/*************************************************
* memory mapped I/O write
* bit function
* 7-6 not assigned
* 5 speaker B ???
* 4 ???
* 3 mode: 1 graphics, 0 text
* 2 cassette out (MSB)
* 1 cassette out (LSB)
* 0 speaker A
************************************************/
static void mwa_bank(int bank, int offs, int data)
{
offs += 0x4000 * laser_bank[bank];
switch (laser_bank[bank])
{
case 0: /* ROM lower 16K */
case 1: /* ROM upper 16K */
logerror("bank #%d write to ROM [$%05X] $%02X\n", bank+1, offs, data);
break;
case 2: /* memory mapped output */
if (data != laser_latch)
{
logerror("bank #%d write to I/O [$%05X] $%02X\n", bank+1, offs, data);
/* Toggle between graphics and text modes? */
if ((data ^ laser_latch) & 0x01)
speaker_level_w(0, data & 1);
laser_latch = data;
}
break;
case 12: /* ext. ROM #1 */
case 13: /* ext. ROM #2 */
case 14: /* ext. ROM #3 */
case 15: /* ext. ROM #4 */
logerror("bank #%d write to ROM [$%05X] $%02X\n", bank+1, offs, data);
break;
default: /* RAM */
if( laser_bank[bank] == laser_video_bank && mem[offs] != data )
{
logerror("bank #%d write to videoram [$%05X] $%02X\n", bank+1, offs, data);
dirtybuffer[offs&0x3fff] = 1;
}
mem[offs] = data;
break;
}
}
void pc_speaker_set_input(running_machine &machine, UINT8 data)
{
device_t *speaker = machine.device(SPEAKER_TAG);
pc_state *st = machine.driver_data<pc_state>();
st->m_pc_input = data ? 1 : 0;
speaker_level_w( speaker, pc_speaker_get_spk(machine) );
}
static WRITE8_HANDLER(exidy_ff_port_w)
{
logerror("exidy ff w: %04x %02x\n",offset,data);
switch ((readinputport(0)>>1) & 0x01)
{
case 0:
{
int level;
level = 0;
if (data)
{
level = 0x0ff;
}
speaker_level_w(0, level);
}
break;
case 1:
{
/* printer */
/* bit 7 = strobe, bit 6..0 = data */
centronics_write_handshake(0, CENTRONICS_SELECT | CENTRONICS_NO_RESET, CENTRONICS_SELECT| CENTRONICS_NO_RESET);
centronics_write_handshake(0, (data>>7) & 0x01, CENTRONICS_STROBE);
centronics_write_data(0,data & 0x07f);
}
break;
}
}
static WRITE8_HANDLER( cybiko_io_reg_w )
{
cybiko_state *state = space->machine().driver_data<cybiko_state>();
device_t *rtc = space->machine().device("rtc");
device_t *speaker = space->machine().device("speaker");
_logerror( 2, ("cybiko_io_reg_w (%08X/%02X)\n", offset, data));
switch (offset)
{
// speaker
case H8S_IO_P1DR : speaker_level_w( speaker, (data & H8S_P1_TIOCB1) ? 1 : 0); break;
// serial dataflash
case H8S_IO_P3DR :
{
device_t *device = space->machine().device("flash1");
at45dbxx_pin_cs ( device, (data & H8S_P3_SCK0) ? 0 : 1);
at45dbxx_pin_si ( device, (data & H8S_P3_TXD1) ? 1 : 0);
at45dbxx_pin_sck( device, (data & H8S_P3_SCK1) ? 1 : 0);
}
break;
// state->m_rs232
case H8S_IO_P5DR :
{
cybiko_rs232_pin_txd(state, (data & H8S_P5_TXD2) ? 1 : 0);
cybiko_rs232_pin_sck(state, (data & H8S_P5_SCK2) ? 1 : 0);
}
break;
// real-time clock
case H8S_IO_PFDR : pcf8593_pin_scl(rtc, (data & H8S_PF_PF1) ? 1 : 0); break;
case H8S_IO_PFDDR : pcf8593_pin_sda_w(rtc, (data & H8S_PF_PF0) ? 0 : 1); break;
}
}
/*
Sound and cassette port use a common pin. Therefore the signal to cassette
will appear on audio output. Sound port is a simple one bit I/O and therefore
it must be toggled at a specific rate under software control.
