/****************************************************************** * * 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 * ******************************************************************/ #include "includes/channelf.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 channelf_state::port_read_with_latch(UINT8 ext, UINT8 latch_state) { return (~ext | latch_state); } READ8_MEMBER( channelf_state::channelf_port_0_r ) { return port_read_with_latch(ioport("PANEL")->read(), m_latch[0]); } READ8_MEMBER( channelf_state::channelf_port_1_r ) { UINT8 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::channelf_port_4_r ) { UINT8 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::channelf_port_5_r ) { return port_read_with_latch(0xff, m_latch[3]); } READ8_MEMBER( channelf_state::channelf_2102A_r ) /* SKR */ { UINT8 pdata; if (m_r2102.r_w==0) { m_r2102.addr=(m_r2102.a[0]&1)+((m_r2102.a[1]<<1)&2)+((m_r2102.a[2]<<2)&4)+((m_r2102.a[3]<<3)&8)+((m_r2102.a[4]<<4)&16)+((m_r2102.a[5]<<5)&32)+((m_r2102.a[6]<<6)&64)+((m_r2102.a[7]<<7)&128)+((m_r2102.a[8]<<8)&256)+((m_r2102.a[9]<<9)&512); m_r2102.d=m_r2102.ram[m_r2102.addr]&1; pdata=m_latch[4]&0x7f; pdata|=(m_r2102.d<<7); LOG(("rhA: addr=%d, d=%d, r_w=%d, ram[%d]=%d, a[9]=%d, a[8]=%d, a[7]=%d, a[6]=%d, a[5]=%d, a[4]=%d, a[3]=%d, a[2]=%d, a[1]=%d, a[0]=%d\n",m_r2102.addr,m_r2102.d,m_r2102.r_w,m_r2102.addr,m_r2102.ram[m_r2102.addr],m_r2102.a[9],m_r2102.a[8],m_r2102.a[7],m_r2102.a[6],m_r2102.a[5],m_r2102.a[4],m_r2102.a[3],m_r2102.a[2],m_r2102.a[1],m_r2102.a[0])); return port_read_with_latch(0xff,pdata); } else LOG(("rhA: r_w=%d\n",m_r2102.r_w)); return port_read_with_latch(0xff, m_latch[4]); } READ8_MEMBER( channelf_state::channelf_2102B_r ) /* SKR */ { LOG(("rhB\n")); return port_read_with_latch(0xff, m_latch[5]); } WRITE8_MEMBER( channelf_state::channelf_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::channelf_port_1_w ) { m_latch[1] = data; m_val_reg = ((data ^ 0xff) >> 6) & 0x03; } WRITE8_MEMBER( channelf_state::channelf_port_4_w ) { m_latch[2] = data; m_col_reg = (data | 0x80) ^ 0xff; } WRITE8_MEMBER( channelf_state::channelf_port_5_w ) { m_latch[3] = data; channelf_sound_w(machine().device("custom"), (data>>6)&3); m_row_reg = (data | 0xc0) ^ 0xff; } WRITE8_MEMBER( channelf_state::channelf_2102A_w ) /* SKR */ { m_latch[4]=data; m_r2102.a[2]=(data>>2)&1; m_r2102.a[3]=(data>>1)&1; m_r2102.r_w=data&1; m_r2102.addr=(m_r2102.a[0]&1)+((m_r2102.a[1]<<1)&2)+((m_r2102.a[2]<<2)&4)+((m_r2102.a[3]<<3)&8)+((m_r2102.a[4]<<4)&16)+((m_r2102.a[5]<<5)&32)+((m_r2102.a[6]<<6)&64)+((m_r2102.a[7]<<7)&128)+((m_r2102.a[8]<<8)&256)+((m_r2102.a[9]<<9)&512); m_r2102.d=(data>>3)&1; if(m_r2102.r_w==1) m_r2102.ram[m_r2102.addr]=m_r2102.d; LOG(("whA: data=%d, addr=%d, d=%d, r_w=%d, ram[%d]=%d\n",data,m_r2102.addr,m_r2102.d,m_r2102.r_w,m_r2102.addr,m_r2102.ram[m_r2102.addr])); } WRITE8_MEMBER( channelf_state::channelf_2102B_w ) /* SKR */ { m_latch[5]=data; m_r2102.a[9]=(data>>7)&1; m_r2102.a[8]=(data>>6)&1; m_r2102.a[7]=(data>>5)&1; m_r2102.a[1]=(data>>4)&1; m_r2102.a[6]=(data>>3)&1; m_r2102.a[5]=(data>>2)&1; m_r2102.a[4]=(data>>1)&1; m_r2102.a[0]=data&1; LOG(("whB: data=%d, a[9]=%d,a[8]=%d,a[0]=%d\n",data,m_r2102.a[9],m_r2102.a[8],m_r2102.a[0])); } static