 CARM User's Guide Discontinued | |
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CARM User's Guide
CARM Introduction Compiling Programs Language Extensions Preprocessor Advanced Programming Customization Files
Startup Code Basic I/O Memory Allocation Interfacing C to Assembler Function Parameters Function Return Values Using the SRC Directive Register Usage Example Routines ARM Code Example Thumb Code Example Data Storage Formats Byte Order Byte Alignment Integer Scalars 1-Byte Scalars 2-Byte Scalars 4-Byte Scalars 8-Byte Scalars float Scalars float Format float Errors double Scalars double Format double Errors Pointers Bit Fields Absolute Memory Access The __at Keyword Linker Location Controls Error Messages Library Reference Appendix1-Byte Scalars
Scalars of type signed char and unsigned char are stored in a single byte (8 bits).
Note
- By default, variables defined as plain char are unsigned. You may use the SIGNED_CHAR directive to force all plain char types to signed.
- The CARM run-time library is compiled to use unsigned char types.
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