/*
    icons.cpp
    Copyright (C) 2009 yellow wood goblin

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#include "icons.h"

void cIcons::maskBlt(const u16* aSrc,u16* aDst)
{
  for(u32 ii=0;ii<32;++ii)
  {
    for(u32 jj=0;jj<16;++jj)
    {
      if(((*(u32*)aSrc)&0x80008000)==0x80008000)
      {
        *(u32*)aDst=*(u32*)aSrc;
      }
      else
      {
        if(aSrc[0]&0x8000) aDst[0]=aSrc[0];
        if(aSrc[1]&0x8000) aDst[1]=aSrc[1];
      }
      aSrc+=2;aDst+=2;
    }
  }
}