void c64keyboard_restore_key(int v)
{
/* ignore key release */
if (v) {
/* trigger the NMI */
maincpu_set_nmi(c64keyboard_int_num, 1);
/* ack the restore NMI, leaving global_pending_int active */
maincpu_set_nmi(c64keyboard_int_num, 0);
}
}
static void midi_set_int(int midiirq, unsigned int int_num, int value)
{
if (midiirq == IK_IRQ) {
maincpu_set_irq(int_num, value);
}
if (midiirq == IK_NMI) {
maincpu_set_nmi(int_num, value);
}
}
/* called by the Freeze Button alarm */
static void cart_freeze_alarm_triggered(CLOCK offset, void *data)
{
DBG(("cart_freeze_alarm_triggered\n"));
alarm_unset(cartridge_freeze_alarm);
cart_freeze_alarm_time = CLOCK_MAX;
if (cart_freeze_allowed()) { /* c64carthooks.c */
DBG(("cart_trigger_freeze delay 3 cycles\n"));
maincpu_set_nmi(cartridge_int_num, IK_NMI);
cart_nmi_alarm_time = maincpu_clk + 3;
alarm_set(cartridge_nmi_alarm, cart_nmi_alarm_time);
}
}
/* called from individual carts */
void cart_trigger_nmi(void)
{
maincpu_set_nmi(cartridge_int_num, IK_NMI);
cart_nmi_alarm_time = maincpu_clk + 3;
alarm_set(cartridge_nmi_alarm, cart_nmi_alarm_time);
}
/* called by individual carts */
void cartridge_release_freeze(void)
{
maincpu_set_nmi(cartridge_int_num, 0);
}
/* trigger a freeze, but don't trigger the cartridge logic (which might release it). used by monitor */
void cartridge_trigger_freeze_nmi_only(void)
{
maincpu_set_nmi(cartridge_int_num, IK_NMI);
}