static void store_ciapb(cia_context_t *cia_context, CLOCK rclk, BYTE byte)
{
printer_userport_write_data(byte);
printer_userport_write_strobe(0);
printer_userport_write_strobe(1);
/* FIXME: in the upcoming userport system this call needs to be conditional */
userport_joystick_store_pbx(byte);
}
static void reset(via_context_t *via_context)
{
/* set IEC output lines */
parallel_cpu_set_atn(0);
parallel_cpu_set_nrfd(0);
printer_userport_write_data(0xff);
printer_userport_write_strobe(1);
}
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 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 BYTE store_pcr(via_context_t *via_context, BYTE byte, WORD addr)
{
#if 0
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;
}
crtc_set_char(byte & 2); /* switching PET charrom with CA2 */
/* switching userport strobe with CB2 */
printer_userport_write_strobe(byte & 0x20);
}
#endif
petsound_store_manual((byte & 0xe0) == 0xe0); /* Manual control of CB2 sound */
return byte;
}
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;
mem_set_vbank(new_vbank);
}
(*iecbus_callback_write)((BYTE)tmp, maincpu_clk);
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;
}
static void do_reset_cia(cia_context_t *cia_context)
{
printer_userport_write_strobe(1);
printer_userport_write_data(0xff);
}
/* switching userport strobe with CB2 */
static void set_cb2(via_context_t *via_context, int state)
{
printer_userport_write_strobe(state);
}
