add Berkeley specific copyright notice

[unix-history] / usr / src / sys / tahoe / align / Acvtlb.c

/*-
* Copyright (c) 1986 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Computer Consoles Inc.
*
* %sccs.include.redist.c%
*
*      @(#)Acvtlb.c    7.1 (Berkeley) %G%
*/

#include "align.h"
cvtlb(infop)    process_info *infop;
/*
/*      Convert long to byte, checks overflow
/*
/****************************************/
{
       register long result;

       result = operand(infop,0)->data;
       if (result < 0 )  negative_1 ; else negative_0;
       if (result == 0 )  zero_1 ; else zero_0;
       carry_1; 
       if (result > 0x7f || result <= -0x80) overflow_1;
       else overflow_0;
       write_back (infop, result, operand(infop,1) );
}