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On-Line Manuals
C251 User's Guide
C251 Introduction
Compiling Programs
Language Extensions
Keywords
Memory Areas
Program Memory
Internal Data Memory
External Data Memory
Near Memory
Far Memory
Huge Memory
SFR Memory
Memory Models
Tiny Model
XTiny Model
Small Model
XSmall Model
Large Model
Memory Types
Implicit Memory Types
bdata
code
data
ebdata
far
huge
idata
near
xdata
Data Types
Special Function Registers
sfr
sfr16
sbit
Bit-Addressable Objects
bit
Standard C Types
void
char
int
enum
float
double
Type Modifiers
signed
unsigned
short
long
Type Qualifiers
const
volatile
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Memory Type in Pointer Declarations
Pointer Conversions
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Memory Models
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Interrupt Functions
Reentrant Functions
Alien (PL/M-51) Function
Real-Time Function Tasks
Attributes
alias("target")
aligned(n)
noreturn
Preprocessor
Advanced Programming
Error Messages
Library Reference
Appendix
enum
The enum keyword defines a set of constants of type int. It is used as follows:
enum 〚tag〛 {name 〚= value〛, ...};
Where
| tag | is the name of the enum set. |
| name | is the name of an enum constant. |
| value | is the value assigned to the constant. If the value is missing, then it is assumed to be the value of the previous constant in the set +1. The default value for the first constant in the list is 0. |
Define an enum type in the program as follows:
enum tag name 〚= value〛;
Where
| tag | is the name of the enum set. |
| name | is the name of the variable. |
| value | is the value assigned to the variable. |
Refer to 2-Byte Scalars for information regarding the format of enum constants.
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