|
||
| Products Download Events Support Videos | ||
Technical Support
On-Line Manuals
Cx51 User's Guide
Cx51 Introduction
Compiling Programs
Language Extensions
Preprocessor
Advanced Programming
8051 Derivatives
Error Messages
Library Reference
Library Files
Source Code
Standard Types
jmp_buf
size_t
va_list
wchar_t
Macros
CBYTE
CWORD
DBYTE
DWORD
FARRAY
FCARRAY
FCVAR
FVAR
PBYTE
PWORD
XBYTE
XWORD
Routines By Category
Buffer Manipulation Routines
Character Routines
Data Conversion Routines
Intrinsic Routines
Math Routines
Memory Allocation Routines
Stream I/O Routines
String Routines
Variable Length Argument Routines
Miscellaneous Routines
Include Files
SFR Definitions
80c517.h
absacc.h
assert.h
ctype.h
float.h
intrins.h
limits.h
math.h
rtx51tny.h
setjmp.h
stdarg.h
stddef.h
stdio.h
stdlib.h
string.h
Reference
_chkfloat_
_crol_
_cror_
_getkey
_irol_
_iror_
_lrol_
_lror_
_nop_
_pop_
_push_
_testbit_
_tolower
_toupper
abs
acos
acos517
asin
asin517
assert
atan
atan2
atan517
atof
atof517
atoi
atol
cabs
calloc
ceil
cos
cos517
cosh
exp
exp517
fabs
floor
fmod
free
getchar
gets
init_mempool
isalnum
isalpha
iscntrl
isdigit
isgraph
islower
isprint
ispunct
isspace
isupper
isxdigit
labs
log
log10
log10517
log517
longjmp
malloc
memccpy
memchr
memcmp
memcpy
memmove
memset
modf
offsetof
pow
printf
printf517
putchar
puts
rand
realloc
scanf
scanf517
setjmp
sin
sin517
sinh
sprintf
sprintf517
sqrt
sqrt517
srand
sscanf
sscanf517
strcat
strchr
strcmp
strcpy
strcspn
strlen
strncat
strncmp
strncpy
strpbrk
strpos
strrchr
strrpbrk
strrpos
strspn
strstr
strtod
strtod517
strtok
strtol
strtoul
switchbank
tan
tan517
tanh
toascii
toint
tolower
toupper
ungetchar
va_arg
va_end
va_start
vprintf
vsprintf
Appendix
Intrinsic Routines
| Routine | Attributes | Description |
|---|---|---|
| _chkfloat_ | intrinsic, reentrant | Checks the status of a floating-point number. |
| _crol_ | intrinsic, reentrant | Rotates an unsigned char left a specified number of bits. |
| _cror_ | intrinsic, reentrant | Rotates an unsigned char right a specified number of bits. |
| _irol_ | intrinsic, reentrant | Rotates an unsigned int left a specified number of bits. |
| _iror_ | intrinsic, reentrant | Rotates an unsigned int right a specified number of bits. |
| _nop_ | intrinsic, reentrant | Executes one NOP instruction. |
| _pop_ | intrinsic, reentrant | Pops an SFR from the hardware stack using the POP instruction. |
| _push_ | intrinsic, reentrant | Pushes an SFR onto the hardware stack using the PUSH instruction. |
| _testbit_ | intrinsic, reentrant | Tests the value of a bit and clears it to 0. |
The C51 Compiler supports a number of intrinsic library routines all of which are defined in the intrins.h include file. Code is generated inline for most intrinsic routines, however, some routines are implemented as functions to save code space.
ProductsDevelopment Tools |
Hardware & Collateral |
Downloads |
Support |
Contact |
 |
||||