HIBYTE

Function - Get the most significant byte of a word

Inputs

IN : UINT  16 bit register

Outputs

Q : USINT  Most significant byte

Remarks

In LD language, the operation is executed only if the input rung (EN) is TRUE. The output rung (ENO) keeps the same value as the input rung. In IL, the input must be loaded in the current result before calling the function.

ST Language

Q := HIBYTE (IN);

FBD Language

LD Language

(* The function is executed only if EN is TRUE *)
(* ENO keeps the same value as EN *)

IL Language:

Op1: LD  IN
     HIBYTE
     ST  Q

See also

LOBYTE  LOWORD  HIWORD  MAKEWORD  MAKEDWORD