// license:GPL-2.0+ // copyright-holders:Juergen Buchmueller, Frank Palazzolo, Sean Riddle /****************************************************************** * * Fairchild Channel F driver * * Juergen Buchmueller * Frank Palazzolo * Sean Riddle * * Fredric "e5frog" Blaoholtz, added support large cartridges * also spanning from $3000 to $FFFF. Added clones * Fabio "etabeta" Priuli, moved carts to be slot devices * ******************************************************************/ #include "emu.h" #include "includes/channelf.h" #include "screen.h" #include "softlist.h" #include "speaker.h" #ifndef VERBOSE #define VERBOSE 0 #endif #define LOG(x) do { if (VERBOSE) logerror x; } while (0) #define MASTER_CLOCK_PAL 2000000 /* PAL unit has a separate crystal at 4.000 MHz */ #define PAL_VBLANK_TIME 4623 /* The F8 has latches on its port pins * These mimic's their behavior * [0]=port0, [1]=port1, [2]=port4, [3]=port5 * * Note: this should really be moved into f8.c, * but it's complicated by possible peripheral usage. * * If the read/write operation is going external to the F3850 * (or F3853, etc.), then the latching applies. However, relaying the * port read/writes from the F3850 to a peripheral like the F3853 * should not be latched in this way. (See mk1 driver) * * The f8 cannot determine how its ports are mapped at runtime, * so it can't easily decide to latch or not. * * ...so it stays here for now. */ uint8_t channelf_state::port_read_with_latch(uint8_t ext, uint8_t latch_state) { return (~ext | latch_state); } READ8_MEMBER( channelf_state::port_0_r ) { return port_read_with_latch(ioport("PANEL")->read(), m_latch[0]); } READ8_MEMBER( channelf_state::port_1_r ) { uint8_t ext_value; if ((m_latch[0] & 0x40) == 0) ext_value = ioport("RIGHT_C")->read(); else ext_value = 0xc0 | ioport("RIGHT_C")->read(); return port_read_with_latch(ext_value,m_latch[1]); } READ8_MEMBER( channelf_state::port_4_r ) { uint8_t ext_value; if ((m_latch[0] & 0x40) == 0) ext_value = ioport("LEFT_C")->read(); else ext_value = 0xff; return port_read_with_latch(ext_value,m_latch[2]); } READ8_MEMBER( channelf_state::port_5_r ) { return port_read_with_latch(0xff, m_latch[3]); } WRITE8_MEMBER( channelf_state::port_0_w ) { int offs; m_latch[0] = data; if (data & 0x20) { offs = m_row_reg*128+m_col_reg; m_p_videoram[offs] = m_val_reg; } } WRITE8_MEMBER( channelf_state::port_1_w ) { m_latch[1] = data; m_val_reg = ((data ^ 0xff) >> 6) & 0x03; } WRITE8_MEMBER( channelf_state::port_4_w ) { m_latch[2] = data; m_col_reg = (data | 0x80) ^ 0xff; } WRITE8_MEMBER( channelf_state::port_5_w ) { m_latch[3] = data; m_custom->sound_w((data>>6)&3); m_row_reg = (data | 0xc0) ^ 0xff; } void channelf_state::channelf_map(address_map &map) { map(0x0000, 0x07ff).rom(); map(0x0800, 0xffff).r(m_cart, FUNC(channelf_cart_slot_device::read_rom)); } void channelf_state::channelf_io(address_map &map) { map(0x00, 0x00).rw(FUNC(channelf_state::port_0_r), FUNC(channelf_state::port_0_w)); /* Front panel switches */ map(0x01, 0x01).rw(FUNC(channelf_state::port_1_r), FUNC(channelf_state::port_1_w)); /* Right controller */ map(0x04, 0x04).rw(FUNC(channelf_state::port_4_r), FUNC(channelf_state::port_4_w)); /* Left controller */ map(0x05, 0x05).rw(FUNC(channelf_state::port_5_r), FUNC(channelf_state::port_5_w)); } static INPUT_PORTS_START( channelf ) PORT_START("PANEL") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("TIME (Button 1)") PORT_CODE(KEYCODE_1) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("HOLD (Button 2)") PORT_CODE(KEYCODE_2) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("MODE (Button 3)") PORT_CODE(KEYCODE_3) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("START (Button 4)") PORT_CODE(KEYCODE_4) PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("RIGHT_C") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT) PORT_PLAYER(1) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT) PORT_PLAYER(1) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN) PORT_PLAYER(1) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP) PORT_PLAYER(1) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_BUTTON4) PORT_NAME("P1 