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-rw-r--r--src/mess/drivers/odyssey2.c833
1 files changed, 0 insertions, 833 deletions
diff --git a/src/mess/drivers/odyssey2.c b/src/mess/drivers/odyssey2.c
deleted file mode 100644
index fdd98f3b815..00000000000
--- a/src/mess/drivers/odyssey2.c
+++ /dev/null
@@ -1,833 +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 "video/i8244.h"
-#include "machine/i8243.h"
-#include "video/ef9340_1.h"
-
-#include "bus/odyssey2/slot.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"),
- m_joysticks(*this, "JOY") { }
-
- required_device<cpu_device> m_maincpu;
- required_device<i8244_device> m_i8244;
- required_device<o2_cart_slot_device> m_cart;
-
- UINT8 m_ram[256];
- UINT8 m_p1;
- UINT8 m_p2;
- UINT8 m_lum;
- 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);
- DECLARE_READ8_MEMBER(t1_read);
- DECLARE_DRIVER_INIT(odyssey2);
- virtual void machine_start();
- virtual void machine_reset();
- DECLARE_PALETTE_INIT(odyssey2);
- UINT32 screen_update_odyssey2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
- DECLARE_WRITE_LINE_MEMBER(irq_callback);
-
- DECLARE_WRITE16_MEMBER(scanline_postprocess);
-
-protected:
- /* constants */
- static const UINT8 P1_BANK_LO_BIT = 0x01;
- static const UINT8 P1_BANK_HI_BIT = 0x02;
- static const UINT8 P1_KEYBOARD_SCAN_ENABLE = 0x04; /* active low */
- static const UINT8 P1_VDC_ENABLE = 0x08; /* active low */
- static const UINT8 P1_EXT_RAM_ENABLE = 0x10; /* active low */
- static const UINT8 P1_VPP_ENABLE = 0x20; /* active low */
- static const UINT8 P1_VDC_COPY_MODE_ENABLE = 0x40;
- static const UINT8 P2_KEYBOARD_SELECT_MASK = 0x07; /* select row to scan */
-
- required_ioport_array<6> m_keyboard;
- required_ioport_array<2> m_joysticks;
-};
-
-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")
- { }
-
- required_device<i8243_device> m_i8243;
- required_device<ef9340_1_device> m_ef9340_1;
-
- DECLARE_PALETTE_INIT(g7400);
- virtual void machine_start();
- virtual void machine_reset();
- DECLARE_WRITE8_MEMBER(p2_write);
- DECLARE_READ8_MEMBER(io_read);
- DECLARE_WRITE8_MEMBER(io_write);
- DECLARE_WRITE8_MEMBER(i8243_port_w);
- DECLARE_WRITE16_MEMBER(scanline_postprocess);
-
-protected:
- UINT8 m_ic674_decode[8];
- UINT8 m_ic678_decode[8];
-};
-
-
-static ADDRESS_MAP_START( odyssey2_mem , AS_PROGRAM, 8, odyssey2_state )
- AM_RANGE(0x0000, 0x03ff) AM_ROM
- AM_RANGE(0x0400, 0x0bff) AM_DEVREAD("cartslot", o2_cart_slot_device, read_rom04)
- AM_RANGE(0x0c00, 0x0fff) AM_DEVREAD("cartslot", o2_cart_slot_device, read_rom0c)
-ADDRESS_MAP_END
-
-
-static ADDRESS_MAP_START( odyssey2_io , AS_IO, 8, odyssey2_state )
- AM_RANGE(0x00, 0xff) AM_READWRITE(io_read, io_write)
- AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READWRITE(p1_read, p1_write)
- AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READWRITE(p2_read, p2_write)
- AM_RANGE(MCS48_PORT_BUS, MCS48_PORT_BUS) AM_READWRITE(bus_read, bus_write)
- AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_DEVREAD("cartslot", o2_cart_slot_device, t0_read)
- AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(t1_read)
-ADDRESS_MAP_END
-
-
-static ADDRESS_MAP_START( g7400_io , AS_IO, 8, g7400_state )
- AM_RANGE(0x00, 0xff) AM_READWRITE(io_read, io_write)
- AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READWRITE(p1_read, p1_write)
- AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READWRITE(p2_read, p2_write)
- AM_RANGE(MCS48_PORT_BUS, MCS48_PORT_BUS) AM_READWRITE(bus_read, bus_write)
- AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_DEVREAD("cartslot", o2_cart_slot_device, t0_read)
- AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(t1_read)
- AM_RANGE(MCS48_PORT_PROG, MCS48_PORT_PROG) AM_DEVWRITE("i8243", i8243_device, i8243_prog_w);
-ADDRESS_MAP_END
-
-
-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 */
-
-const UINT8 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
-};
-
-
-PALETTE_INIT_MEMBER(odyssey2_state, odyssey2)
-{
- for ( int i = 0; i < 16; i++ )
- {
- palette.set_pen_color( i, odyssey2_colors[i*3], odyssey2_colors[i*3+1], odyssey2_colors[i*3+2] );
- }
-}
-
-
-PALETTE_INIT_MEMBER(g7400_state, g7400)
-{
- const UINT8 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
-
- };
-
- for ( int i = 0; i < 16; i++ )
- {
- palette.set_pen_color( i, g7400_colors[i*3], g7400_colors[i*3+1], g7400_colors[i*3+2] );
- }
-}
-
-
-WRITE_LINE_MEMBER(odyssey2_state::irq_callback)
-{
- m_maincpu->set_input_line(0, state);
-}
-
-
-DRIVER_INIT_MEMBER(odyssey2_state,odyssey2)
-{
- UINT8 *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 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 odyssey2_state::screen_update_odyssey2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- return m_i8244->screen_update(screen, bitmap, cliprect);
-}
-
-
-READ8_MEMBER(odyssey2_state::t1_read)
-{
- if ( m_i8244->vblank() || m_i8244->hblank() )
- {
- return 1;
- }
- return 0;
-}
-
-
-READ8_MEMBER(odyssey2_state::p1_read)
-{
- UINT8 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 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->i8243_p2_w( space, 0, m_p2 & 0x0f );
-}
-
-
-READ8_MEMBER(odyssey2_state::bus_read)
-{
- UINT8 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
-*/
-
-WRITE8_MEMBER(g7400_state::i8243_port_w)
-{
- switch ( offset & 3 )
- {
- case 0: // "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);
- break;
-
- case 1: // "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);
- break;
-
- case 2: // "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);
- break;
-
- case 3: // "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);
- break;
-
- }
-}
-
-
-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( odyssey2 )
- GFXDECODE_ENTRY( "gfx1", 0x0000, odyssey2_graphicslayout, 0, 2 )
- GFXDECODE_ENTRY( "gfx1", 0x0000, odyssey2_spritelayout, 0, 2 )
-GFXDECODE_END
-
-
-
-static MACHINE_CONFIG_FRAGMENT( odyssey2_cartslot )
- MCFG_O2_CARTRIDGE_ADD("cartslot", o2_cart, NULL)
-
