void swapBuff() {
int i;
long next, old;
_farsetsel(my_video_ds);
for (i = 0; i < 1024*768/4; i++) {
next = ((long*)doubleBuff)[i];
old = ((long*)prevBuff)[i];
if (next != old) {
_farnspokel(i*4, next);
((long*)prevBuff)[i] = next;
}
}
}
static int Clear(SexyAL_device *device)
{
CMI8738_Driver_t *ds = (CMI8738_Driver_t *)device->private_data;
const uint32_t base = ds->dmabuf.rm_segment << 4;
const uint32_t siz = ds->dmabuf.size << 4;
Pause(device, true);
_farsetsel(_dos_ds);
for(unsigned i = 0; i < siz; i += 4)
_farnspokel(base + i, 0);
UpdateReadCounter(ds);
ds->write_counter = ds->read_counter;
return(1);
}