Atmel CAVR-4 Manual De Usuario

CAVR-4

Part 2. Compiler reference

_ _fractional_multiply_signed

signed int _ _fracdtional_multiply_signed(signed char, signed 

char);

Generates a 

FMULS

 instruction.

_ _fractional_multiply_signed_

with_unsigned

signed int _ _fractional_multiply_signed_with_unsigned(signed 

char, unsigned char);

Generates a 

FMULSU

 instruction.

_ _fractional_multiply_unsigned

unsigned int _ _fractional_multiply_unsigned(unsigned char, 

unsigned char);

Generates a 

FMUL

 instruction.

_ _indirect_jump_to

void _ _indirect_jump_to(unsigned long);

Jumps to the address specified by the argument by using the 

IJMP

 or 

EIJMP

 instruction, 

depending on the generic processor option. 

-v0

 to 

-v4

 use 

IJMP

, and 

-v5

 and 

-v6

 use 

EIJMP

.

_ _insert_opcode

void _ _insert_opcode(unsigned short);

Inserts a 

DW unsigned

 directive.

_ _load_program_memory

unsigned char _ _load_program_memory(unsigned char _ _flash *);

Returns one byte from code memory. The constants must be placed within the first 64 
Kbytes of memory.

_ _multiply_signed

signed int _ _multiply_signed(signed char, signed char);

Generates a 

MULS

 instruction.

_ _multiply_signed_with_unsigned

signed int _ _multiply_signed_with_unsigned(signed char, unsigned 

char);

Generates a 

MULSU

 instruction.