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PM0014 Fiches technique(PDF) 17 Page - STMicroelectronics

No de pièce PM0014
Description  General-purpose DSP library
PDF  46 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM0014 Fiches technique(HTML) 17 Page - STMicroelectronics

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PM0014
Arithmetic library functions
17/46
5.3
Subtraction
5.3.1
sub_16
sub_16 (short Op1, short Op2, short *Output)
Description:
Subtraction of two real 16-bit inputs.
Argument:
Op1
Left operand.
Op2
Right operand.
Output
Output pointer.
Algorithm:
Op1 - Op2 = Output
Note:
Assembly source
code:
sub_16.asm
Code size and cycles: Size: 6 bytes
Instruction cycles: 10
Test:
Two files are provided to test the function: an input vector file
(Sub_16.in) and an output vector file (Sub_16.res):
Sub_16.in is made as follows:
Left operand1, Right operand1,
...
Sub_16.res is made as follows:
Output operand1,
...



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