Attention
IronPLC can only run very simple programs. The steps described are accurate but many language features are not yet supported.
ROL¶
Rotates a bit string left by a specified number of positions.
IEC 61131-3 |
Section 2.5.1.5.6 |
Support |
Not yet supported |
Signatures¶
# |
Input (IN) |
Input (N) |
Return Type |
Support |
|---|---|---|---|---|
1 |
|
|
|
Not yet supported |
2 |
|
|
|
Not yet supported |
3 |
|
|
|
Not yet supported |
4 |
|
|
|
Not yet supported |
Description¶
Rotates the bit string IN left by N positions. Bits shifted out of the leftmost position wrap around to the rightmost position. No bits are lost.
Example¶
result := ROL(BYTE#2#1000_0001, 1); (* result = 2#0000_0011 *)
result := ROL(WORD#16#F000, 4); (* result = 16#000F *)