for (i = 0; i < mix_count; i++)
{
register short *mix_ptr = mix_buffer;
register short *sound_ptr =
sound_data[mix_play[i]] + sound_pos[mix_play[i]];
for (i = 0; i < mix_count; i++)
{
register short *mix_ptr = mix_buffer;
register short *sound_ptr =
sound_data[mix_play[i]] + sound_pos[mix_play[i]];