Twist Counterclockwise") PORT_PLAYER(1) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_BUTTON3) PORT_NAME("P1 Twist Clockwise")PORT_PLAYER(1) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_NAME("P1 Pull Up") PORT_PLAYER(1) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_NAME("P1 Push Down") PORT_PLAYER(1) PORT_START("LEFT_C") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT) PORT_PLAYER(2) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT) PORT_PLAYER(2) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN) PORT_PLAYER(2) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP) PORT_PLAYER(2) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_BUTTON4) PORT_NAME("P2 Twist Counterclockwise") PORT_PLAYER(2) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_BUTTON3) PORT_NAME("P2 Twist Clockwise")PORT_PLAYER(2) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_NAME("P2 Pull Up") PORT_PLAYER(2) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_NAME("P2 Push Down") PORT_PLAYER(2) INPUT_PORTS_END void channelf_state::machine_start() { if (m_cart->exists()) { switch (m_cart->get_type()) { case CF_MAZE: m_maincpu->space(AS_IO).install_readwrite_handler(0x24, 0x25, read8_delegate(FUNC(channelf_cart_slot_device::read_ram),(channelf_cart_slot_device*)m_cart), write8_delegate(FUNC(channelf_cart_slot_device::write_ram),(channelf_cart_slot_device*)m_cart)); break; case CF_HANGMAN: m_maincpu->space(AS_IO).install_readwrite_handler(0x20, 0x21, read8_delegate(FUNC(channelf_cart_slot_device::read_ram),(channelf_cart_slot_device*)m_cart), write8_delegate(FUNC(channelf_cart_slot_device::write_ram),(channelf_cart_slot_device*)m_cart)); break; case CF_CHESS: m_maincpu->space(AS_PROGRAM).install_readwrite_handler(0x2800, 0x2fff, read8_delegate(FUNC(channelf_cart_slot_device::read_ram),(channelf_cart_slot_device*)m_cart), write8_delegate(FUNC(channelf_cart_slot_device::write_ram),(channelf_cart_slot_device*)m_cart)); break; case CF_MULTI: case CF_MULTI_OLD: m_maincpu->space(AS_PROGRAM).install_readwrite_handler(0x2800, 0x2fff, read8_delegate(FUNC(channelf_cart_slot_device::read_ram),(channelf_cart_slot_device*)m_cart), write8_delegate(FUNC(channelf_cart_slot_device::write_ram),(channelf_cart_slot_device*)m_cart)); m_maincpu->space(AS_PROGRAM).install_write_handler(0x3000, 0x3fff, write8_delegate(FUNC(channelf_cart_slot_device::write_bank),(channelf_cart_slot_device*)m_cart)); break; } m_cart->save_ram(); } } static void cf_cart(device_slot_interface &device) { device.option_add_internal("std", CHANF_ROM_STD); device.option_add_internal("maze", CHANF_ROM_MAZE); device.option_add_internal("hangman", CHANF_ROM_HANGMAN); device.option_add_internal("chess", CHANF_ROM_CHESS); device.option_add_internal("multi_old",CHANF_ROM_MULTI_OLD); device.option_add_internal("multi", CHANF_ROM_MULTI_FINAL); } MACHINE_CONFIG_START(channelf_state::channelf_cart) /* cartridge */ MCFG_CHANNELF_CARTRIDGE_ADD("cartslot", cf_cart, nullptr) /* Software lists */ MCFG_SOFTWARE_LIST_ADD("cart_list","channelf") MACHINE_CONFIG_END MACHINE_CONFIG_START(channelf_state::channelf) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", F8, 3579545/2) /* Colorburst/2 */ MCFG_DEVICE_PROGRAM_MAP(channelf_map) MCFG_DEVICE_IO_MAP(channelf_io) MCFG_QUANTUM_TIME(attotime::from_hz(60)) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(128, 64) MCFG_SCREEN_VISIBLE_AREA(4, 112 - 7, 4, 64 - 3) MCFG_SCREEN_UPDATE_DRIVER(channelf_state, screen_update_channelf) MCFG_SCREEN_PALETTE("palette") MCFG_PALETTE_ADD("palette", 8) MCFG_PALETTE_INIT_OWNER(channelf_state, channelf) /* sound hardware */ SPEAKER(config, "mono").front_center(); MCFG_DEVICE_ADD("custom", CHANNELF_SOUND) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) channelf_cart(config); MACHINE_CONFIG_END MACHINE_CONFIG_START(channelf_state::sabavdpl) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", F8, MASTER_CLOCK_PAL) /* PAL speed */ MCFG_DEVICE_PROGRAM_MAP(channelf_map) MCFG_DEVICE_IO_MAP(channelf_io) MCFG_QUANTUM_TIME(attotime::from_hz(50)) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(PAL_VBLANK_TIME)) /* approximate */ MCFG_SCREEN_SIZE(128, 64) MCFG_SCREEN_VISIBLE_AREA(4, 112 - 7, 4, 64 - 3) MCFG_SCREEN_UPDATE_DRIVER(channelf_state, screen_update_channelf) MCFG_SCREEN_PALETTE("palette") MCFG_PALETTE_ADD("palette", 8) MCFG_PALETTE_INIT_OWNER(channelf_state, channelf) /* sound hardware */ SPEAKER(config, "mono").front_center(); MCFG_DEVICE_ADD("custom", CHANNELF_SOUND) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) channelf_cart(config); MACHINE_CONFIG_END MACHINE_CONFIG_START(channelf_state::channlf2) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", F8, 3579545/2) /* Colorburst / 2 */ MCFG_DEVICE_PROGRAM_MAP(channelf_map) MCFG_DEVICE_IO_MAP(channelf_io) MCFG_QUANTUM_TIME(attotime::from_hz(60)) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(128, 64) MCFG_SCREEN_VISIBLE_AREA(4, 112 - 7, 4, 64 - 3) MCFG_SCREEN_UPDATE_DRIVER(channelf_state, screen_update_channelf) MCFG_SCREEN_PALETTE("palette") MCFG_PALETTE_ADD("palette", 8) MCFG_PALETTE_INIT_OWNER(channelf_state, channelf) /* sound hardware */ SPEAKER(config, "mono").front_center(); MCFG_DEVICE_ADD("custom", CHANNELF_SOUND) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) channelf_cart(config); MACHINE_CONFIG_END MACHINE_CONFIG_START(channelf_state::sabavpl2) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", F8, MASTER_CLOCK_PAL) /* PAL speed */ MCFG_DEVICE_PROGRAM_MAP(channelf_map) MCFG_DEVICE_IO_MAP(channelf_io) MCFG_QUANTUM_TIME(attotime::from_hz(50)) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(PAL_VBLANK_TIME)) /* not accurate */ MCFG_SCREEN_SIZE(128, 64) MCFG_SCREEN_VISIBLE_AREA(4, 112 - 7, 4, 64 - 3) MCFG_SCREEN_UPDATE_DRIVER(channelf_state, screen_update_channelf) MCFG_SCREEN_PALETTE("palette") MCFG_PALETTE_ADD("palette", 8) MCFG_PALETTE_INIT_OWNER(channelf_state, channelf) /* sound hardware */ SPEAKER(config, "mono").front_center(); MCFG_DEVICE_ADD("custom", CHANNELF_SOUND) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) channelf_cart(config); MACHINE_CONFIG_END ROM_START( channelf ) ROM_REGION(0x10000,"maincpu",0) ROM_SYSTEM_BIOS( 0, "sl90025", "Luxor Video Entertainment System" ) ROMX_LOAD("sl90025.rom", 0x0000, 0x0400, CRC(015c1e38) SHA1(759e2ed31fbde4a2d8daf8b9f3e0dffebc90dae2), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "sl31253", "Channel F" ) ROMX_LOAD("sl31253.rom", 0x0000, 0x0400, CRC(04694ed9) SHA1(81193965a374d77b99b4743d317824b53c3e3c78), ROM_BIOS(1)) ROM_LOAD("sl31254.rom", 0x0400, 0x0400, CRC(9c047ba3) SHA1(8f70d1b74483ba3a37e86cf16c849d601a8c3d2c)) ROM_REGION(0x2000, "vram", ROMREGION_ERASE00) ROM_END #define rom_sabavdpl rom_channelf #define rom_luxorves rom_channelf #define rom_channlf2 rom_channelf #define rom_sabavdpl rom_channelf #define rom_sabavpl2 rom_channelf #define rom_luxorvec rom_channelf #define rom_itttelma rom_channelf #define rom_ingtelma rom_channelf /*************************************************************************** Game driver(s) ***************************************************************************/ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ CONS( 1976, channelf, 0, 0, channelf, channelf, channelf_state, empty_init, "Fairchild", "Channel F", 0 ) CONS( 1977, sabavdpl, channelf, 0, sabavdpl, channelf, channelf_state, empty_init, "SABA", "SABA Videoplay", 0 ) CONS( 197?, luxorves, channelf, 0, sabavdpl, channelf, channelf_state, empty_init, "Luxor", "Luxor Video Entertainment System", 0 ) CONS( 1978, channlf2, 0, channelf, channlf2, channelf, channelf_state, empty_init, "Fairchild", "Channel F II", 0 ) CONS( 1978, sabavpl2, channlf2, 0, sabavpl2, channelf, channelf_state, empty_init, "SABA", "SABA Videoplay 2", 0 ) CONS( 197?, luxorvec, channlf2, 0, sabavpl2, channelf, channelf_state, empty_init, "Luxor", "Luxor Video Entertainment Computer", 0 ) CONS( 197?, itttelma, channlf2, 0, sabavpl2, channelf, channelf_state, empty_init, "ITT", "ITT Tele-Match Processor", 0 ) CONS( 1978, ingtelma, channlf2, 0, sabavpl2, channelf, channelf_state, empty_init, "Ingelen", "Ingelen Tele-Match Processor", 0 )