/******************************************************************
*
* 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;
m_custom->sound_w((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
DEVICE_IMAGE_LOAD_MEMBER( channelf_state, 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( 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(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_state,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_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", 8)
MCFG_PALETTE_INIT_OWNER(channelf_state, channelf)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("custom", CHANNELF_SOUND, 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_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", 8)
MCFG_PALETTE_INIT_OWNER(channelf_state, channelf)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("custom", CHANNELF_SOUND, 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_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", 8)
MCFG_PALETTE_INIT_OWNER(channelf_state, channelf)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("custom", CHANNELF_SOUND, 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_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", 8)
MCFG_PALETTE_INIT_OWNER(channelf_state, channelf)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("custom", CHANNELF_SOUND, 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 )