diff options
Diffstat (limited to 'src/mame/drivers/odyssey2.cpp')
-rw-r--r-- | src/mame/drivers/odyssey2.cpp | 895 |
1 files changed, 0 insertions, 895 deletions
diff --git a/src/mame/drivers/odyssey2.cpp b/src/mame/drivers/odyssey2.cpp deleted file mode 100644 index 12f8bfd084a..00000000000 --- a/src/mame/drivers/odyssey2.cpp +++ /dev/null @@ -1,895 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Wilbert Pol -/*************************************************************************** - - /drivers/odyssey2.c - - Driver file to handle emulation of the Odyssey2. - - Minor update to "the voice" rom names, and add comment about - the older revision of "the voice" - LN, 10/03/08 - -***************************************************************************/ - -#include "emu.h" - -#include "cpu/mcs48/mcs48.h" -#include "machine/i8243.h" -#include "video/ef9340_1.h" -#include "video/i8244.h" - -#include "bus/odyssey2/slot.h" - -#include "emupal.h" -#include "screen.h" -#include "softlist.h" -#include "speaker.h" - - -class odyssey2_state : public driver_device -{ -public: - odyssey2_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_i8244(*this, "i8244"), - m_cart(*this, "cartslot"), - m_keyboard(*this, "KEY.%u", 0), - m_joysticks(*this, "JOY.%u", 0) - { } - - void odyssey2_cartslot(machine_config &config); - void videopac(machine_config &config); - void odyssey2(machine_config &config); - - void init_odyssey2(); - - uint32_t screen_update_odyssey2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - -protected: - - required_device<i8048_device> m_maincpu; - required_device<i8244_device> m_i8244; - required_device<o2_cart_slot_device> m_cart; - - uint8_t m_ram[256]; - uint8_t m_p1; - uint8_t m_p2; - uint8_t m_lum; - - - DECLARE_READ_LINE_MEMBER(t1_read); - void odyssey2_palette(palette_device &palette) const; - - DECLARE_WRITE16_MEMBER(scanline_postprocess); - - void odyssey2_io(address_map &map); - void odyssey2_mem(address_map &map); - - virtual void machine_start() override; - virtual void machine_reset() override; - - /* constants */ - static const uint8_t P1_BANK_LO_BIT = 0x01; - static const uint8_t P1_BANK_HI_BIT = 0x02; - static const uint8_t P1_KEYBOARD_SCAN_ENABLE = 0x04; /* active low */ - static const uint8_t P1_VDC_ENABLE = 0x08; /* active low */ - static const uint8_t P1_EXT_RAM_ENABLE = 0x10; /* active low */ - static const uint8_t P1_VPP_ENABLE = 0x20; /* active low */ - static const uint8_t P1_VDC_COPY_MODE_ENABLE = 0x40; - static const uint8_t P2_KEYBOARD_SELECT_MASK = 0x07; /* select row to scan */ - - required_ioport_array<6> m_keyboard; - required_ioport_array<2> m_joysticks; - - DECLARE_READ8_MEMBER(io_read); - DECLARE_WRITE8_MEMBER(io_write); - DECLARE_READ8_MEMBER(bus_read); - DECLARE_WRITE8_MEMBER(bus_write); - DECLARE_READ8_MEMBER(p1_read); - DECLARE_WRITE8_MEMBER(p1_write); - DECLARE_READ8_MEMBER(p2_read); - DECLARE_WRITE8_MEMBER(p2_write); -}; - -class g7400_state : public odyssey2_state -{ -public: - g7400_state(const machine_config &mconfig, device_type type, const char *tag) - : odyssey2_state(mconfig, type, tag) - , m_i8243(*this, "i8243") - , m_ef9340_1(*this, "ef9340_1") - { } - - void g7400(machine_config &config); - void odyssey3(machine_config &config); - -private: - required_device<i8243_device> m_i8243; - required_device<ef9340_1_device> m_ef9340_1; - - void g7400_palette(palette_device &palette) const; - virtual void machine_start() override; - virtual void machine_reset() override; - DECLARE_WRITE8_MEMBER(p2_write); - DECLARE_READ8_MEMBER(io_read); - DECLARE_WRITE8_MEMBER(io_write); - void i8243_p4_w(uint8_t data); - void i8243_p5_w(uint8_t data); - void i8243_p6_w(uint8_t data); - void i8243_p7_w(uint8_t data); - DECLARE_WRITE16_MEMBER(scanline_postprocess); - - void g7400_io(address_map &map); - - uint8_t m_ic674_decode[8]; - uint8_t m_ic678_decode[8]; -}; - - -void odyssey2_state::odyssey2_mem(address_map &map) -{ - map(0x0000, 0x03ff).rom(); - map(0x0400, 0x0bff).r(m_cart, FUNC(o2_cart_slot_device::read_rom04)); - map(0x0c00, 0x0fff).r(m_cart, FUNC(o2_cart_slot_device::read_rom0c)); -} - - -void odyssey2_state::odyssey2_io(address_map &map) -{ - map(0x00, 0xff).rw(FUNC(odyssey2_state::io_read), FUNC(odyssey2_state::io_write)); -} - - -void g7400_state::g7400_io(address_map &map) -{ - map(0x00, 0xff).rw(FUNC(g7400_state::io_read), FUNC(g7400_state::io_write)); -} - - -static INPUT_PORTS_START( odyssey2 ) - PORT_START("KEY.0") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') - - PORT_START("KEY.1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("?? :") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("?? $") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('?') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('L') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('P') - - PORT_START("KEY.2") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR('+') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('W') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('R') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('T') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('U') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('I') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('O') - - PORT_START("KEY.3") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('G') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('H') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('K') - - PORT_START("KEY.4") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('V') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('M') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') - - PORT_START("KEY.5") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR('*') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR('/') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(DEF_STR( Yes )) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(DEF_STR( No )) PORT_CODE(KEYCODE_N) PORT_CHAR('N') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CLR") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ENT") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r') - - PORT_START("JOY.0") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_PLAYER(1) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(1) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_PLAYER(1) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_PLAYER(1) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(1) - PORT_BIT( 