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Diffstat (limited to 'src/mame/drivers/odyssey2.cpp')
-rw-r--r--src/mame/drivers/odyssey2.cpp895
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 )