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battlera: combined input ports

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hap 2024-11-03 20:43:10 +01:00
parent 68c049b67d
commit b0a3548a5e
2 changed files with 12 additions and 17 deletions
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28
src/mame/dataeast/battlera.cpp
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@ -118,8 +118,7 @@ public:
, m_screen(*this, "screen")
, m_huc6260(*this, "huc6260")
, m_soundlatch(*this, "soundlatch")
, m_in(*this, "IN%u", 0U)
, m_dsw(*this, "DSW%u", 1U)
, m_inputs(*this, { "IN0", "IN1", "IN2", "DSW2", "DSW1" })
{ }
void battlera(machine_config &config);
@ -135,11 +134,10 @@ private:
required_device<screen_device> m_screen;
required_device<huc6260_device> m_huc6260;
required_device<generic_latch_8_device> m_soundlatch;
required_ioport_array<3> m_in;
required_ioport_array<2> m_dsw;
required_ioport_array<5> m_inputs;
uint8_t m_control_port_select = 0;
int m_msm5205next = 0;
uint8_t m_msm5205next = 0;
uint8_t m_toggle = 0;
void control_data_w(uint8_t data);
@ -165,7 +163,7 @@ void battlera_state::machine_start()
void battlera_state::machine_reset()
{
m_control_port_select = 0;
m_control_port_select = 0xff;
m_msm5205next = 0;
m_toggle = 0;
}
@ -179,16 +177,13 @@ void battlera_state::control_data_w(uint8_t data)
uint8_t battlera_state::control_data_r()
{
switch (m_control_port_select)
{
case 0xfe: return m_in[0]->read(); // Player
case 0xfd: return m_in[1]->read(); // Player
case 0xfb: return m_in[2]->read(); // Coins
case 0xf7: return m_dsw[1]->read(); // Dip 2
case 0xef: return m_dsw[0]->read(); // Dip 1
}
uint8_t data = 0xff;
return 0xff;
for (int i = 0; i < 5; i++)
if (!BIT(m_control_port_select, i))
data &= m_inputs[i]->read();
return data;
}
/******************************************************************************/
@ -210,13 +205,12 @@ void battlera_state::main_portmap(address_map &map)
/******************************************************************************/
void battlera_state::adpcm_int(int state)
{
m_msm->data_w(m_msm5205next >> 4);
m_msm5205next <<= 4;
m_toggle = 1 - m_toggle;
m_toggle ^= 1;
if (m_toggle)
m_audiocpu->set_input_line(1, HOLD_LINE);
}

1
src/mame/layout/gridiron.lay
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@ -1,6 +1,7 @@
<?xml version="1.0"?>
<!--
license:CC0-1.0
authors:hap
-->
<mamelayout version="2">