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59 lines
1.1 KiB
59 lines
1.1 KiB
/*[
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xadd.c
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LOCAL CHAR SccsID[]="@(#)xadd.c 1.5 02/09/94";
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XADD 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 <xadd.h>
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#include <add.h>
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/*
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=====================================================================
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EXTERNAL FUNCTIONS START HERE.
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=====================================================================
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*/
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#ifdef SPC486
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/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
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/* Generic - one size fits all 'xadd'. */
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/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
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GLOBAL VOID
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XADD
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IFN3(
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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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IUM8, op_sz /* 8, 16 or 32-bit */
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)
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{
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IU32 temp;
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temp = *pop1;
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ADD(pop1, *pop2, op_sz);
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*pop2 = temp;
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}
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#endif /* SPC486 */
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