38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/*
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* Copyright (c) 1995 Colin Plumb. All rights reserved.
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* For licensing and other legal details, see the file legal.c.
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*
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* lbn68000.h - 16-bit bignum primitives for the 68000 (or 68010) processors.
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*
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* These primitives use little-endian word order.
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* (The order of bytes within words is irrelevant.)
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*/
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#define BN_LITTLE_ENDIAN 1
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typedef unsigned short bnword16
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#define BNWORD16 bnword16
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bnword16 lbnSub1_16(bnword16 *num, unsigned len, bnword16 borrow);
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bnword16 lbnAdd1_16(bnword16 *num, unsigned len, bnword16 carry);
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void lbnMulN1_16(bnword16 *out, bnword16 const *in, unsigned len, bnword16 k);
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bnword16
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lbnMulAdd1_16(bnword16 *out, bnword16 const *in, unsigned len, bnword16 k);
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bnword16
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lbnMulSub1_16(bnword16 *out, bnword16 const *in, unsigned len, bnword16 k);
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bnword16 lbnDiv21_16(bnword16 *q, bnword16 nh, bnword16 nl, bnword16 d);
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unsigned lbnModQ_16(bnword16 const *n, unsigned len, bnword16 d);
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int is68020(void);
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/* #define the values to exclude the C versions */
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#define lbnSub1_16 lbnSub1_16
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#define lbnAdd1_16 lbnAdd1_16
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#define lbnMulN1_16 lbnMulN1_16
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#define lbnMulAdd1_16 lbnMulAdd1_16
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#define lbnMulSub1_16 lbnMulSub1_16
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#define lbnDiv21_16 lbnDiv21_16
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#define lbnModQ_16 lbnModQ_16
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/* Also include the 68020 definitions for 16/32 bit switching versions. */
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#include <lbn68020.h>
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