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igs_m027: move dsw read to correct function, use set_ioport instead of trampolines for ppi b/c

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hap 2024-08-30 11:01:25 +02:00
parent 7ae196d1cf
commit c11f2edf6a
1 changed files with 7 additions and 31 deletions
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38
src/mame/igs/igs_m027.cpp
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@ -47,8 +47,6 @@ public:
m_igs017_igs031(*this, "igs017_igs031"),
m_screen(*this, "screen"),
m_oki(*this, "oki"),
m_portb(*this, "PORTB"),
m_portc(*this, "PORTC"),
m_dsw(*this, "DSW%u", 1U)
{ }
@ -88,8 +86,6 @@ private:
required_device<igs017_igs031_device> m_igs017_igs031;
required_device<screen_device> m_screen;
required_device<okim6295_device> m_oki;
required_ioport m_portb;
required_ioport m_portc;
required_ioport_array<3> m_dsw;
u32 unk_r();
@ -100,8 +96,6 @@ private:
void dsw_io_select_w(u32 data);
u8 ppi_porta_r();
u8 ppi_portb_r();
u8 ppi_portc_r();
TIMER_DEVICE_CALLBACK_MEMBER(interrupt);
@ -372,23 +366,15 @@ TIMER_DEVICE_CALLBACK_MEMBER(igs_m027_state::interrupt)
u8 igs_m027_state::ppi_porta_r()
{
logerror("%s: ppi_porta_r\n", machine().describe_context());
return 0xff;
}
u8 data = 0xff;
u8 igs_m027_state::ppi_portb_r()
{
logerror("%s: ppi_portb_r\n", machine().describe_context());
return m_portb->read();
}
for (int i = 0; i < 3; i++)
if (!BIT(m_dsw_io_select, i))
data &= m_dsw[i]->read();
u8 igs_m027_state::ppi_portc_r()
{
logerror("%s: ppi_portc_r\n", machine().describe_context());
return m_portc->read();
return data;
}
void igs_m027_state::dsw_io_select_w(u32 data)
{
m_dsw_io_select = data;
@ -416,16 +402,6 @@ u32 igs_m027_state::unk2_r()
u32 igs_m027_state::lhdmg_unk2_r()
{
#if 0
u32 data = 0xffffffff;
for (int i = 0; i < 3; i++)
if (!BIT(m_dsw_io_select, i))
data &= m_dsw[i]->read() | 0xffffff00;
return data;
#endif
logerror("%s: lhdmg_unk2_r\n", machine().describe_context());
if (m_dsw_io_select & 1)
@ -462,8 +438,8 @@ void igs_m027_state::igs_mahjong(machine_config &config)
I8255A(config, m_ppi);
m_ppi->in_pa_callback().set(FUNC(igs_m027_state::ppi_porta_r));
m_ppi->in_pb_callback().set(FUNC(igs_m027_state::ppi_portb_r));
m_ppi->in_pc_callback().set(FUNC(igs_m027_state::ppi_portc_r));
m_ppi->in_pb_callback().set_ioport("PORTB");
m_ppi->in_pc_callback().set_ioport("PORTC");
IGS017_IGS031(config, m_igs017_igs031, 0);