diff options
Diffstat (limited to 'src/mess/drivers/super6.c')
-rw-r--r-- | src/mess/drivers/super6.c | 573 |
1 files changed, 0 insertions, 573 deletions
diff --git a/src/mess/drivers/super6.c b/src/mess/drivers/super6.c deleted file mode 100644 index 687598f89f8..00000000000 --- a/src/mess/drivers/super6.c +++ /dev/null @@ -1,573 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Curt Coder -/* - - TODO: - - - floppy (cannot be implemented currently since this is another case of halting the cpu mid-instruction) - - interrupts - - DMA - - peripheral interfaces - -*/ - -#include "bus/rs232/rs232.h" -#include "includes/super6.h" - - -//************************************************************************** -// MEMORY BANKING -//************************************************************************** - -//------------------------------------------------- -// bankswitch - -//------------------------------------------------- - -void super6_state::bankswitch() -{ - address_space &program = m_maincpu->space(AS_PROGRAM); - UINT8 *ram = m_ram->pointer(); - - // power on jump - if (!BIT(m_bank0, 6)) { program.install_rom(0x0000, 0x07ff, 0, 0xf800, m_rom); return; } - - // first 64KB of memory - program.install_ram(0x0000, 0xffff, ram); - - // second 64KB of memory - int map = (m_bank1 >> 4) & 0x07; - - switch (map) - { - case 0: - if (BIT(m_bank1, 0)) program.install_ram(0x0000, 0x3fff, ram + 0x10000); - if (BIT(m_bank1, 1)) program.install_ram(0x4000, 0x7fff, ram + 0x14000); - if (BIT(m_bank1, 2)) program.install_ram(0x8000, 0xbfff, ram + 0x18000); - if (BIT(m_bank1, 3)) program.install_ram(0xc000, 0xffff, ram + 0x1c000); - break; - - case 1: - if (BIT(m_bank1, 0)) program.install_ram(0x0000, 0x3fff, ram + 0x10000); - if (BIT(m_bank1, 1)) program.install_ram(0x4000, 0x7fff, ram + 0x14000); - if (BIT(m_bank1, 2)) program.install_ram(0x8000, 0xbfff, ram + 0x18000); - if (BIT(m_bank1, 3)) program.install_ram(0xc000, 0xffff, ram + 0x0000); - break; - - case 2: - if (BIT(m_bank1, 0)) program.install_ram(0x0000, 0x3fff, ram + 0x10000); - if (BIT(m_bank1, 1)) program.install_ram(0x4000, 0x7fff, ram + 0x14000); - if (BIT(m_bank1, 2)) program.install_ram(0x8000, 0xbfff, ram + 0x4000); - if (BIT(m_bank1, 3)) program.install_ram(0xc000, 0xffff, ram + 0x1c000); - break; - - case 3: - if (BIT(m_bank1, 0)) program.install_ram(0x0000, 0x3fff, ram + 0x10000); - if (BIT(m_bank1, 1)) program.install_ram(0x4000, 0x7fff, ram + 0x14000); - if (BIT(m_bank1, 2)) program.install_ram(0x8000, 0xbfff, ram + 0x0000); - if (BIT(m_bank1, 3)) program.install_ram(0xc000, 0xffff, ram + 0x4000); - break; - - case 4: - if (BIT(m_bank1, 0)) program.install_ram(0x0000, 0x3fff, ram + 0xc000); - if (BIT(m_bank1, 1)) program.install_ram(0x4000, 0x7fff, ram + 0x14000); - if (BIT(m_bank1, 2)) program.install_ram(0x8000, 0xbfff, ram + 0x18000); - if (BIT(m_bank1, 3)) program.install_ram(0xc000, 0xffff, ram + 0x1c000); - break; - } - - // bank 0 overrides - if (BIT(m_bank0, 0)) program.install_ram(0x0000, 0x3fff, ram + 0x0000); - if (BIT(m_bank0, 1)) program.install_ram(0x4000, 0x7fff, ram + 0x4000); - if (BIT(m_bank0, 2)) program.install_ram(0x8000, 0xbfff, ram + 0x8000); - if (BIT(m_bank0, 3)) program.install_ram(0xc000, 0xffff, ram + 0xc000); - - // PROM enabled - if (!BIT(m_bank0, 5)) program.install_rom(0xf000, 0xf7ff, 0, 