0xe0, 0xe0, IPT_UNUSED ) - - PORT_START("JOY.1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_PLAYER(2) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(2) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_PLAYER(2) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_PLAYER(2) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(2) - PORT_BIT( 0xe0, 0xe0, IPT_UNUSED ) -INPUT_PORTS_END - - -/* character sprite colors - dark grey, red, green, yellow, blue, violet, light grey, white - dark back / grid colors - black, dark blue, dark green, light green, red, violet, yellow, light grey - light back / grid colors - black, blue, green, light green, red, violet, yellow, light grey */ - -constexpr rgb_t odyssey2_colors[] = -{ - // Background,Grid Dim - { 0x00, 0x00, 0x00 }, /* Black */ // i r g b - { 0x1a, 0x37, 0xbe }, /* Blue - Calibrated To Real VideoPac */ // i r g B - { 0x00, 0x6d, 0x07 }, /* Green - Calibrated To Real VideoPac */ // i r G b - { 0x2a, 0xaa, 0xbe }, /* Blue-Green - Calibrated To Real VideoPac */ // i r G B - { 0x79, 0x00, 0x00 }, /* Red - Calibrated To Real VideoPac */ // i R g b - { 0x94, 0x30, 0x9f }, /* Violet - Calibrated To Real VideoPac */ // i R g B - { 0x77, 0x67, 0x0b }, /* Khaki - Calibrated To Real VideoPac */ // i R g B - { 0xce, 0xce, 0xce }, /* Lt Grey */ // i R G B - - // Background,Grid Bright - { 0x67, 0x67, 0x67 }, /* Grey - Calibrated To Real VideoPac */ // I R g B - { 0x5c, 0x80, 0xf6 }, /* Lt Blue - Calibrated To Real VideoPac */ // I R g B - { 0x56, 0xc4, 0x69 }, /* Lt Green - Calibrated To Real VideoPac */ // I R g B - { 0x77, 0xe6, 0xeb }, /* Lt Blue-Green - Calibrated To Real VideoPac */ // I R g b - { 0xc7, 0x51, 0x51 }, /* Lt Red - Calibrated To Real VideoPac */ // I R g b - { 0xdc, 0x84, 0xe8 }, /* Lt Violet - Calibrated To Real VideoPac */ // I R g B - { 0xc6, 0xb8, 0x6a }, /* Lt Yellow - Calibrated To Real VideoPac */ // I R G b - { 0xff, 0xff, 0xff } /* White */ // I R G B -}; - - -void odyssey2_state::odyssey2_palette(palette_device &palette) const -{ - palette.set_pen_colors(0, odyssey2_colors); -} - - -void g7400_state::g7400_palette(palette_device &palette) const -{ - constexpr rgb_t g7400_colors[]{ - { 0x00, 0x00, 0x00 }, // Black - { 0x1a, 0x37, 0xbe }, // Blue - { 0x00, 0x6d, 0x07 }, // Green - { 0x2a, 0xaa, 0xbe }, // Blue-Green - { 0x79, 0x00, 0x00 }, // Red - { 0x94, 0x30, 0x9f }, // Violet - { 0x77, 0x67, 0x0b }, // Khaki - { 0xce, 0xce, 0xce }, // Lt Grey - - { 0x67, 0x67, 0x67 }, // Grey - { 0x5c, 0x80, 0xf6 }, // Lt Blue - { 0x56, 0xc4, 0x69 }, // Lt Green - { 0x77, 0xe6, 0xeb }, // Lt Blue-Green - { 0xc7, 0x51, 0x51 }, // Lt Red - { 0xdc, 0x84, 0xe8 }, // Lt Violet - { 0xc6, 0xb8, 0x6a }, // Lt Yellow - { 0xff, 0xff, 0xff } // White - }; - - palette.set_pen_colors(0, g7400_colors); -} - -void odyssey2_state::init_odyssey2() -{ - uint8_t *gfx = memregion("gfx1")->base(); - - for (int i = 0; i < 256; i++) - { - gfx[i] = i; /* TODO: Why i and not 0? */ - m_ram[i] = 0; - } -} - - -void odyssey2_state::machine_start() -{ - save_pointer(NAME(m_ram),256); - save_item(NAME(m_p1)); - save_item(NAME(m_p2)); - save_item(NAME(m_lum)); -} - - -void odyssey2_state::machine_reset() -{ - m_lum = 0; - - /* jump