- MCFG_SOFTWARE_LIST_ADD("cart_list","odyssey2")
-MACHINE_CONFIG_END
-
-
-static MACHINE_CONFIG_START( odyssey2, odyssey2_state )
- /* basic machine hardware */
- MCFG_CPU_ADD("maincpu", I8048, ( ( XTAL_7_15909MHz * 3 ) / 4 ) )
- MCFG_CPU_PROGRAM_MAP(odyssey2_mem)
- MCFG_CPU_IO_MAP(odyssey2_io)
- MCFG_QUANTUM_TIME(attotime::from_hz(60))
-
- /* video hardware */
- MCFG_SCREEN_ADD("screen", RASTER)
- MCFG_SCREEN_RAW_PARAMS( XTAL_7_15909MHz/2 * 2, i8244_device::LINE_CLOCKS, i8244_device::START_ACTIVE_SCAN, i8244_device::END_ACTIVE_SCAN, i8244_device::LINES, i8244_device::START_Y, i8244_device::START_Y + i8244_device::SCREEN_HEIGHT )
- MCFG_SCREEN_UPDATE_DRIVER(odyssey2_state, screen_update_odyssey2)
- MCFG_SCREEN_PALETTE("palette")
-
- MCFG_GFXDECODE_ADD("gfxdecode", "palette", odyssey2 )
- MCFG_PALETTE_ADD("palette", 32)
- MCFG_PALETTE_INIT_OWNER(odyssey2_state, odyssey2)
-
- /* sound hardware */
- MCFG_SPEAKER_STANDARD_MONO("mono")
- MCFG_I8244_ADD( "i8244", XTAL_7_15909MHz/2 * 2, "screen", WRITELINE( odyssey2_state, irq_callback ), WRITE16( odyssey2_state, scanline_postprocess ) )
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40)
-
- MCFG_FRAGMENT_ADD(odyssey2_cartslot)
-MACHINE_CONFIG_END
-
-
-static MACHINE_CONFIG_START( videopac, odyssey2_state )
- /* basic machine hardware */
- MCFG_CPU_ADD("maincpu", I8048, ( XTAL_17_73447MHz / 3 ) )
- MCFG_CPU_PROGRAM_MAP(odyssey2_mem)
- MCFG_CPU_IO_MAP(odyssey2_io)
- MCFG_QUANTUM_TIME(attotime::from_hz(60))
-
- /* video hardware */
- MCFG_SCREEN_ADD("screen", RASTER)
- MCFG_SCREEN_RAW_PARAMS( XTAL_17_73447MHz/5 * 2, i8244_device::LINE_CLOCKS, i8244_device::START_ACTIVE_SCAN, i8244_device::END_ACTIVE_SCAN, i8245_device::LINES, i8244_device::START_Y, i8244_device::START_Y + i8244_device::SCREEN_HEIGHT )
- MCFG_SCREEN_UPDATE_DRIVER(odyssey2_state, screen_update_odyssey2)
- MCFG_SCREEN_PALETTE("palette")
-
- MCFG_GFXDECODE_ADD("gfxdecode", "palette", odyssey2 )
- MCFG_PALETTE_ADD("palette", 16)
- MCFG_PALETTE_INIT_OWNER(odyssey2_state, odyssey2)
-
- /* sound hardware */
- MCFG_SPEAKER_STANDARD_MONO("mono")
- MCFG_I8245_ADD( "i8244", XTAL_17_73447MHz/5 * 2, "screen", WRITELINE( odyssey2_state, irq_callback ), WRITE16( odyssey2_state, scanline_postprocess ) )
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40)
-
- MCFG_FRAGMENT_ADD(odyssey2_cartslot)
-MACHINE_CONFIG_END
-
-
-static MACHINE_CONFIG_START( g7400, g7400_state )
- /* basic machine hardware */
- MCFG_CPU_ADD("maincpu", I8048, XTAL_5_911MHz )
- MCFG_CPU_PROGRAM_MAP(odyssey2_mem)
- MCFG_CPU_IO_MAP(g7400_io)
- MCFG_QUANTUM_TIME(attotime::from_hz(60))
-
- /* video hardware */
- MCFG_SCREEN_ADD("screen", RASTER)
- MCFG_SCREEN_RAW_PARAMS( 3540000 * 2, i8244_device::LINE_CLOCKS, i8244_device::START_ACTIVE_SCAN, i8244_device::END_ACTIVE_SCAN, i8245_device::LINES, i8244_device::START_Y, i8244_device::START_Y + i8244_device::SCREEN_HEIGHT )
- MCFG_SCREEN_UPDATE_DRIVER(odyssey2_state, screen_update_odyssey2)
- MCFG_SCREEN_PALETTE("palette")
-
- MCFG_GFXDECODE_ADD("gfxdecode", "palette", odyssey2 )
