static void reset(via_context_t *via_context)
{
/* iec_pa_write(0xff);*/
printer_userport_write_data(0xff);
printer_userport_write_strobe(1);
#ifdef HAVE_RS232
rsuser_write_ctrl(0xff);
rsuser_set_tx_bit(1);
#endif
}
static void undump_ciapa(cia_context_t *cia_context, CLOCK rclk, BYTE byte)
{
#ifdef HAVE_RS232
if (rsuser_enabled) {
rsuser_set_tx_bit((int)(byte & 4));
}
#endif
vbank = (byte ^ 3) & 3;
mem_set_vbank(vbank);
iecbus_cpu_undump((BYTE)(byte ^ 0xff));
}
static void do_reset_cia(cia_context_t *cia_context)
{
printer_userport_write_strobe(1);
printer_userport_write_data((BYTE)0xff);
#ifdef HAVE_RS232
rsuser_write_ctrl((BYTE)0xff);
rsuser_set_tx_bit(1);
#endif
vbank = 0;
mem_set_vbank(vbank);
}
static void do_reset_cia(cia_context_t *cia_context)
{
store_userport_pbx(0xff);
/* The functions below will gradually be removed as the functionality is added to the new userport system. */
#if defined(HAVE_RS232DEV) || defined(HAVE_RS232NET)
rsuser_write_ctrl((BYTE)0xff);
rsuser_set_tx_bit(1);
#endif
vbank = 0;
mem_set_vbank(vbank);
}
static void store_ciapa(cia_context_t *cia_context, CLOCK rclk, BYTE byte)
{
if (cia_context->old_pa != byte) {
BYTE tmp;
int new_vbank;
#if defined(HAVE_RS232DEV) || defined(HAVE_RS232NET)
if (rsuser_enabled && ((cia_context->old_pa ^ byte) & 0x04)) {
rsuser_set_tx_bit(byte & 4);
}
#endif
tmp = ~byte;
new_vbank = tmp & 3;
if (new_vbank != vbank) {
vbank = new_vbank;
mem_set_vbank(new_vbank);
}
(*iecbus_callback_write)((BYTE)tmp, maincpu_clk);
}
}
static void store_ciapa(cia_context_t *cia_context, CLOCK rclk, BYTE byte)
{
if (cia_context->old_pa != byte) {
BYTE tmp;
int new_vbank;
#ifdef HAVE_RS232
if (rsuser_enabled && ((cia_context->old_pa ^ byte) & 0x04)) {
rsuser_set_tx_bit(byte & 4);
}
#endif
tmp = ~byte;
new_vbank = tmp & 3;
if (new_vbank != vbank) {
vbank = new_vbank;
c64_glue_set_vbank(new_vbank, pa_ddr_change);
}
(*iecbus_callback_write)((BYTE)tmp, maincpu_clk + !(cia_context->write_offset));
printer_userport_write_strobe(tmp & 0x04);
}
}
static BYTE store_pcr(via_context_t *via_context, BYTE byte, WORD addr)
{
/* FIXME: should use via_set_ca2() and via_set_cb2() */
if (byte != via_context->via[VIA_PCR]) {
register BYTE tmp = byte;
/* first set bit 1 and 5 to the real output values */
if ((tmp & 0x0c) != 0x0c)
tmp |= 0x02;
if ((tmp & 0xc0) != 0xc0)
tmp |= 0x20;
datasette_set_motor(!(byte & 0x02));
#ifdef HAVE_RS232
/* switching userport strobe with CB2 */
if (rsuser_enabled) {
rsuser_set_tx_bit(byte & 0x20);
}
#endif
printer_userport_write_strobe(byte & 0x20);
}
return byte;
}
