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https://github.com/holub/mame
synced 2025-04-22 16:31:49 +03:00
ecbackg: preliminary board read and lcd outputs
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hap
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31639173da
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1ecd686c6f
@ -104,8 +104,8 @@ u8 dsc_state::read_board_row(u8 row)
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{
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u8 data = 0;
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// inputs to sensorboard translation table
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static const u8 lut_i2sb[64] =
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// inputs to sensorboard translation table (0xff is invalid)
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static const u8 lut_board[64] =
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{
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0x00, 0x50, 0x60, 0x70, 0x40, 0x30, 0x20, 0x10,
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0x01, 0x51, 0x61, 0x71, 0x41, 0x31, 0x21, 0x11,
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@ -119,7 +119,7 @@ u8 dsc_state::read_board_row(u8 row)
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for (int i = 0; i < 8; i++)
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{
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u8 pos = lut_i2sb[row * 8 + i];
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u8 pos = lut_board[row * 8 + i];
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data = data << 1 | m_board->read_sensor(pos & 0xf, pos >> 4);
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}
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@ -16,7 +16,7 @@ Hardware notes:
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TODO:
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- if/when MAME supports an exit callback, hook up power-off switch to that
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- sensorboard, lcd, internal artwork
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- finish sensorboard handling, finish lcd(svg), internal artwork
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*******************************************************************************/
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@ -41,9 +41,11 @@ public:
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driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_board(*this, "board"),
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m_display(*this, "display"),
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m_lcd_pwm(*this, "lcd_pwm"),
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m_led_pwm(*this, "led_pwm"),
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m_dac(*this, "dac"),
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m_inputs(*this, "IN.%u", 0)
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m_inputs(*this, "IN.%u", 0),
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m_out_lcd(*this, "s%u.%u", 0U, 0U)
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{ }
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void ecbackg(machine_config &config);
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@ -58,95 +60,164 @@ private:
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// devices/pointers
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required_device<hd6301y0_cpu_device> m_maincpu;
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required_device<sensorboard_device> m_board;
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required_device<pwm_display_device> m_display;
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required_device<pwm_display_device> m_lcd_pwm;
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required_device<pwm_display_device> m_led_pwm;
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required_device<dac_bit_interface> m_dac;
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required_ioport_array<5> m_inputs;
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output_finder<2, 24> m_out_lcd;
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bool m_power = false;
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u8 m_inp_mux = 0;
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void init_board(int state);
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u32 m_lcd_segs = 0;
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u8 m_lcd_com[2] = { };
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// I/O handlers
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void p1_w(u8 data);
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void init_board(int state);
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u8 board_r(u8 row);
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void standby(int state);
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void lcd_pwm_w(offs_t offset, u8 data);
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void update_lcd();
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template <int N> void lcd_segs_w(u8 data);
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void lcd_com_w(u8 data);
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u8 p2_r();
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void p2_w(u8 data);
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void p3_w(u8 data);
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void p4_w(u8 data);
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u8 p5_r();
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void p6_w(u8 data);
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void p7_w(u8 data);
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};
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void ecbackg_state::machine_start()
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{
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m_out_lcd.resolve();
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// register for savestates
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save_item(NAME(m_power));
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save_item(NAME(m_inp_mux));
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save_item(NAME(m_lcd_segs));
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save_item(NAME(m_lcd_com));
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}
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/*******************************************************************************
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Sensorboard
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*******************************************************************************/
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void ecbackg_state::init_board(int state)
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{
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}
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u8 ecbackg_state::board_r(u8 row)
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{
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u8 data = 0;
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// inputs to sensorboard translation table (0xff is invalid)
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static const u8 lut_board[4*7] =
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{
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0xff, 0x1b, 0x19, 0x17, 0x07, 0x09, 0x0b,
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0x0c, 0x1a, 0x18, 0x16, 0x06, 0x08, 0x0a,
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0x1c, 0x15, 0x13, 0x11, 0x01, 0x03, 0x05,
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0xff, 0x14, 0x12, 0x10, 0x00, 0x02, 0x04
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};
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for (int i = 0; i < 7; i++)
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{
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const u8 pos = lut_board[row * 7 + i];
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const u8 x = pos & 0xf;
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const u8 y = pos >> 4;
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// 5 rows per button
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int state = 0;
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for (int j = 0; j < 5; j++)
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state |= m_board->read_sensor(x, y * 5 + j);
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data = data << 1 | state;
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}
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return data;
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}
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/*******************************************************************************
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I/O
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*******************************************************************************/
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// power
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INPUT_CHANGED_MEMBER(ecbackg_state::power_off)
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{
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if (newval)
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m_power = false;
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}
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/*******************************************************************************
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I/O
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*******************************************************************************/
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//[:maincpu] Port 5 Data Direction Register: 00
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//[:maincpu] Port 6 Data Direction Register: ff