- MCFG_PALETTE_ADD("palette", 16)
- MCFG_PALETTE_INIT_OWNER(g7400_state, g7400)
-
- MCFG_I8243_ADD( "i8243", NOOP, WRITE8(g7400_state,i8243_port_w))
-
- MCFG_EF9340_1_ADD( "ef9340_1", 3540000, "screen" )
-
- MCFG_SPEAKER_STANDARD_MONO("mono")
- MCFG_I8245_ADD( "i8244", 3540000 * 2, "screen", WRITELINE( odyssey2_state, irq_callback ), WRITE16( g7400_state, scanline_postprocess ) )
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40)
-
- MCFG_FRAGMENT_ADD(odyssey2_cartslot)
- MCFG_DEVICE_REMOVE("cart_list")
- MCFG_SOFTWARE_LIST_ADD("cart_list","g7400")
- MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("ody2_list","odyssey2")
-MACHINE_CONFIG_END
-
-
-static MACHINE_CONFIG_START( odyssey3, g7400_state )
- /* basic machine hardware */
- MCFG_CPU_ADD("maincpu", I8048, XTAL_5_911MHz )
- MCFG_CPU_PROGRAM_MAP(odyssey2_mem)
- MCFG_CPU_IO_MAP(g7400_io)
- MCFG_QUANTUM_TIME(attotime::from_hz(60))
-
- /* video hardware */
- MCFG_SCREEN_ADD("screen", RASTER)
- MCFG_SCREEN_RAW_PARAMS( 3540000 * 2, i8244_device::LINE_CLOCKS, i8244_device::START_ACTIVE_SCAN, i8244_device::END_ACTIVE_SCAN, i8244_device::LINES, i8244_device::START_Y, i8244_device::START_Y + i8244_device::SCREEN_HEIGHT )
- MCFG_SCREEN_UPDATE_DRIVER(odyssey2_state, screen_update_odyssey2)
- MCFG_SCREEN_PALETTE("palette")
-
- MCFG_GFXDECODE_ADD("gfxdecode", "palette", odyssey2 )
- MCFG_PALETTE_ADD("palette", 16)
- MCFG_PALETTE_INIT_OWNER(g7400_state, g7400)
-
- MCFG_I8243_ADD( "i8243", NOOP, WRITE8(g7400_state,i8243_port_w))
-
- MCFG_EF9340_1_ADD( "ef9340_1", 3540000, "screen" )
-
- MCFG_SPEAKER_STANDARD_MONO("mono")
- MCFG_I8244_ADD( "i8244", 3540000 * 2, "screen", WRITELINE( odyssey2_state, irq_callback ), WRITE16( g7400_state, scanline_postprocess ) )
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40)
-
- MCFG_FRAGMENT_ADD(odyssey2_cartslot)
- MCFG_DEVICE_REMOVE("cart_list")
- MCFG_SOFTWARE_LIST_ADD("cart_list","g7400")
- MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("ody2_list","odyssey2")
-MACHINE_CONFIG_END
-
-
-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(1))
- ROM_SYSTEM_BIOS( 1, "c52", "c52" )
- ROMX_LOAD ("c52.bin", 0x0000, 0x0400, CRC(a318e8d6) SHA1(a6120aed50831c9c0d95dbdf707820f601d9452e), ROM_BIOS(2))
- 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 INIT COMPANY FULLNAME FLAGS */
-COMP( 1978, odyssey2, 0, 0, odyssey2, odyssey2, odyssey2_state, odyssey2, "Magnavox", "Odyssey 2", 0 )
-COMP( 1979, videopac, odyssey2, 0, videopac, odyssey2, odyssey2_state, odyssey2, "Philips", "Videopac G7000/C52", 0 )
-COMP( 1983, g7400, odyssey2, 0, g7400, odyssey2, odyssey2_state, odyssey2, "Philips", "Videopac Plus G7400", MACHINE_IMPERFECT_GRAPHICS )
-COMP( 1983, jopac, odyssey2, 0, g7400, odyssey2, odyssey2_state, odyssey2, "Brandt", "Jopac JO7400", MACHINE_IMPERFECT_GRAPHICS )
-COMP( 1983, odyssey3, odyssey2, 0, odyssey3, odyssey2, odyssey2_state, odyssey2, "Magnavox", "Odyssey 3 Command Center (prototype)", MACHINE_IMPERFECT_GRAPHICS )