#include <stdlib.h>
#include <stdio.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "wv.h"

void wvGetPHE6(PHE *dest,U8 *page,U16 *pos)
	{
	U8 temp8;

#ifdef PURIFY
	wvInitPHE(dest,0);
#endif

	temp8 = bread_8ubit(&(page[*pos]),pos);
	dest->var1.fSpare = temp8 & 0x01;
	dest->var1.fUnk = (temp8 & 0x02) >> 1;

	dest->var1.fDiffLines = (temp8 & 0x04) >> 2;
	dest->var1.reserved1 = (temp8 & 0xf8) >> 3;

	dest->var1.clMac = bread_8ubit(&(page[*pos]),pos);

	dest->var1.dxaCol = (S16) bread_16ubit(&(page[*pos]),pos);
	dest->var1.dymHeight = (S32) bread_16ubit(&(page[*pos]),pos);
	}

void wvGetPHE(PHE *dest,int which,U8 *page,U16 *pos)
	{
	U8 temp8;
	U32 temp32;

#ifdef PURIFY
	wvInitPHE(dest,which);
#endif

	if (which)
		{
		temp32 = bread_32ubit(&(page[*pos]),pos);
		dest->var2.fSpare = temp32 & 0x0001;
        dest->var2.fUnk = (temp32 & 0x0002) >> 1;
        dest->var2.dcpTtpNext = (temp32 & 0xfffffffc) >> 2;
		dest->var2.dxaCol = (S32) bread_32ubit(&(page[*pos]),pos);
		dest->var2.dymHeight = (S32) bread_32ubit(&(page[*pos]),pos);
		}
	else
		{
		temp8 = bread_8ubit(&(page[*pos]),pos);
		dest->var1.fSpare = temp8 & 0x01;
        dest->var1.fUnk = (temp8 & 0x02) >> 1;

		dest->var1.fDiffLines = (temp8 & 0x04) >> 2;
        dest->var1.reserved1 = (temp8 & 0xf8) >> 3;

        dest->var1.clMac = bread_8ubit(&(page[*pos]),pos);

        dest->var1.reserved2 = bread_16ubit(&(page[*pos]),pos);
		
		dest->var1.dxaCol = (S32) bread_32ubit(&(page[*pos]),pos);
        dest->var1.dymHeight = (S32) bread_32ubit(&(page[*pos]),pos);
		}
	}

void wvCopyPHE(PHE *dest,PHE *src,int which)
	{
	if (which)
		{
		dest->var2.fSpare = src->var2.fSpare;
        dest->var2.fUnk = src->var2.fUnk;
        dest->var2.dcpTtpNext = src->var2.dcpTtpNext;
        dest->var2.dxaCol = src->var2.dxaCol;
        dest->var2.dymHeight = src->var2.dymHeight;
		}
	else
		{
		dest->var1.fSpare = src->var1.fSpare;
        dest->var1.fUnk = src->var1.fUnk;

		dest->var1.fDiffLines = src->var1.fDiffLines;
        dest->var1.reserved1 = src->var1.reserved1;
        dest->var1.clMac = src->var1.clMac;
        dest->var1.reserved2 = src->var1.reserved2;
		
		dest->var1.dxaCol = src->var1.dxaCol;
        dest->var1.dymHeight = src->var1.dymHeight;
		}
	}

void wvInitPHE(PHE *item,int which)
	{
	if (which)
		{
		item->var2.fSpare = 0;
        item->var2.fUnk = 0;
        item->var2.dcpTtpNext = 0;
        item->var2.dxaCol = 0;
        item->var2.dymHeight = 0;
		}
	else
		{
		item->var1.fSpare = 0;
        item->var1.fUnk = 0;

		item->var1.fDiffLines = 0;
        item->var1.reserved1 = 0;
        item->var1.clMac = 0;
        item->var1.reserved2 = 0;
		
		item->var1.dxaCol = 0;
        item->var1.dymHeight = 0;
		}
	}