to "last" bank, will work for all sizes due to being mirrored */ - m_p1 = 0xff; - m_p2 = 0xff; - m_cart->write_bank(m_p1); -} - - -void g7400_state::machine_start() -{ - odyssey2_state::machine_start(); - - save_pointer(NAME(m_ic674_decode),8); - save_pointer(NAME(m_ic678_decode),8); -} - - -void g7400_state::machine_reset() -{ - odyssey2_state::machine_reset(); - - for ( int i = 0; i < 8; i++ ) - { - m_ic674_decode[i] = 0; - m_ic678_decode[i] = 0; - } -} - -/****** External RAM ******************************/ - -READ8_MEMBER(odyssey2_state::io_read) -{ - if ((m_p1 & (P1_VDC_COPY_MODE_ENABLE | P1_VDC_ENABLE)) == 0) - { - return m_i8244->read(space, offset); - } - if (!(m_p1 & P1_EXT_RAM_ENABLE)) - { - return m_ram[offset]; - } - - return 0; -} - - -WRITE8_MEMBER(odyssey2_state::io_write) -{ - if ((m_p1 & (P1_EXT_RAM_ENABLE | P1_VDC_COPY_MODE_ENABLE)) == 0x00) - { - m_ram[offset] = data; - if (offset & 0x80) - { - logerror("voice write %02X, data = %02X (p1 = %02X)\n", offset, data, m_p1); - m_cart->io_write(space, offset, data); - } - } - else if (!(m_p1 & P1_VDC_ENABLE)) - { - m_i8244->write(space, offset, data); - } -} - - -READ8_MEMBER(g7400_state::io_read) -{ - if ((m_p1 & (P1_VDC_COPY_MODE_ENABLE | P1_VDC_ENABLE)) == 0) - { - return m_i8244->read(space, offset); - } - else if (!(m_p1 & P1_EXT_RAM_ENABLE)) - { - return m_ram[offset]; - } - else if (!(m_p1 & P1_VPP_ENABLE)) - { - return m_ef9340_1->ef9341_read( offset & 0x02, offset & 0x01 ); - } - - return 0; -} - - -WRITE8_MEMBER(g7400_state::io_write) -{ - if ((m_p1 & (P1_EXT_RAM_ENABLE | P1_VDC_COPY_MODE_ENABLE)) == 0x00) - { - m_ram[offset] = data; - if (offset & 0x80) - { - logerror("voice write %02X, data = %02X (p1 = %02X)\n", offset, data, m_p1); - m_cart->io_write(space, offset, data); - } - } - else if (!(m_p1 & P1_VDC_ENABLE)) - { - m_i8244->write(space, offset, data); - } - else if (!(m_p1 & P1_VPP_ENABLE)) - { - m_ef9340_1->ef9341_write( offset & 0x02, offset & 0x01, data ); - } -} - - -WRITE16_MEMBER(odyssey2_state::scanline_postprocess) -{ - int vpos = data; - bitmap_ind16 *bitmap = m_i8244->get_bitmap(); - - if ( vpos < i8244_device::START_Y || vpos >= i8244_device::START_Y + i8244_device::SCREEN_HEIGHT ) - { - return; - } - - // apply external LUM setting - for ( int x = i8244_device::START_ACTIVE_SCAN; x < i8244_device::END_ACTIVE_SCAN; x++ ) - { - bitmap->pix16( vpos, x ) |= ( m_lum ^ 0x08 ); - } -} - - -WRITE16_MEMBER(g7400_state::scanline_postprocess) -{ - int vpos = data; - int y = vpos - i8244_device::START_Y - 5; - bitmap_ind16 *bitmap = m_i8244->get_bitmap(); - bitmap_ind16 *ef934x_bitmap = m_ef9340_1->get_bitmap(); - - if ( vpos < i8244_device::START_Y || vpos >= i8244_device::START_Y + i8244_device::SCREEN_HEIGHT ) - { - return; - } - - // apply external LUM setting - int x_real_start = i8244_device::START_ACTIVE_SCAN + i8244_device::BORDER_SIZE + 5; - int x_real_end = i8244_device::END_ACTIVE_SCAN - i8244_device::BORDER_SIZE + 5; - for ( int x = i8244_device::START_ACTIVE_SCAN; x < i8244_device::END_ACTIVE_SCAN; x++ ) - { - uint16_t d = bitmap->pix16( vpos, x ); - - if ( ( ! m_ic678_decode[ d & 0x07 ] ) && x >= x_real_start && x < x_real_end && y >= 0 && y < 240 ) - { - // Use EF934x input - d = ef934x_bitmap->pix16( y, x - x_real_start ) & 0x07; - - if ( ! m_ic674_decode[ d & 0x07 ] ) - { - d |= 0x08; - } - } - else - { - // Use i8245 input - d |= ( m_lum ^ 0x08 ); - } - bitmap->pix16( vpos, x ) = d; - } -} - - -uint32_t odyssey2_state::screen_update_odyssey2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - return m_i8244->screen_update(screen, bitmap, cliprect); -} - - -READ_LINE_MEMBER(odyssey2_state::t1_read) -{ - if ( m_i8244->vblank() || m_i8244->hblank() ) - { - return 1; - } - return 0; -} - - -READ8_MEMBER(odyssey2_state::p1_read) -{ - uint8_t data = m_p1; - - return data; -} - - -WRITE8_MEMBER(odyssey2_state::p1_write) -{ - m_p1 = data; - m_lum = ( data & 0x80 ) >> 4; - m_cart->write_bank(m_p1); -} - - -READ8_MEMBER(odyssey2_state::p2_read) -{ - uint8_t h = 0xFF; - int i, j; - - if (!(m_p1 & P1_KEYBOARD_SCAN_ENABLE)) - { - if ((m_p2 & P2_KEYBOARD_SELECT_MASK) <= 5) /* read keyboard */ - { - h &= m_keyboard[m_p2 & P2_KEYBOARD_SELECT_MASK]->read(); - } - - for (i= 0x80, j = 0; i > 0; i >>= 1, j++) - { - if (!(h & i)) - { - m_p2 &= ~0x10; /* set key was pressed indicator */ - m_p2 = (m_p2 & ~0xE0) | (j << 5); /* column that was pressed */ - - break; - } - } - - if (h == 0xFF) /* active low inputs, so no keypresses */ - { - m_p2 = m_p2 | 0xF0; - } - } - else - { - m_p2 = m_p2 | 0xF0; - } - - return m_p2; -} - - -WRITE8_MEMBER(odyssey2_state::p2_write) -{ - m_p2 = data; -} - - -WRITE8_MEMBER(g7400_state::p2_write) -{ - m_p2 = data; - m_i8243->p2_w(m_p2 & 0x0f); -} - - -READ8_MEMBER(odyssey2_state::bus_read) -{ - uint8_t data = 0xff; - - if ((m_p2 & P2_KEYBOARD_SELECT_MASK) == 1) - { - data &= m_joysticks[0]->read(); - } - - if ((m_p2 & P2_KEYBOARD_SELECT_MASK) == 0) - { - data &= m_joysticks[1]->read(); - } - - return data; -} - - -WRITE8_MEMBER(odyssey2_state::bus_write) -{ - logerror("%.6f bus written %.2x\n", machine().time().as_double(), data); -} - - -/* - i8243 in the g7400 -*/ - -void g7400_state::i8243_p4_w(uint8_t data) -{ - // "port 4" - logerror("setting ef-port4 to %02x\n", data); - m_ic674_decode[4] = BIT(data,0); - m_ic674_decode[5] = BIT(data,1); - m_ic674_decode[6] = BIT(data,2); - m_ic674_decode[7] = BIT(data,3); -} - - -void g7400_state::i8243_p5_w(uint8_t data) -{ - // "port 5" - logerror("setting ef-port5 to %02x\n", data); - m_ic674_decode[0] = BIT(data,0); - m_ic674_decode[1] = BIT(data,1); - m_ic674_decode[2] = BIT(data,2); - m_ic674_decode[3] = BIT(data,3); -} - - -void g7400_state::i8243_p6_w(uint8_t data) -{ - // "port 6" - logerror("setting vdc-port6 to %02x\n", data); - m_ic678_decode[4] = BIT(data,0); - m_ic678_decode[5] = BIT(data,1); - m_ic678_decode[6] = BIT(data,2); - m_ic678_decode[7] = BIT(data,3); -} - - -void g7400_state::i8243_p7_w(uint8_t data) -{ - // "port 7" - logerror("setting vdc-port7 to %02x\n", data); - m_ic678_decode[0] = BIT(data,0); - m_ic678_decode[1] = BIT(data,1); - m_ic678_decode[2] = BIT(data,2); - m_ic678_decode[3] = BIT(data,3); -} - - -static const gfx_layout odyssey2_graphicslayout = -{ - 8,1, - 256, /* 256 characters */ - 1, /* 1 bits per pixel */ - { 0 }, /* no bitplanes; 1 bit per pixel */ - /* x offsets */ - { - 0, - 1, - 2, - 3, - 4, - 5, - 6, - 7, - }, - /* y offsets */ - { 0 }, - 1*8 -}; - - -static const gfx_layout odyssey2_spritelayout = -{ - 8,1, - 256, /* 256 characters */ - 1, /* 1 bits per pixel */ - { 0 }, /* no bitplanes; 1 bit per pixel */ - /* x offsets */ - { - 7,6,5,4,3,2,1,0 - }, - /* y offsets */ - { 0 }, - 1*8 -}; - - -static GFXDECODE_START( gfx_odyssey2 ) - GFXDECODE_ENTRY( "gfx1", 0x0000, odyssey2_graphicslayout, 0, 2 ) - GFXDECODE_ENTRY( "gfx1", 0x0000, odyssey2_spritelayout, 0, 2 ) -GFXDECODE_END - - - -void odyssey2_state::odyssey2_cartslot(machine_config &config) -{ - O2_CART_SLOT(config, m_cart, o2_cart, nullptr); - - SOFTWARE_LIST(config, "cart_list").set_original("odyssey2"); -} - - -void odyssey2_state::odyssey2(machine_config &config) -{ - /* basic machine hardware */ - I8048(config, m_maincpu, ((XTAL(7'159'090) * 3) / 4)); - m_maincpu->set_addrmap(AS_PROGRAM, &odyssey2_state::odyssey2_mem); - m_maincpu->set_addrmap(AS_IO, &odyssey2_state::odyssey2_io); - m_maincpu->p1_in_cb().set(FUNC(odyssey2_state::p1_read)); - m_maincpu->p1_out_cb().set(FUNC(odyssey2_state::p1_write)); - m_maincpu->p2_in_cb().set(FUNC(odyssey2_state::p2_read)); - m_maincpu->p2_out_cb().set(FUNC(odyssey2_state::p2_write)); - m_maincpu->bus_in_cb().set(FUNC(odyssey2_state::bus_read)); - m_maincpu->bus_out_cb().set(FUNC(odyssey2_state::bus_write)); - m_maincpu->t0_in_cb().set("cartslot", FUNC(o2_cart_slot_device::t0_read)); - m_maincpu->t1_in_cb().set(FUNC(odyssey2_state::t1_read)); - - config.set_maximum_quantum(attotime::from_hz(60)); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_screen_update(FUNC(odyssey2_state::screen_update_odyssey2)); - screen.set_palette("palette"); - - GFXDECODE(config, "gfxdecode", "palette", gfx_odyssey2); - PALETTE(config, "palette", FUNC(odyssey2_state::odyssey2_palette), 32); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - I8244(config, m_i8244, XTAL(7'159'090)/2 * 2); - m_i8244->set_screen("screen"); - m_i8244->irq_cb().set_inputline(m_maincpu, MCS48_INPUT_IRQ); - m_i8244->postprocess_cb().set(FUNC(odyssey2_state::scanline_postprocess)); - m_i8244->add_route(ALL_OUTPUTS, "mono", 0.40); - - odyssey2_cartslot(config); -} - - -void odyssey2_state::videopac(machine_config &config) -{ - /* basic machine hardware */ - I8048(config, m_maincpu, (XTAL(17'734'470) / 3)); - m_maincpu->set_addrmap(AS_PROGRAM, &odyssey2_state::odyssey2_mem); - m_maincpu->set_addrmap(AS_IO, &odyssey2_state::odyssey2_io); - m_maincpu->p1_in_cb().set(FUNC(odyssey2_state::p1_read)); - m_maincpu->p1_out_cb().set(FUNC(odyssey2_state::p1_write)); - m_maincpu->p2_in_cb().set(FUNC(odyssey2_state::p2_read)); - m_maincpu->p2_out_cb().set(FUNC(odyssey2_state::p2_write)); - m_maincpu->bus_in_cb().set(FUNC(odyssey2_state::bus_read)); - m_maincpu->bus_out_cb().set(FUNC(odyssey2_state::bus_write)); - m_maincpu->t0_in_cb().set("cartslot", FUNC(o2_cart_slot_device::t0_read)); - m_maincpu->t1_in_cb().set(FUNC(odyssey2_state::t1_read)); - - config.set_maximum_quantum(attotime::from_hz(60)); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_screen_update(FUNC(odyssey2_state::screen_update_odyssey2)); - screen.set_palette("palette"); - - GFXDECODE(config, "gfxdecode", "palette", gfx_odyssey2); - PALETTE(config, "palette", FUNC(odyssey2_state::odyssey2_palette), 16); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - I8245(config, m_i8244, XTAL(17'734'470)/5 * 2); - m_i8244->set_screen("screen"); - m_i8244->irq_cb().set_inputline(m_maincpu, MCS48_INPUT_IRQ); - m_i8244->postprocess_cb().set(FUNC(odyssey2_state::scanline_postprocess)); - m_i8244->add_route(ALL_OUTPUTS, "mono", 0.40); - - odyssey2_cartslot(config); -} - - -void g7400_state::g7400(machine_config &config) -{ - /* basic machine hardware */ - I8048(config, m_maincpu, XTAL(5'911'000)); - m_maincpu->set_addrmap(AS_PROGRAM, &g7400_state::odyssey2_mem); - m_maincpu->set_addrmap(AS_IO, &g7400_state::g7400_io); - m_maincpu->p1_in_cb().set(FUNC(g7400_state::p1_read)); - m_maincpu->p1_out_cb().set(FUNC(g7400_state::p1_write)); - m_maincpu->p2_in_cb().set(FUNC(g7400_state::p2_read)); - m_maincpu->p2_out_cb().set(FUNC(g7400_state::p2_write)); - m_maincpu->bus_in_cb().set(FUNC(g7400_state::bus_read)); - m_maincpu->bus_out_cb().set(FUNC(g7400_state::bus_write)); - m_maincpu->t0_in_cb().set("cartslot", FUNC(o2_cart_slot_device::t0_read)); - m_maincpu->t1_in_cb().set(FUNC(g7400_state::t1_read)); - m_maincpu->prog_out_cb().set(m_i8243, FUNC(i8243_device::prog_w)); - - config.set_maximum_quantum(attotime::from_hz(60)); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_screen_update(FUNC(odyssey2_state::screen_update_odyssey2)); - screen.set_palette("palette"); - - GFXDECODE(config, "gfxdecode", "palette", gfx_odyssey2); - PALETTE(config, "palette", FUNC(g7400_state::g7400_palette), 16); - - I8243(config, m_i8243); - m_i8243->p4_out_cb().set(FUNC(g7400_state::i8243_p4_w)); - m_i8243->p5_out_cb().set(FUNC(g7400_state::i8243_p5_w)); - m_i8243->p6_out_cb().set(FUNC(g7400_state::i8243_p6_w)); - m_i8243->p7_out_cb().set(FUNC(g7400_state::i8243_p7_w)); - - EF9340_1(config, m_ef9340_1, 3540000, "screen"); - - SPEAKER(config, "mono").front_center(); - I8245(config, m_i8244, 3540000 * 2); - m_i8244->set_screen("screen"); - m_i8244->irq_cb().set_inputline(m_maincpu, MCS48_INPUT_IRQ); - m_i8244->postprocess_cb().set(FUNC(g7400_state::scanline_postprocess)); - m_i8244->add_route(ALL_OUTPUTS, "mono", 0.40); - - odyssey2_cartslot(config); - SOFTWARE_LIST(config.replace(), "cart_list").set_original("g7400"); - SOFTWARE_LIST(config, "ody2_list").set_compatible("odyssey2"); -} - - -void g7400_state::odyssey3(machine_config &config) -{ - /* basic machine hardware */ - I8048(config, m_maincpu, XTAL(5'911'000)); - m_maincpu->set_addrmap(AS_PROGRAM, &g7400_state::odyssey2_mem); - m_maincpu->set_addrmap(AS_IO, &g7400_state::g7400_io); - m_maincpu->p1_in_cb().set(FUNC(g7400_state::p1_read)); - m_maincpu->p1_out_cb().set(FUNC(g7400_state::p1_write)); - m_maincpu->p2_in_cb().set(FUNC(g7400_state::p2_read)); - m_maincpu->p2_out_cb().set(FUNC(g7400_state::p2_write)); - m_maincpu->bus_in_cb().set(FUNC(g7400_state::bus_read)); - m_maincpu->bus_out_cb().set(FUNC(g7400_state::bus_write)); - m_maincpu->t0_in_cb().set("cartslot", FUNC(o2_cart_slot_device::t0_read)); - m_maincpu->t1_in_cb().set(FUNC(g7400_state::t1_read)); - m_maincpu->prog_out_cb().set(m_i8243, FUNC(i8243_device::prog_w)); - - config.set_maximum_quantum(attotime::from_hz(60)); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_screen_update(FUNC(odyssey2_state::screen_update_odyssey2)); - screen.set_palette("palette"); - - GFXDECODE(config, "gfxdecode", "palette", gfx_odyssey2); - PALETTE(config, "palette", FUNC(g7400_state::g7400_palette), 