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ecbackg: add side panel buttons

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hap 2024-01-10 21:05:47 +01:00
parent 37ee5d2db3
commit fc6b4e3ec8
1 changed files with 45 additions and 23 deletions
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68
src/mame/saitek/ecbackg.cpp
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@ -7,7 +7,7 @@ Saitek Electronic Champion Backgammon
Hardware notes:
- PCB label: GT4-PE-009
- Hitachi HD6301Y0P @ ~xxx
- Hitachi HD6301Y0P @ ~4MHz (no XTAL)
- LCD with custom segments, 24 LEDs, piezo
TODO:
@ -52,9 +52,9 @@ private:
required_device<sensorboard_device> m_board;
required_device<pwm_display_device> m_display;
required_device<dac_bit_interface> m_dac;
required_ioport_array<2> m_inputs;
required_ioport_array<5> m_inputs;
u8 m_inp_mux = 0;
u8 m_but_mux = 0;
// I/O handlers
void p1_w(u8 data);
@ -70,7 +70,7 @@ private:
void ecbackg_state::machine_start()
{
// register for savestates
save_item(NAME(m_inp_mux));
save_item(NAME(m_but_mux));
}
@ -93,6 +93,8 @@ void ecbackg_state::p1_w(u8 data)
u8 ecbackg_state::p2_r()
{
// P24: P57
//printf("r2 ");
return 0xff;
}
@ -100,6 +102,9 @@ u8 ecbackg_state::p2_r()
void ecbackg_state::p2_w(u8 data)
{
//printf("w2_%X ",data);
// P23: speaker out
m_dac->write(BIT(data, 3));
}
void ecbackg_state::p3_w(u8 data)
@ -114,12 +119,22 @@ void ecbackg_state::p4_w(u8 data)
u8 ecbackg_state::p5_r()
{
//printf("r5 ");
return 0xff;
// P50-P57: multiplexed inputs
u8 data = 0;
// read buttons
for (int i = 0; i < 5; i++)
if (BIT(m_but_mux, i))
data |= m_inputs[i]->read();
return ~data;
}
void ecbackg_state::p6_w(u8 data)
{
// P60,P63-P66: button mux
m_but_mux = (~data >> 2 & 0x1e) | (~data & 1);
//printf("w6_%X ",data);
}
@ -136,24 +151,31 @@ void ecbackg_state::p7_w(u8 data)
static INPUT_PORTS_START( ecbackg )
PORT_START("IN.0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_7)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_8)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) // stats
PORT_START("IN.1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Q)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_W)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_E)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_R)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_T)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Y)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_U)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_I)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) // bear off
PORT_START("IN.2")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) // double
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) // reject
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5) // play
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6) // game option
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_7) // level
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_8) // take back
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_9) // verify
PORT_START("IN.3")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Q) // roll dice
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_W) // d1
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_E) // d2
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_R) // d3
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_T) // d4
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Y) // d5
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_U) // d6
PORT_START("IN.4")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_0) // new game
INPUT_PORTS_END
@ -165,7 +187,7 @@ INPUT_PORTS_END
void ecbackg_state::ecbackg(machine_config &config)
{
// basic machine hardware
HD6301Y0(config, m_maincpu, 8'000'000);
HD6301Y0(config, m_maincpu, 4'000'000); // approximation
m_maincpu->nvram_enable_backup(true);
m_maincpu->standby_cb().set(m_maincpu, FUNC(hd6301y0_cpu_device::nvram_set_battery));
m_maincpu->standby_cb().append([this](int state) { if (state) m_display->clear(); });