// license:BSD-3-Clause // copyright-holders:Mike Balfour, Patrick Lawrence, Brad Oliver /************************************************************************* Atari Football hardware *************************************************************************/ #include "emu.h" #include "includes/atarifb.h" #include "sound/discrete.h" /************************************* * * Output ports * *************************************/ void atarifb_state::atarifb_out1_w(uint8_t data) { m_ctrld = data; m_discrete->write(ATARIFB_WHISTLE_EN, data & 0x01); // Whistle m_discrete->write(ATARIFB_HIT_EN, data & 0x02); // Hit m_discrete->write(ATARIFB_ATTRACT_EN, data & 0x10); // Attract m_discrete->write(ATARIFB_NOISE_EN, data & 0x04); // Noise Enable / Kicker } void atarifb_state::atarifb4_out1_w(uint8_t data) { m_ctrld = data; m_discrete->write(ATARIFB_WHISTLE_EN, data & 0x01); // Whistle m_discrete->write(ATARIFB_HIT_EN, data & 0x02); // Hit m_discrete->write(ATARIFB_ATTRACT_EN, data & 0x10); // Attract m_discrete->write(ATARIFB_NOISE_EN, data & 0x04); // Noise Enable / Kicker machine().bookkeeping().coin_counter_w(1, data & 0x80); } void atarifb_state::abaseb_out1_w(uint8_t data) { m_ctrld = data; m_discrete->write(ATARIFB_WHISTLE_EN, data & 0x01); // Whistle m_discrete->write(ATARIFB_HIT_EN, data & 0x02); // Hit m_discrete->write(ATARIFB_ATTRACT_EN, data & 0x10); // Attract m_discrete->write(ATARIFB_NOISE_EN, data & 0x04); // Noise Enable / Kicker // Invert Video m_palette->set_pen_color(BIT(data, 7) ^ 0, rgb_t::white()); m_palette->set_pen_color(BIT(data, 7) ^ 1, rgb_t::black()); } void atarifb_state::soccer_out1_w(uint8_t data) { m_ctrld = data; /* bit 0 = whistle */ /* bit 1 = hit */ /* bit 2 = kicker */ /* bit 3 = unused */ /* bit 4 = 2/4 Player LED */ /* bit 5-6 = trackball CTRL bits */ /* bit 7 = Rule LED */ m_discrete->write(ATARIFB_WHISTLE_EN, data & 0x01); // Whistle m_discrete->write(ATARIFB_HIT_EN, data & 0x02); // Hit m_discrete->write(ATARIFB_ATTRACT_EN, data & 0x10); // Attract m_discrete->write(ATARIFB_NOISE_EN, data & 0x04); // Noise Enable / Kicker m_leds[0] = BIT(data, 4); m_leds[1] = BIT(data, 7); } void atarifb_state::atarifb_out2_w(uint8_t data) { m_discrete->write(ATARIFB_CROWD_DATA, data & 0x0f); // Crowd machine().bookkeeping().coin_counter_w(0, data & 0x10); } void atarifb_state::soccer_out2_w(uint8_t data) { m_discrete->write(ATARIFB_CROWD_DATA, data & 0x0f); // Crowd machine().bookkeeping().coin_counter_w(0, data & 0x10); machine().bookkeeping().coin_counter_w(1, data & 0x20); machine().bookkeeping().coin_counter_w(2, data & 0x40); } void atarifb_state::atarifb_out3_w(uint8_t data) { // 64V and 128V to 7442 to LED anodes (output 0 unused) int led_select = m_screen->vpos() >> 6 & 3; // bit 0-3 = LED cathodes // bit 4 = atarifb4 4-player LED m_led_pwm->matrix((1 << led_select) >> 1, data & 0xf); m_leds[0] = BIT(data, 4); } /************************************* * * Input ports * *************************************/ uint8_t atarifb_state::atarifb_in0_r() { if ((m_ctrld & 0x20) == 0x00) { int val; val = (m_sign_y_2 >> 7) | (m_sign_x_2 >> 6) | (m_sign_y_1 >> 5) | (m_sign_x_1 >> 4) | ioport("IN0")->read(); return val; } else { int new_x, new_y; /* Read player 1 trackball */ new_x = ioport("IN3")->read(); if (new_x != m_counter_x_in0) { m_sign_x_1 = (new_x - m_counter_x_in0) & 0x80; m_counter_x_in0 = new_x; } new_y = ioport("IN2")->read(); if (new_y != m_counter_y_in0) { m_sign_y_1 = (new_y - m_counter_y_in0) & 0x80; m_counter_y_in0 = new_y; } return (((m_counter_y_in0 & 0x0f) << 4) | (m_counter_x_in0 & 0x0f)); } } uint8_t atarifb_state::atarifb_in2_r() { if ((m_ctrld & 0x20) == 0x00) { return ioport("IN1")->read(); } else { int new_x, new_y; /* Read player 2 trackball */ new_x = ioport("IN5")->read(); if (new_x != m_counter_x_in2) { m_sign_x_2 = (new_x - m_counter_x_in2) & 0x80; m_counter_x_in2 = new_x; } new_y = ioport("IN4")->read(); if (new_y != m_counter_y_in2) { m_sign_y_2 = (new_y - m_counter_y_in2) & 0x80; m_counter_y_in2 = new_y; } return (((m_counter_y_in2 & 0x0f) << 4) | (m_counter_x_in2 & 0x0f)); } } uint8_t atarifb_state::atarifb4_in0_r() { /* LD1 and LD2 low, return sign bits */ if ((m_ctrld & 0x60) == 0x00) { int val; val = (m_sign_x_4 >> 7) | (m_sign_y_4 >> 6) | (m_sign_x_2 >> 5) | (m_sign_y_2 >> 4) | (m_sign_x_3 >> 3) | (m_sign_y_3 >> 2) | (m_sign_x_1 >> 1) | (m_sign_y_1 >> 0); return val; } else if ((m_ctrld & 0x60) == 0x60) /* LD1 and LD2 both high, return Team 1 right player (player 1) */ { int new_x, new_y; /* Read player 1 trackball */ new_x = ioport("IN3")->read(); if (new_x != m_counter_x_in0) { m_sign_x_1 = (new_x - m_counter_x_in0) & 0x80; m_counter_x_in0 = new_x; } new_y = ioport("IN2")->read(); if (new_y != m_counter_y_in0) { m_sign_y_1 = (new_y - m_counter_y_in0) & 0x80; m_counter_y_in0 = new_y; } return (((m_counter_y_in0 & 0x0f) << 4) | (m_counter_x_in0 & 0x0f)); } else if ((m_ctrld & 0x60) == 0x40) /* LD1 high, LD2 low, return Team 1 left player (player 2) */ { int new_x, new_y; /* Read player 2 trackball */ new_x = ioport("IN5")->read(); if (new_x != m_counter_x_in0b) { m_sign_x_2 = (new_x - m_counter_x_in0b) & 0x80; m_counter_x_in0b = new_x; } new_y = ioport("IN4")->read(); if (new_y != m_counter_y_in0b) { m_sign_y_2 = (new_y - m_counter_y_in0b) & 0x80; m_counter_y_in0b = new_y; } return (((m_counter_y_in0b & 0x0f) << 4) | (m_counter_x_in0b & 0x0f)); } else return 0; } uint8_t atarifb_state::atarifb4_in2_r() { if ((m_ctrld & 0x40) == 0x00) { return ioport("IN1")->read(); } else if ((m_ctrld & 0x60) == 0x60) /* LD1 and LD2 both high, return Team 2 right player (player 3) */ { int new_x, new_y; /* Read player 3 trackball */ new_x = ioport("IN7")->read(); if (new_x != m_counter_x_in2) { m_sign_x_3 = (new_x - m_counter_x_in2) & 0x80; m_counter_x_in2 = new_x; } new_y = ioport("IN6")->read(); if (new_y != m_counter_y_in2) { m_sign_y_3 = (new_y - m_counter_y_in2) & 0x80; m_counter_y_in2 = new_y; } return (((m_counter_y_in2 & 0x0f) << 4) | (m_counter_x_in2 & 0x0f)); } else if ((m_ctrld & 0x60) == 0x40) /* LD1 high, LD2 low, return Team 2 left player (player 4) */ { int new_x, new_y; /* Read player 4 trackball */ new_x = ioport("IN9")->read(); if (new_x != m_counter_x_in2b) { m_sign_x_4 = (new_x - m_counter_x_in2b) & 0x80; m_counter_x_in2b = new_x; } new_y = ioport("IN8")->read(); if (new_y != m_counter_y_in2b) { m_sign_y_4 = (new_y - m_counter_y_in2b) & 0x80; m_counter_y_in2b = new_y; } return (((m_counter_y_in2b & 0x0f) << 4) | (m_counter_x_in2b & 0x0f)); } else return 0; }