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This function is used to read or write (instruction) the first word (starting with the least significant) of the argument with sign extension.

Reading:

Syntax

i16 sw0 (i16|i32|u16|u32|real arg)

arg

Word argument.

From RTE 33.7.1 it can be any expression

Result

Returns the first word of the argument with the sign

Validity

Rule, Task

Note

From RTE 33.9.0 accessing a non-existing word returns an error

Writing (instruction):

Syntax

sw0 (i16|i32|u16|u32|real arg) = i16 value

arg

Word argument

value

Value to be imposed

Validity

Rule, Task

Note


 

  

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