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mc1502: re-add speaker output

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This commit is contained in:
Sergey Svishchev 2014-11-06 00:02:03 +03:00
parent ed7a82401c
commit e6325e8c31
2 changed files with 17 additions and 6 deletions
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16
src/mess/drivers/mc1502.c
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@ -76,7 +76,7 @@ WRITE8_MEMBER(mc1502_state::mc1502_ppi_portb_w)
// DBG_LOG(2,"mc1502_ppi_portb_w",("( %02X )\n", data)); // DBG_LOG(2,"mc1502_ppi_portb_w",("( %02X )\n", data));
m_ppi_portb = data; m_ppi_portb = data;
m_pit8253->write_gate2(BIT(data, 0)); m_pit8253->write_gate2(BIT(data, 0));
// mc1502_speaker_set_spkrdata(BIT(data, 1)); mc1502_speaker_set_spkrdata(BIT(data, 1));
m_centronics->write_strobe(BIT(data, 2)); m_centronics->write_strobe(BIT(data, 2));
m_centronics->write_autofd(BIT(data, 3)); m_centronics->write_autofd(BIT(data, 3));
m_centronics->write_init(BIT(data, 4)); m_centronics->write_init(BIT(data, 4));
@ -163,10 +163,16 @@ WRITE_LINE_MEMBER(mc1502_state::mc1502_pit8253_out1_changed)
WRITE_LINE_MEMBER(mc1502_state::mc1502_pit8253_out2_changed) WRITE_LINE_MEMBER(mc1502_state::mc1502_pit8253_out2_changed)
{ {
m_pit_out2 = state; m_pit_out2 = state;
// mc1502_speaker_set_input( state ); m_speaker->level_w(m_spkrdata & m_pit_out2);
m_cassette->output(state ? 1 : -1); m_cassette->output(state ? 1 : -1);
} }
WRITE_LINE_MEMBER(mc1502_state::mc1502_speaker_set_spkrdata)
{
m_spkrdata = state ? 1 : 0;
m_speaker->level_w(m_spkrdata & m_pit_out2);
}
DRIVER_INIT_MEMBER( mc1502_state, mc1502 ) DRIVER_INIT_MEMBER( mc1502_state, mc1502 )
{ {
address_space &program = m_maincpu->space(AS_PROGRAM); address_space &program = m_maincpu->space(AS_PROGRAM);
@ -197,6 +203,12 @@ MACHINE_START_MEMBER( mc1502_state, mc1502 )
MACHINE_RESET_MEMBER( mc1502_state, mc1502 ) MACHINE_RESET_MEMBER( mc1502_state, mc1502 )
{ {
DBG_LOG(0,"init",("machine_reset()\n")); DBG_LOG(0,"init",("machine_reset()\n"));
m_spkrdata = 0;
m_pit_out2 = 1;
m_ppi_portb = 0;
m_ppi_portc = 0;
m_speaker->level_w(0);
} }
/* /*

7
src/mess/includes/mc1502.h
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@ -59,10 +59,9 @@ public:
emu_timer *keyb_signal_timer; emu_timer *keyb_signal_timer;
} m_kbd; } m_kbd;
UINT8 m_ppi_portb; UINT8 m_ppi_portb;
UINT8 m_ppi_portc; UINT8 m_ppi_portc;
UINT8 m_mc1502_spkrdata; UINT8 m_spkrdata;
UINT8 m_mc1502_input;
DECLARE_WRITE_LINE_MEMBER(mc1502_pit8253_out1_changed); DECLARE_WRITE_LINE_MEMBER(mc1502_pit8253_out1_changed);
DECLARE_WRITE_LINE_MEMBER(mc1502_pit8253_out2_changed); DECLARE_WRITE_LINE_MEMBER(mc1502_pit8253_out2_changed);