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/*
By Jim Frost 1989.10.02.
Copyright 1989 Jim Frost.
See COPYRIGHT file for copyright information.
*/
#ifndef VALTOMEM_H_INCLUDED
#define VALTOMEM_H_INCLUDED
/* inline these functions for speed. these only work for {len : 1,2,3,4}.
*/
#define memToVal(PTR,LEN) \
((LEN) == 1 ? ((unsigned long)(*((unsigned char *)PTR))) : \
((LEN) == 3 ? ((unsigned long) \
(*(unsigned char *)(PTR) << 16) | \
(*((unsigned char *)(PTR) + 1) << 8) | \
(*((unsigned char *)(PTR) + 2))) : \
((LEN) == 2 ? ((unsigned long) \
(*(unsigned char *)(PTR) << 8) | \
(*((unsigned char *)(PTR) + 1))) : \
((unsigned long)((*(unsigned char *)(PTR) << 24) | \
(*((unsigned char *)(PTR) + 1) << 16) | \
(*((unsigned char *)(PTR) + 2) << 8) | \
(*((unsigned char *)(PTR) + 3)))))))
#define memToValLSB(PTR,LEN) \
((LEN) == 1 ? ((unsigned long)(*(unsigned char *)(PTR))) : \
((LEN) == 3 ? ((unsigned long) \
(*(unsigned char *)(PTR)) | \
(*((unsigned char *)(PTR) + 1) << 8) | \
(*((unsigned char *)(PTR) + 2) << 16)) : \
((LEN) == 2 ? ((unsigned long) \
(*(unsigned char *)(PTR)) | (*((unsigned char *)(PTR) + 1) << 8)) : \
((unsigned long)((*(unsigned char *)(PTR)) | \
(*((unsigned char *)(PTR) + 1) << 8) | \
(*((unsigned char *)(PTR) + 2) << 16) | \
(*((unsigned char *)(PTR) + 3) << 24))))))
#define valToMem(VAL,PTR,LEN) \
((LEN) == 1 ? (*(unsigned char *)(PTR) = ((unsigned int)(VAL) & 0xff)) : \
((LEN) == 3 ? (((*(unsigned char *)(PTR)) = ((unsigned int)(VAL) & 0xff0000) >> 16), \
((*((unsigned char *)(PTR) + 1)) = ((unsigned int)(VAL) & 0xff00) >> 8), \
((*((unsigned char *)(PTR) + 2)) = ((unsigned int)(VAL) & 0xff))) : \
((LEN) == 2 ? (((*(unsigned char *)(PTR)) = ((unsigned int)(VAL) & 0xff00) >> 8), \
((*((unsigned char *)(PTR) + 1)) = ((unsigned int)(VAL) & 0xff))) : \
(((*(unsigned char *)(PTR)) = ((unsigned int)(VAL) & 0xff000000) >> 24), \
((*((unsigned char *)(PTR) + 1)) = ((unsigned int)(VAL) & 0xff0000) >> 16), \
((*((unsigned char *)(PTR) + 2)) = ((unsigned int)(VAL) & 0xff00) >> 8), \
((*((unsigned char *)(PTR) + 3)) = ((unsigned int)(VAL) & 0xff))))))
#define valToMemLSB(VAL,PTR,LEN) \
((LEN) == 1 ? (*(unsigned char *)(PTR) = ((unsigned int)(VAL) & 0xff)) : \
((LEN) == 3 ? (((*(unsigned char *)(PTR) + 2) = ((unsigned int)(VAL) & 0xff0000) >> 16), \
((*((unsigned char *)(PTR) + 1)) = ((unsigned int)(VAL) & 0xff00) >> 8), \
((*(unsigned char *)(PTR)) = ((unsigned int)(VAL) & 0xff))) : \
((LEN) == 2 ? (((*((unsigned char *)(PTR) + 1) = ((unsigned int)(VAL) & 0xff00) >> 8), \
((*(unsigned char *)(PTR)) = ((unsigned int)(VAL) & 0xff)))) : \
(((*((unsigned char *)(PTR) + 3)) = ((unsigned int)(VAL) & 0xff000000) >> 24), \
((*((unsigned char *)(PTR) + 2)) = ((unsigned int)(VAL) & 0xff0000) >> 16), \
((*((unsigned char *)(PTR) + 1)) = ((unsigned int)(VAL) & 0xff00) >> 8), \
((*(unsigned char *)(PTR)) = ((unsigned int)(VAL) & 0xff))))))
#endif
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