*/
static WRITE8_HANDLER( cassette_w )
{
device_t *speaker = space->machine().device("speaker");
device_t *cassette = space->machine().device("cassette");
speaker_level_w(speaker, BIT(data, 0));
cassette_output(cassette, BIT(data, 0) ? +1.0 : -1.0);
}
static WRITE8_HANDLER ( lviv_ppi_0_portc_w ) /* tape in/out, video memory on/off */
{
lviv_ppi_port_outputs[0][2] = data;
if (lviv_ppi_port_outputs[0][1]&0x80)
speaker_level_w(0, data&0x01);
cassette_output(image_from_devtype_and_index(IO_CASSETTE, 0), (data & 0x01) ? -1.0 : 1.0);
lviv_update_memory();
}
/*************************************************
* memory mapped I/O write
* bit function
* 7-6 not assigned
* 5 speaker B ???
* 4 ???
* 3 mode: 1 graphics, 0 text
* 2 cassette out (MSB)
* 1 cassette out (LSB)
* 0 speaker A
************************************************/
static void mwa_bank(running_machine &machine, int bank, int offs, int data)
{
vtech2_state *state = machine.driver_data<vtech2_state>();
device_t *speaker = machine.device(SPEAKER_TAG);
offs += 0x4000 * state->m_laser_bank[bank];
switch (state->m_laser_bank[bank])
{
case 0: /* ROM lower 16K */
case 1: /* ROM upper 16K */
logerror("bank #%d write to ROM [$%05X] $%02X\n", bank+1, offs, data);
break;
case 2: /* memory mapped output */
if (data != state->m_laser_latch)
{
logerror("bank #%d write to I/O [$%05X] $%02X\n", bank+1, offs, data);
/* Toggle between graphics and text modes? */
if ((data ^ state->m_laser_latch) & 0x01)
speaker_level_w(speaker, data & 1);
state->m_laser_latch = data;
}
break;
case 12: /* ext. ROM #1 */
case 13: /* ext. ROM #2 */
case 14: /* ext. ROM #3 */
case 15: /* ext. ROM #4 */
logerror("bank #%d write to ROM [$%05X] $%02X\n", bank+1, offs, data);
break;
default: /* RAM */
if( state->m_laser_bank[bank] == state->m_laser_video_bank && state->m_mem[offs] != data )
{
logerror("bank #%d write to videoram [$%05X] $%02X\n", bank+1, offs, data);
}
state->m_mem[offs] = data;
break;
}
}
void irisha_state::update_speaker()
{
int level = ((m_ppi_portc & 0x20) || (m_ppi_porta & 0x10) || !m_sg1_line) ? 1 : 0;
speaker_level_w(m_speaker, level);
}
void pc1512_state::update_speaker()
{
speaker_level_w(m_speaker, m_speaker_drive & m_pit2);
}
/*
port $F0: General Purpose output port
Bit 0 - cassette output
Bit 1 - cassette relay control; 0=relay on
Bit 2 - turns screen on and off;0=screen off
Bit 3 - Available for user projects [We will use it for sound]
Bit 4 - Available for user projects [We will use it for video switching]
Bit 5 - cassette LED; 0=LED on
Bit 6/7 - not decoded
*/
static WRITE8_HANDLER (super80_gpo_w)
{
speaker_level_w(0, (data & 0x08) ? 1 : 0);
charset = (data & 0x10) ? 1 : 0;
}
void tandy2k_state::speaker_update()
{
int level = !(m_spkrdata & m_outspkr);
speaker_level_w(m_speaker, level);
}
static WRITE_LINE_DEVICE_HANDLER(bm2_pit_out1)
{
b2m_state *st = device->machine().driver_data<b2m_state>();
speaker_level_w(st->m_speaker, state);
}