ADDRESS_MAP_START( channelf_map, AS_PROGRAM, 8, channelf_state ) AM_RANGE(0x0000, 0x07ff) AM_ROM AM_RANGE(0x0800, 0x27ff) AM_ROM /* Cartridge Data */ AM_RANGE(0x2800, 0x2fff) AM_RAM /* Schach RAM */ AM_RANGE(0x3000, 0xffff) AM_ROM /* Cartridge Data continued */ ADDRESS_MAP_END static ADDRESS_MAP_START( channelf_io, AS_IO, 8, channelf_state ) AM_RANGE(0x00, 0x00) AM_READWRITE(channelf_port_0_r, channelf_port_0_w) /* Front panel switches */ AM_RANGE(0x01, 0x01) AM_READWRITE(channelf_port_1_r, channelf_port_1_w) /* Right controller */ AM_RANGE(0x04, 0x04) AM_READWRITE(channelf_port_4_r, channelf_port_4_w) /* Left controller */ AM_RANGE(0x05, 0x05) AM_READWRITE(channelf_port_5_r, channelf_port_5_w) AM_RANGE(0x20, 0x20) AM_READWRITE(channelf_2102A_r, channelf_2102A_w) /* SKR 2102 control and addr for cart 18 */ AM_RANGE(0x21, 0x21) AM_READWRITE(channelf_2102B_r, channelf_2102B_w) /* SKR 2102 addr */ AM_RANGE(0x24, 0x24) AM_READWRITE(channelf_2102A_r, channelf_2102A_w) /* SKR 2102 control and addr for cart 10 */ AM_RANGE(0x25, 0x25) AM_READWRITE(channelf_2102B_r, channelf_2102B_w) /* SKR 2102 addr */ ADDRESS_MAP_END static INPUT_PORTS_START( channelf ) PORT_START("PANEL") /* Front panel buttons */ PORT_BIT ( 0x01, IP_ACTIVE_HIGH, IPT_START ) /* TIME (1) */ PORT_BIT ( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON5 ) /* HOLD (2) */ PORT_BIT ( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON6 ) /* MODE (3) */ PORT_BIT ( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON7 ) /* START (4) */ PORT_BIT ( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("RIGHT_C") /* Right controller */ 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) /* C-CLOCKWISE */ PORT_PLAYER(1) PORT_BIT ( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON3) /* CLOCKWISE */ PORT_PLAYER(1) PORT_BIT ( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2) /* PULL UP */ PORT_PLAYER(1) PORT_BIT ( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1) /* PUSH DOWN */ PORT_PLAYER(1) PORT_START("LEFT_C") /* Left controller */ 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) /* C-CLOCKWISE */ PORT_PLAYER(2) PORT_BIT ( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON3) /* CLOCKWISE */ PORT_PLAYER(2) PORT_BIT ( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2) /* PULL UP */ PORT_PLAYER(2) PORT_BIT ( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1) /* PUSH DOWN */ PORT_PLAYER(2) INPUT_PORTS_END static DEVICE_IMAGE_LOAD( channelf_cart ) { UINT32 size; if (image.software_entry() == NULL) { size = image.length(); if (size > 0xf800) { image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported cartridge size"); return IMAGE_INIT_FAIL; } if (image.fread( image.device().machine().root_device().memregion("maincpu")->base() + 0x0800, size) != size) { image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unable to fully read from file"); return IMAGE_INIT_FAIL; } } else { size = image.get_software_region_length("rom"); memcpy(image.device().machine().root_device().memregion("maincpu")->base() + 0x0800, image.get_software_region("rom"), size); } return IMAGE_INIT_PASS; } static