inline void gba_state::update_mask(UINT8* mask, int mode, int submode, UINT32* obj_win, UINT8 inwin0, UINT8 inwin1, UINT8 in0_mask, UINT8 in1_mask, UINT8 out_mask)
{
UINT8 mode_mask = 0;
if (submode == GBA_SUBMODE2)
{
for (int x = 0; x < 240; x++)
{
mask[x] = out_mask;
if ((obj_win[x] & 0x80000000) == 0)
mask[x] = m_WINOUT >> 8;
if (inwin1)
{
if (is_in_window(x, 1))
mask[x] = in1_mask;
}
if (inwin0)
{
if (is_in_window(x, 0))
mask[x] = in0_mask;
}
}
}
if (mode == GBA_MODE1)
{
// disable line3
mode_mask = ~0x08;
}
else if (mode == GBA_MODE2)
{
// disable line0 & line1
mode_mask = ~0x03;
}
else if (mode == GBA_MODE345)
{
// disable line0, line1 & line3
mode_mask = ~0x0b;
}
if (mode_mask)
{
for (int x = 0; x < 240; x++)
mask[x] &= mode_mask;
}
}
void determine(){
int x, y;
int pos;
scanf("%d %d ", &x, &y);
for(pos=wnum-1;pos>=0; pos--){
if(is_in_window(&win[pos],x,y)){
break;
}
}
printf("%d\n",pos);
}