING MESSAGES 45
- INCLUDED FILES 46
- PREDEFINED NAMES 46
- GENERATED ASSEMBLY FILE 46
- OBJECT SIZES 46
- • Code Section (.text) 47
- INCORPORATING ASSEMBLY WITH C 48
- INCORPORATING C WITH ASSEMBLY 48
- UM004001-COR1103 2–15 49
- Referenced C file 49
- CHAPTER 3 51
- LINKING FILES 51
- • COFF Format Executable File 53
- RUN TIME INITIALIZATION FILE 54
- INSTALLED FILES 54
- INVOKING THE LINKER 54
- USING THE LINKER IN ZDS 54
- LINKER SYMBOLS 56
- LINKER COMMAND FILE 57
- 3–8 UM004001-COR1103 58
- Linker Command DEFINE 58
- LINKER COMMAND LINE 60
- COMMAND LINE SPECIFICATIONS 61
- LINKER COMMAND LINE OPTIONS 62
- USING THE LIBRARIAN 63
- COMMAND LINE OPTIONS 64
- RUN TIME ENVIRONMENT 65
- CHAPTER 4 65
- IGURE 4-1. FRAME LAYOUT 66
- USING THE RUN-TIME LIBRARY 67
- LIBRARY FUNCTIONS 69
- _asm FUNCTION 69
- abs FUNCTION 69
- atof, atoi, atol FUNCTIONS 70
- FUNCTION 71
- FUNCTIONS 71
- 4–8 UM004001-COR1103 72
- Parameter Description 72
- srand FUNCTION 77
- UM004001-COR1103 4–23 87
- Return Value 87
- 4–26 UM004001-COR1103 90
- APPENDIX A 91
- LINK FILE 93
- APPENDIX B 95
- APPENDIX C 101
- GLOSSARY 103
- Glossary 104
- Glossary-2 UM004001-COR1103 104
- UM004001-COR1103 Glossary-3 105
- Glossary-4 UM004001-COR1103 106
- UM004001-COR1103 Glossary-5 107
- Glossary-6 UM004001-COR1103 108
- UM004001-COR1103 Glossary-7 109
- Glossary-8 UM004001-COR1103 110
- UM004001-COR1103 Glossary-9 111
- Glossary-10 UM004001-COR1103 112
- UM004001-COR1103 Glossary-11 113
- UM004001-COR1103 Index-1 115
- Index-2 UM004001-COR1103 116
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