16); - - I8243(config, m_i8243); - m_i8243->p4_out_cb().set(FUNC(g7400_state::i8243_p4_w)); - m_i8243->p5_out_cb().set(FUNC(g7400_state::i8243_p5_w)); - m_i8243->p6_out_cb().set(FUNC(g7400_state::i8243_p6_w)); - m_i8243->p7_out_cb().set(FUNC(g7400_state::i8243_p7_w)); - - EF9340_1(config, m_ef9340_1, 3540000, "screen"); - - SPEAKER(config, "mono").front_center(); - I8244(config, m_i8244, 3540000 * 2); - m_i8244->set_screen("screen"); - m_i8244->irq_cb().set_inputline(m_maincpu, MCS48_INPUT_IRQ); - m_i8244->postprocess_cb().set(FUNC(g7400_state::scanline_postprocess)); - m_i8244->add_route(ALL_OUTPUTS, "mono", 0.40); - - odyssey2_cartslot(config); - SOFTWARE_LIST(config.replace(), "cart_list").set_original("g7400"); - SOFTWARE_LIST(config, "ody2_list").set_compatible("odyssey2"); -} - - -ROM_START (odyssey2) - ROM_REGION(0x10000,"maincpu",0) /* safer for the memory handler/bankswitching??? */ - ROM_LOAD ("o2bios.rom", 0x0000, 0x0400, CRC(8016a315) SHA1(b2e1955d957a475de2411770452eff4ea19f4cee)) - ROM_REGION(0x100, "gfx1", ROMREGION_ERASEFF) -ROM_END - - -ROM_START (videopac) - ROM_REGION(0x10000,"maincpu",0) /* safer for the memory handler/bankswitching??? */ - ROM_SYSTEM_BIOS( 0, "g7000", "g7000" ) - ROMX_LOAD ("o2bios.rom", 0x0000, 0x0400, CRC(8016a315) SHA1(b2e1955d957a475de2411770452eff4ea19f4cee), ROM_BIOS(0)) - ROM_SYSTEM_BIOS( 1, "c52", "c52" ) - ROMX_LOAD ("c52.bin", 0x0000, 0x0400, CRC(a318e8d6) SHA1(a6120aed50831c9c0d95dbdf707820f601d9452e), ROM_BIOS(1)) - ROM_REGION(0x100, "gfx1", ROMREGION_ERASEFF) -ROM_END - - -ROM_START (g7400) - ROM_REGION(0x10000,"maincpu",0) /* safer for the memory handler/bankswitching??? */ - ROM_LOAD ("g7400.bin", 0x0000, 0x0400, CRC(e20a9f41) SHA1(5130243429b40b01a14e1304d0394b8459a6fbae)) - ROM_REGION(0x100, "gfx1", ROMREGION_ERASEFF) -ROM_END - - -ROM_START (jopac) - ROM_REGION(0x10000,"maincpu",0) /* safer for the memory handler/bankswitching??? */ - ROM_LOAD ("jopac.bin", 0x0000, 0x0400, CRC(11647ca5) SHA1(54b8d2c1317628de51a85fc1c424423a986775e4)) - ROM_REGION(0x100, "gfx1", ROMREGION_ERASEFF) -ROM_END - - -ROM_START (odyssey3) - ROM_REGION(0x10000, "maincpu", 0) - ROM_LOAD ("odyssey3.bin", 0x0000, 0x0400, CRC(e2b23324) SHA1(0a38c5f2cea929d2fe0a23e5e1a60de9155815dc)) - - ROM_REGION(0x100, "gfx1", ROMREGION_ERASEFF) -ROM_END - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -COMP( 1978, odyssey2, 0, 0, odyssey2, odyssey2, odyssey2_state, init_odyssey2, "Magnavox", "Odyssey 2", 0 ) -COMP( 1979, videopac, odyssey2, 0, videopac, odyssey2, odyssey2_state, init_odyssey2, "Philips", "Videopac G7000/C52", 0 ) -COMP( 1983, g7400, odyssey2, 0, g7400, odyssey2, g7400_state, init_odyssey2, "Philips", "Videopac Plus G7400", MACHINE_IMPERFECT_GRAPHICS ) -COMP( 1983, jopac, odyssey2, 0, g7400, odyssey2, g7400_state, init_odyssey2, "Brandt", "Jopac JO7400", MACHINE_IMPERFECT_GRAPHICS ) -COMP( 1983, odyssey3, odyssey2, 0, odyssey3, odyssey2, g7400_state, init_odyssey2, "Magnavox", "Odyssey 3 Command Center (prototype)", MACHINE_IMPERFECT_GRAPHICS ) |