int acia_snapshot_read_module(struct snapshot_s *p)
{
if (_acia_snapshot_read_module(p) < 0) {
_acia_enabled = 0;
return -1;
}
/* FIXME: Why do we need to do so??? */
if (acia_enable() == 0) {
acia_reset(); /* Clear interrupts. */
_acia_enabled = 1;
}
return 0;
}
static void acia_write_byte(LONG addr, BYTE data)
{
CLOCK("Wait states: 6");
cpu_add_extra_cycles(6);
switch(addr) {
case 0xfffc00:
DEBUG("Control %02x", data);
if(data == 3) {
DEBUG("Reset");
acia_reset();
} else if((data & 0x7C) != 0x14)
DEBUG("Unsupported configuration");
acia_control = data;
break;
case 0xfffc02:
TRACE("Write %02x", data);
ikbd_write_byte(data);
break;
}
}
/* PLUS4-specific reset sequence. */
void machine_specific_reset(void)
{
serial_traps_reset();
acia_reset();
rs232drv_reset();
printer_reset();
plus4tcbm1_reset();
plus4tcbm2_reset();
ted_reset();
sid_reset();
cs256k_reset();
h256k_reset();
drive_reset();
datasette_reset();
}
void acia_write(uint16_t addr, uint8_t val)
{
if (addr & 1)
{
putchar(val);
// acia_sr &= 0xFD;
// acia_updateint();
}
else if (val != acia_cr)
{
if (!(val & 0x40)) // interupts disabled as serial TX buffer empties.
fflush(stdout);
acia_cr = val;
if (val == 3)
acia_reset();
switch (val & 3)
{
case 1: acia_tapespeed=0; break;
case 2: acia_tapespeed=1; break;
}
}
}
void main_reset()
{
m6502_reset();
crtc_reset();
video_reset();
sysvia_reset();
uservia_reset();
serial_reset();
acia_reset(&sysacia);
wd1770_reset();
i8271_reset();
scsi_reset();
vdfs_reset();
sid_reset();
music4000_reset();
music5000_reset();
sn_init();
if (curtube != -1) tubes[curtube].reset();
else tube_exec = NULL;
tube_reset();
memset(ram, 0, 64 * 1024);
}
