DMABUF_SIZE
devc->audio_memptr += (DMABUF_SIZE + 4095) & ~4095;
if (portc->buf_size > DMABUF_SIZE) {
(int)portc->buf_size, DMABUF_SIZE);
portc->buf_size = DMABUF_SIZE;
#define AUDIO_MEMSIZE (EMU10K_NUM_PORTC*DMABUF_SIZE+4096)