/* This is called with interrupts off. */
void platform_interrupt(void)
{
switch (last_interrupt)
{
case INTERRUPT_WDT:
timer_interrupt();
break;
case INTERRUPT_USCI_A0:
tty_interrupt();
break;
}
}
/* We assign these to dummy to deal with an sdcc bug (should be fixed in next
SDCC) */
void platform_interrupt(void)
{
uint8_t dummy;
uint8_t irq = *((volatile uint8_t *)0x37E0);
tty_interrupt();
kbd_interrupt();
if (irq & 0x40)
dummy = sdcc_bug_2753(*((volatile uint8_t *)0x37EC));
if (irq & 0x80) { /* FIXME??? */
timer_interrupt();
dummy = sdcc_bug_2753(*((volatile uint8_t *)0x37E0)); /* Ack the timer */
}
}
void tty_poll(void)
{
uint8_t reg;
/* Do the VG port */
if (ports & 0x10) {
reg = vg_tr1865_wrst;
if (reg & 0x01) {
reg = vg_tr1865_ctrd;
tty_inproc(3, reg);
}
if ((trs_flow & 0x10) && fullq(&ttyinq[3]))
vg_tr1865_ctrd = vg_tr1865_ctrd_save & ~1;
}
/* Do the Model I/III port */
if (ports & 0x08)
tty_interrupt();
}
void platform_interrupt(void)
{
timer_interrupt();
tty_interrupt();
}
