Revision 3d688583a7655fccbfe13ab918f9f79fbd8de6cc authored by Ron Burkey on 21 December 2017, 13:07:04 UTC, committed by Ron Burkey on 21 December 2017, 13:07:04 UTC
1 parent 65b709e
BUS.cpp
/****************************************************************************
* BUS - READ/WRITE BUS subsystem
*
* AUTHOR: John Pultorak
* DATE: 9/22/01
* FILE: BUS.cpp
*
* NOTES: see header file.
*
*****************************************************************************
*/
#include "BUS.h"
unsigned BUS::glbl_READ_BUS = 0;
unsigned BUS::glbl_WRITE_BUS = 0;
ovfState
BUS::testOverflow(unsigned bus)
{
if ((bus & 0100000) && !(bus & 0040000))
return NEG_OVF; // negative overflow
else if (!(bus & 0100000) && (bus & 0040000))
return POS_OVF; // positive overflow
else
return NO_OVF;
}
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