MACHINE_CONFIG_FRAGMENT( channelf_cart ) /* cartridge */ MCFG_CARTSLOT_ADD("cart") MCFG_CARTSLOT_EXTENSION_LIST("bin,chf") MCFG_CARTSLOT_INTERFACE("channelf_cart") MCFG_CARTSLOT_LOAD(channelf_cart) /* Software lists */ MCFG_SOFTWARE_LIST_ADD("cart_list","channelf") MACHINE_CONFIG_END static MACHINE_CONFIG_START( channelf, channelf_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", F8, 3579545/2) /* Colorburst/2 */ MCFG_CPU_PROGRAM_MAP(channelf_map) MCFG_CPU_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_PALETTE_LENGTH(8) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("custom", CHANNELF, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) MCFG_FRAGMENT_ADD( channelf_cart ) MACHINE_CONFIG_END static MACHINE_CONFIG_START( sabavdpl, channelf_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", F8, MASTER_CLOCK_PAL) /* PAL speed */ MCFG_CPU_PROGRAM_MAP(channelf_map) MCFG_CPU_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_PALETTE_LENGTH(8) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("custom", CHANNELF, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) MCFG_FRAGMENT_ADD( channelf_cart ) MACHINE_CONFIG_END static MACHINE_CONFIG_START( channlf2, channelf_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", F8, 3579545/2) /* Colorburst / 2 */ MCFG_CPU_PROGRAM_MAP(channelf_map) MCFG_CPU_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_PALETTE_LENGTH(8) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("custom", CHANNELF, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) MCFG_FRAGMENT_ADD( channelf_cart ) MACHINE_CONFIG_END static MACHINE_CONFIG_START( sabavpl2, channelf_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", F8, MASTER_CLOCK_PAL) /* PAL speed */ MCFG_CPU_PROGRAM_MAP(channelf_map) MCFG_CPU_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_PALETTE_LENGTH(8) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("custom", CHANNELF, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MCFG_FRAGMENT_ADD( channelf_cart ) 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(1)) ROM_SYSTEM_BIOS( 1, "sl31253", "Channel F" ) ROMX_LOAD("sl31253.rom", 0x0000, 0x0400, CRC(04694ed9) SHA1(81193965a374d77b99b4743d317824b53c3e3c78), ROM_BIOS(2)) 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 INIT COMPANY FULLNAME FLAGS */ CONS( 1976, channelf, 0, 0, channelf, channelf, driver_device, 0, "Fairchild", "Channel F", 0 ) CONS( 1977, sabavdpl, channelf, 0, sabavdpl, channelf, driver_device, 0, "SABA", "SABA Videoplay", 0 ) CONS( 197?, luxorves, channelf, 0, sabavdpl, channelf, driver_device, 0, "Luxor", "Luxor Video Entertainment System", 0 ) CONS( 1978, channlf2, 0, channelf, channlf2, channelf, driver_device, 0, "Fairchild", "Channel F II", 0 ) CONS( 1978, sabavpl2, channlf2, 0, sabavpl2, channelf, driver_device, 0, "SABA", "SABA Videoplay 2", 0 ) CONS( 197?, luxorvec, channlf2, 0, sabavpl2, channelf, driver_device, 0, "Luxor", "Luxor Video Entertainment Computer", 0 ) CONS( 197?, itttelma, channlf2, 0, sabavpl2, channelf, driver_device, 0, "ITT", "ITT Tele-Match Processor", 0 ) CONS( 1978, ingtelma, channlf2, 0, sabavpl2, channelf, driver_device, 0, "Ingelen", "Ingelen Tele-Match Processor", 0 )