void
midi_interrupt_op(
int32 op,
void * data)
{
midi_dev * port = (midi_dev *)data;
ddprintf(("port = %p\n", port));
if (op == B_MPU_401_ENABLE_CARD_INT) {
cpu_status cp;
ddprintf(("cmedia_pci: B_MPU_401_ENABLE_CARD_INT\n"));
cp = disable_interrupts();
acquire_spinlock(&port->card->hardware);
increment_interrupt_handler(port->card);
set_direct(port->card, 0x01, 0x00, 0x80);
set_indirect(port->card, 0x2A, 0x04, 0xff);
release_spinlock(&port->card->hardware);
restore_interrupts(cp);
}
else if (op == B_MPU_401_DISABLE_CARD_INT) {
/* turn off MPU interrupts */
cpu_status cp;
ddprintf(("cmedia_pci: B_MPU_401_DISABLE_CARD_INT\n"));
cp = disable_interrupts();
acquire_spinlock(&port->card->hardware);
set_direct(port->card, 0x01, 0x80, 0x80);
/* remove interrupt handler if necessary */
decrement_interrupt_handler(port->card);
release_spinlock(&port->card->hardware);
restore_interrupts(cp);
}
ddprintf(("cmedia_pci: midi_interrupt_op() done\n"));
}
void mousemove(t_graph *g, SDL_Event event)
{
(g->angle)[TETA] += 0.1 * event.motion.xrel;
(g->angle)[PHI] -= 0.1 * event.motion.yrel;
if ((g->angle)[PHI] > 89.0)
(g->angle)[PHI] = 89.0;
if ((g->angle)[PHI] < -89.0)
(g->angle)[PHI] = -89.0;
set_direct(g->to, g->left, g->angle);
}