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im01: add 7segs, sound, preliminary inputs

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hap 2021-11-29 01:35:45 +01:00
parent b8481e662b
commit f001fdc902
1 changed files with 115 additions and 8 deletions
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123
src/mame/drivers/im01.cpp
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@ -25,6 +25,10 @@ TODO:
#include "emu.h"
#include "cpu/t11/t11.h"
#include "sound/dac.h"
#include "video/pwm.h"
#include "speaker.h"
namespace {
@ -34,31 +38,44 @@ class im01_state : public driver_device
public:
im01_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu")
m_maincpu(*this, "maincpu"),
m_display(*this, "display"),
m_dac(*this, "dac"),
m_inputs(*this, "IN.%u", 0)
{ }
void im01(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
private:
required_device<t11_device> m_maincpu;
required_device<pwm_display_device> m_display;
required_device<dac_bit_interface> m_dac;
required_ioport_array<6> m_inputs;
void main_map(address_map &map);
u8 irq_callback(offs_t offset);
INTERRUPT_GEN_MEMBER(interrupt);
void update_display();
u16 mux_r(offs_t offset, u16 mem_mask);
void mux_w(offs_t offset, u16 data, u16 mem_mask);
u16 digit_r(offs_t offset, u16 mem_mask);
void digit_w(offs_t offset, u16 data, u16 mem_mask);
u16 input_r(offs_t offset, u16 mem_mask);
u16 m_inp_mux = 0;
u16 m_digit_data = 0;
};
void im01_state::machine_start()
{
}
void im01_state::machine_reset()
{
m_maincpu->set_input_line(t11_device::VEC_LINE, ASSERT_LINE);
// register for savestates
save_item(NAME(m_inp_mux));
save_item(NAME(m_digit_data));
}
@ -89,6 +106,50 @@ INTERRUPT_GEN_MEMBER(im01_state::interrupt)
I/O
******************************************************************************/
void im01_state::update_display()
{
m_display->matrix(m_inp_mux, bitswap<8>(m_digit_data,0,1,2,3,4,5,6,7));
}
u16 im01_state::mux_r(offs_t offset, u16 mem_mask)
{
return m_inp_mux;
}
void im01_state::mux_w(offs_t offset, u16 data, u16 mem_mask)
{
// d0-d5: input mux
COMBINE_DATA(&m_inp_mux);
update_display();
// d7: speaker out
m_dac->write(BIT(m_inp_mux, 7));
}
u16 im01_state::digit_r(offs_t offset, u16 mem_mask)
{
return m_digit_data;
}
void im01_state::digit_w(offs_t offset, u16 data, u16 mem_mask)
{
// d0-d7: digit segment data
COMBINE_DATA(&m_digit_data);
update_display();
}
u16 im01_state::input_r(offs_t offset, u16 mem_mask)
{
u16 data = 0;
// d8-d11: multiplexed inputs
for (int i = 0; i < 6; i++)
if (BIT(m_inp_mux, i))
data |= m_inputs[i]->read();
return data << 8;
}
/******************************************************************************
@ -99,6 +160,9 @@ void im01_state::main_map(address_map &map)
{
map(0x0000, 0x0fff).ram();
map(0x2000, 0x5fff).rom();
map(0xe830, 0xe831).rw(FUNC(im01_state::mux_r), FUNC(im01_state::mux_w));
map(0xe83c, 0xe83d).rw(FUNC(im01_state::digit_r), FUNC(im01_state::digit_w));
map(0xe83e, 0xe83f).r(FUNC(im01_state::input_r));
}
@ -108,6 +172,41 @@ void im01_state::main_map(address_map &map)
******************************************************************************/
static INPUT_PORTS_START( im01 )
PORT_START("IN.0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) // d4 1311r
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) // c3
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) // b2
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) // a1 4342r
PORT_START("IN.1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_7) // verify?
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_8)
PORT_START("IN.2")
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) // enter
PORT_START("IN.3")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_T) // h8
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Y) // g7
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_U) // f6
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_I) // e5
PORT_START("IN.4")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_A)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_S)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_D)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_F)
PORT_START("IN.5")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_G)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_H)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_J)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_K) // lv
INPUT_PORTS_END
@ -123,7 +222,15 @@ void im01_state::im01(machine_config &config)
m_maincpu->set_initial_mode(3 << 13);
m_maincpu->set_addrmap(AS_PROGRAM, &im01_state::main_map);
m_maincpu->in_iack().set(FUNC(im01_state::irq_callback));
m_maincpu->set_periodic_int(FUNC(im01_state::interrupt), attotime::from_hz(50));
m_maincpu->set_periodic_int(FUNC(im01_state::interrupt), attotime::from_hz(200));
// video hardware
PWM_DISPLAY(config, m_display).set_size(5, 8);
m_display->set_segmask(0x1f, 0x7f);
// sound hardware
SPEAKER(config, "speaker").front_center();
DAC_1BIT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.25);
}