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53 lines
983 B
53 lines
983 B
/*[
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xchg.c
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LOCAL CHAR SccsID[]="@(#)xchg.c 1.5 02/09/94";
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XCHG CPU Functions.
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-------------------
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]*/
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#include <insignia.h>
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#include <host_def.h>
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#include <xt.h>
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#include <c_main.h>
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#include <c_addr.h>
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#include <c_bsic.h>
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#include <c_prot.h>
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#include <c_seg.h>
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#include <c_stack.h>
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#include <c_xcptn.h>
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#include <c_reg.h>
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#include <xchg.h>
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/*
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=====================================================================
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EXTERNAL ROUTINES START HERE
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=====================================================================
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*/
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/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
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/* Generic - one size fits all 'xchg'. */
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/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
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GLOBAL VOID
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XCHG
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IFN2(
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IU32 *, pop1, /* pntr to dst/lsrc operand */
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IU32 *, pop2 /* pntr to dst/rsrc operand */
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)
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{
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IU32 temp;
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temp = *pop1;
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*pop1 = *pop2;
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*pop2 = temp;
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}
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