Added double curly braces for pragma (kept single curly braces for compatibility). Added macro def and undef surrounding pragma to simplify user code. Moved useless comment from generated code back to code generator.
FUNCTION WEIGH : WORD (* BCD encoded *)
VAR_INPUT (* "EN" input is used to indicate "scale ready" *)
weigh_command : BOOL;
gross_weight : WORD ; (* BCD encoded *)
tare_weight : INT ;
END_VAR
(* Function Body *)
LD weigh_command
JMPC WEIGH_NOW
ST ENO (* No weighing, 0 to "ENO" *)
RET
WEIGH_NOW: LD gross_weight
BCD_TO_INT
SUB tare_weight
INT_TO_BCD (* Return evaluated weight *)
ST WEIGH
END_FUNCTION (* Implicit "ENO" *)