This function is used to read or write (instruction) the second word (starting with the least significant) of the argument.
Reading:
Syntax |
u16 w1 (i32|u32|real arg) |
|---|---|
arg |
Word argument. From RTE 33.7.1 it can be any expression |
Result |
Returns the second word of the argument |
Validity |
Rule, Task |
Note |
From RTE 33.9.0 accessing a non-existing word returns an error |
Writing (Instruction):
Syntax |
w1 (i32|u32|real arg) = u16 value |
|---|---|
arg |
Word argument |
value |
Value to be imposed |
Validity |
Rule, Task |
Note |
This instruction cannot be used to set the value of a register (e.g., w1(r(1))=val) |