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//[:maincpu] Port 2 Data Direction Register: 2f
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//[:maincpu] Port 1 Data Direction Register: ff
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//[:maincpu] Port 3 Data Direction Register: ff
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//[:maincpu] Port 4 Data Direction Register: ff
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void ecbackg_state::p1_w(u8 data)
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void ecbackg_state::standby(int state)
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{
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//printf("w1_%X ",data);
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// clear display
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if (state)
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{
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m_lcd_pwm->clear();
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m_led_pwm->clear();
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}
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}
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// LCD
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void ecbackg_state::lcd_pwm_w(offs_t offset, u8 data)
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{
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m_out_lcd[offset & 0x3f][offset >> 6] = data;
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}
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void ecbackg_state::update_lcd()
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{
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}
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template <int N>
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void ecbackg_state::lcd_segs_w(u8 data)
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{
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// P1x, P3x, P4x: LCD segments
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const u8 shift = 8 * N;
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const u32 mask = 0xff << shift;
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m_lcd_segs = (m_lcd_segs & ~mask) | (data << shift);
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update_lcd();
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}
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void ecbackg_state::lcd_com_w(u8 data)
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{
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// P70/P71,P72/P73: LCD common (voltage level)
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m_lcd_com[0] = population_count_32(data & 3);
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m_lcd_com[1] = population_count_32(data & 0xc);
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update_lcd();
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}
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// misc
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u8 ecbackg_state::p2_r()
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{
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//printf("r2 ");
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// P27: power switch state
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u8 data = m_power ? 0 : 0x80;
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// P24: P57
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// P24: P57 (unused)
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data |= ~p5_r() >> 3 & 0x10;
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return ~data;
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}
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void ecbackg_state::p2_w(u8 data)
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{
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//printf("w2_%X ",data);
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// P20-P22: led select
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m_display->write_my(~data & 7);
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m_led_pwm->write_my(data & 7);
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// P23: speaker out
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m_dac->write(BIT(data, 3));
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}
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void ecbackg_state::p3_w(u8 data)
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{
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//printf("w3_%X ",data);
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}
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void ecbackg_state::p4_w(u8 data)
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{
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//printf("w4_%X ",data);
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}
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u8 ecbackg_state::p5_r()
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{
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// P50-P57: multiplexed inputs
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// P50-P56: multiplexed inputs
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u8 data = 0;
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// read buttons
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@ -154,6 +225,11 @@ u8 ecbackg_state::p5_r()
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if (BIT(bitswap<5>(m_inp_mux,6,5,4,3,0), i))
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data |= m_inputs[i]->read();
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// read board
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for (int i = 0; i < 4; i++)
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if (BIT(m_inp_mux, i))
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data |= board_r(i);
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return ~data;
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}
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@ -161,14 +237,7 @@ void ecbackg_state::p6_w(u8 data)
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{
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// P60-P67: input mux, led data
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m_inp_mux = ~data;
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m_display->write_mx(~data);
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//printf("w6_%X ",data);
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}
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void ecbackg_state::p7_w(u8 data)
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{
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//printf("w7_%X ",data);
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m_led_pwm->write_mx(~data);
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}
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@ -221,15 +290,15 @@ void ecbackg_state::ecbackg(machine_config &config)
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HD6301Y0(config, m_maincpu, 4'000'000); // approximation
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m_maincpu->nvram_enable_backup(true);
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m_maincpu->standby_cb().set(m_maincpu, FUNC(hd6301y0_cpu_device::nvram_set_battery));
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m_maincpu->standby_cb().append([this](int state) { if (state) m_display->clear(); });
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m_maincpu->out_p1_cb().set(FUNC(ecbackg_state::p1_w));
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m_maincpu->standby_cb().append(FUNC(ecbackg_state::standby));
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m_maincpu->out_p1_cb().set(FUNC(ecbackg_state::lcd_segs_w<0>));
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m_maincpu->in_p2_cb().set(FUNC(ecbackg_state::p2_r));
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m_maincpu->out_p2_cb().set(FUNC(ecbackg_state::p2_w));
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m_maincpu->out_p3_cb().set(FUNC(ecbackg_state::p3_w));
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m_maincpu->out_p4_cb().set(FUNC(ecbackg_state::p4_w));
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m_maincpu->out_p3_cb().set(FUNC(ecbackg_state::lcd_segs_w<1>));
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m_maincpu->out_p4_cb().set(FUNC(ecbackg_state::lcd_segs_w<2>));
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m_maincpu->in_p5_cb().set(FUNC(ecbackg_state::p5_r));
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m_maincpu->out_p6_cb().set(FUNC(ecbackg_state::p6_w));
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m_maincpu->out_p7_cb().set(FUNC(ecbackg_state::p7_w));
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m_maincpu->out_p7_cb().set(FUNC(ecbackg_state::lcd_com_w));
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SENSORBOARD(config, m_board).set_type(sensorboard_device::BUTTONS);
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m_board->init_cb().set(FUNC(ecbackg_state::init_board));
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@ -239,7 +308,10 @@ void ecbackg_state::ecbackg(machine_config &config)
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m_board->set_nvram_enable(true);
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// video hardware
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PWM_DISPLAY(config, m_display).set_size(3, 8);
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PWM_DISPLAY(config, m_lcd_pwm).set_size(2, 24);
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m_lcd_pwm->output_x().set(FUNC(ecbackg_state::lcd_pwm_w));
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PWM_DISPLAY(config, m_led_pwm).set_size(3, 8);
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//config.set_default_layout(layout_saitek_ecbackg);
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// sound hardware
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