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reduced the number of callers to set_a_input by calling porta_w & made the WRITE8_HANDLER call that as well, instead of the other way round and having to lookup an address space that is never used [smf]

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This commit is contained in:
smf- 2014-01-06 20:03:09 +00:00
parent 2211539e88
commit 5ea7118892
5 changed files with 10 additions and 10 deletions
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4
src/emu/machine/6821pia.c
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@ -906,7 +906,7 @@ void pia6821_device::set_a_input(UINT8 data, UINT8 z_mask)
// pia6821_porta_w
//-------------------------------------------------
WRITE8_MEMBER( pia6821_device::porta_w )
void pia6821_device::porta_w(UINT8 data)
{
set_a_input(data, 0);
}
@ -1013,7 +1013,7 @@ int pia6821_device::ca2_output_z()
// portb_w
//-------------------------------------------------
WRITE8_MEMBER( pia6821_device::portb_w )
void pia6821_device::portb_w(UINT8 data)
{
assert_always(m_in_b_handler.isnull(), "pia_set_input_b() called when in_b_func implemented");

8
src/emu/machine/6821pia.h
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@ -103,8 +103,8 @@ public:
UINT8 port_b_z_mask() const { return ~m_ddr_b; } // see first note in .c
void set_port_a_z_mask(UINT8 data) { m_port_a_z_mask = data; }// see second note in .c
DECLARE_WRITE8_MEMBER( porta_w );
void porta_w(UINT8 data) { porta_w(machine().driver_data()->generic_space(), 0, data); }
DECLARE_WRITE8_MEMBER( porta_w ) { porta_w(data); }
void porta_w(UINT8 data);
void set_a_input(UINT8 data, UINT8 z_mask);
UINT8 a_output();
@ -114,8 +114,8 @@ public:
int ca2_output();
int ca2_output_z();
DECLARE_WRITE8_MEMBER( portb_w );
void portb_w(UINT8 data) { portb_w(machine().driver_data()->generic_space(), 0, data); }
DECLARE_WRITE8_MEMBER( portb_w ) { portb_w(data); }
void portb_w(UINT8 data);
UINT8 b_output();
DECLARE_WRITE_LINE_MEMBER( cb1_w );

4
src/mame/audio/exidy.c
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@ -889,7 +889,7 @@ READ8_MEMBER( victory_sound_device::status_r )
TIMER_CALLBACK_MEMBER( victory_sound_device::delayed_command_w )
{
m_pia1->set_a_input(param, 0);
m_pia1->porta_w(param);
m_pia1_ca1 = 0;
m_pia1->ca1_w(m_pia1_ca1);
}
@ -993,7 +993,7 @@ void victory_sound_device::device_reset()
/* these two lines shouldn't be needed, but it avoids the log entry
as the sound CPU checks port A before the main CPU ever writes to it */
m_pia1->set_a_input(0, 0);
m_pia1->porta_w(0);
m_pia1_ca1 = 1;
m_pia1->ca1_w(m_pia1_ca1);
}

2
src/mame/audio/spiders.c
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@ -175,7 +175,7 @@ DISCRETE_SOUND_END
WRITE8_MEMBER(spiders_state::spiders_audio_command_w)
{
pia6821_device *pia = downcast<pia6821_device *>(machine().device("pia4"));
pia->set_a_input(data & 0xf8, 0);
pia->porta_w(data & 0xf8);
pia->ca1_w(data & 0x80 ? 1 : 0);
}

2
src/mame/drivers/toratora.c
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@ -170,7 +170,7 @@ INTERRUPT_GEN_MEMBER(toratora_state::toratora_timer)
m_last = ioport("INPUT")->read() & 0x0f;
generic_pulse_irq_line(device.execute(), 0, 1);
}
m_pia_u1->set_a_input(ioport("INPUT")->read() & 0x0f, 0);
m_pia_u1->porta_w(ioport("INPUT")->read() & 0x0f);
m_pia_u1->ca1_w(ioport("INPUT")->read() & 0x10);
m_pia_u1->ca2_w(ioport("INPUT")->read() & 0x20);
}