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AnnexF/weigh_il.txt
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Fri, 06 May 2016 11:38:35 +0300
changeset 1007 afb3974f8fb3
parent 0 fb772792efd1
permissions -rwxr-xr-x
fix warning about overflow if matiec is running on 64-bit platform,
but the generated C code will cross-compiled for 32-bit platform

For example:
./build/config.c:29:39: error: large integer implicitly truncated to unsigned type [-Werror=overflow]
unsigned long greatest_tick_count__ = 18446744073709551611UL; /*tick*/
^
compilation terminated due to -Wfatal-errors.
cc1: all warnings being treated as errors 
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" *)
matiec