0x800, m_rom); -} - - -//------------------------------------------------- -// s100_w - S-100 bus extended address A16-A23 -//------------------------------------------------- - -WRITE8_MEMBER( super6_state::s100_w ) -{ - /* - - bit description - - 0 A16 - 1 A17 - 2 A18 - 3 A19 - 4 A20 - 5 A21 - 6 A22 - 7 A23 - - */ - - m_s100 = data; -} - - -//------------------------------------------------- -// bank0_w - on-board memory control port #0 -//------------------------------------------------- - -WRITE8_MEMBER( super6_state::bank0_w ) -{ - /* - - bit description - - 0 memory bank 0 (0000-3fff) - 1 memory bank 1 (4000-7fff) - 2 memory bank 2 (8000-bfff) - 3 memory bank 3 (c000-ffff) - 4 - 5 PROM enabled (0=enabled, 1=disabled) - 6 power on jump reset - 7 parity check enable - - */ - - m_bank0 = data; - - bankswitch(); -} - - -//------------------------------------------------- -// bank1_w - on-board memory control port #1 -//------------------------------------------------- - -WRITE8_MEMBER( super6_state::bank1_w ) -{ - /* - - bit description - - 0 memory bank 4 - 1 memory bank 5 - 2 memory bank 6 - 3 memory bank 7 - 4 map select 0 - 5 map select 1 - 6 map select 2 - 7 - - */ - - m_bank1 = data; - - bankswitch(); -} - - - -//************************************************************************** -// PERIPHERALS -//************************************************************************** - -//------------------------------------------------- -// floppy_r - FDC synchronization/drive/density -//------------------------------------------------- - -READ8_MEMBER( super6_state::fdc_r ) -{ - /* - - bit description - - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 FDC INTRQ - - */ - - fatalerror("Z80 WAIT not supported by MAME core\n"); - m_maincpu->set_input_line(Z80_INPUT_LINE_WAIT, ASSERT_LINE); - - return !m_fdc->intrq_r() << 7; -} - - -//------------------------------------------------- -// floppy_w - FDC synchronization/drive/density -//------------------------------------------------- - -WRITE8_MEMBER( super6_state::fdc_w ) -{ - /* - - bit description - - 0 disk drive select 0 - 1 disk drive select 1 - 2 head select (0=head 1, 1=head 2) - 3 disk density (0=single, 1=double) - 4 size select (0=8", 1=5.25") - 5 - 6 - 7 - - */ - - // disk drive select - floppy_image_device *m_floppy = NULL; - - if (BIT(data, 0)) m_floppy = m_floppy0->get_device(); - if (BIT(data, 1)) m_floppy = m_floppy1->get_device(); - - m_fdc->set_floppy(m_floppy); - if (m_floppy) m_floppy->mon_w(0); - - // head select - if (m_floppy) m_floppy->ss_w(BIT(data, 2)); - - // disk density - m_fdc->dden_w(!BIT(data, 3)); -} - - -//------------------------------------------------- -// baud_w - baud rate -//------------------------------------------------- - -WRITE8_MEMBER( super6_state::baud_w ) -{ - /* - - bit description - - 0 SIO channel A baud bit A - 1 SIO channel A baud bit B - 2 SIO channel A baud bit C - 3 SIO channel A baud bit D - 4 SIO channel B baud bit A - 5 SIO channel B baud bit B - 6 SIO channel B baud bit C - 7 SIO channel B baud bit D - - */ - - m_brg->str_w(data & 0x0f); - m_brg->stt_w(data >> 4); -} - - - -//************************************************************************** -// ADDRESS MAPS -//************************************************************************** - -//------------------------------------------------- -// ADDRESS_MAP( super6_mem ) -//------------------------------------------------- - -static ADDRESS_MAP_START( super6_mem, AS_PROGRAM, 8, super6_state ) -ADDRESS_MAP_END - - -//------------------------------------------------- -// ADDRESS_MAP( super6_io ) -//------------------------------------------------- - -static ADDRESS_MAP_START( super6_io, AS_IO, 8, super6_state ) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x03) AM_DEVREADWRITE(Z80DART_TAG, z80dart_device, ba_cd_r, ba_cd_w) - AM_RANGE(0x04, 0x07) AM_DEVREADWRITE(Z80PIO_TAG, z80pio_device, read, write) - AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE(Z80CTC_TAG, z80ctc_device, read, write) - AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE(WD2793_TAG, wd2793_t, read, write) - AM_RANGE(0x10, 0x10) AM_MIRROR(0x03) AM_DEVREADWRITE(Z80DMA_TAG, z80dma_device, read, write) - AM_RANGE(0x14, 0x14) AM_READWRITE(fdc_r, fdc_w) - AM_RANGE(0x15, 0x15) AM_READ_PORT("J7") AM_WRITE(s100_w) - AM_RANGE(0x16, 0x16) AM_WRITE(bank0_w) - AM_RANGE(0x17, 0x17) AM_WRITE(bank1_w) - AM_RANGE(0x18, 0x18) AM_MIRROR(0x03) AM_WRITE(baud_w) -// AM_RANGE(0x40, 0x40) ? -// AM_RANGE(0xe0, 0xe7) HDC? -ADDRESS_MAP_END - - - -//************************************************************************** -// INPUT PORTS -//************************************************************************** - -//------------------------------------------------- -// INPUT_PORTS( super6 ) -//------------------------------------------------- - -static INPUT_PORTS_START( super6 ) - PORT_START("J7") - PORT_DIPNAME( 0x0f, 0x0f, "SIO Channel A Baud Rate" ) PORT_DIPLOCATION("J7:1,2,3,4") - PORT_DIPSETTING( 0x00, "50" ) - PORT_DIPSETTING( 0x01, "75" ) - PORT_DIPSETTING( 0x02, "110" ) - PORT_DIPSETTING( 0x03, "134.5" ) - PORT_DIPSETTING( 0x04, "150" ) - PORT_DIPSETTING( 0x05, "300" ) - PORT_DIPSETTING( 0x06, "600" ) - PORT_DIPSETTING( 0x07, "1200" ) - PORT_DIPSETTING( 0x08, "1800" ) - PORT_DIPSETTING( 0x09, "2000" ) - PORT_DIPSETTING( 0x0a, "2400" ) - PORT_DIPSETTING( 0x0b, "3600" ) - PORT_DIPSETTING( 0x0c, "4800" ) - PORT_DIPSETTING( 0x0d, "7200" ) - PORT_DIPSETTING( 0x0e, "9600" ) - PORT_DIPSETTING( 0x0f, "19200" ) - PORT_DIPNAME( 0x70, 0x70, "SIO Channel B Baud Rate" ) PORT_DIPLOCATION("J7:5,6,7") - PORT_DIPSETTING( 0x00, "50" ) - PORT_DIPSETTING( 0x10, "75" ) - PORT_DIPSETTING( 0x20, "110" ) - PORT_DIPSETTING( 0x30, "134.5" ) - PORT_DIPSETTING( 0x40, "150" ) - PORT_DIPSETTING( 0x50, "300" ) - PORT_DIPSETTING( 0x60, "600" ) - PORT_DIPSETTING( 0x70, "1200" ) - PORT_DIPNAME( 0x80, 0x00, "Disk Drive Type" ) PORT_DIPLOCATION("J7:8") - PORT_DIPSETTING( 0x80, "Single Sided" ) - PORT_DIPSETTING( 0x00, "Double Sided" ) -INPUT_PORTS_END - - - -//************************************************************************** -// DEVICE CONFIGURATION -//************************************************************************** - -//------------------------------------------------- -// Z80CTC -//------------------------------------------------- - -TIMER_DEVICE_CALLBACK_MEMBER( super6_state::ctc_tick ) -{ - m_ctc->trg0(1); - m_ctc->trg0(0); -} - -//------------------------------------------------- -// Z80DMA -//------------------------------------------------- - -READ8_MEMBER(super6_state::memory_read_byte) -{ - address_space& prog_space = m_maincpu->space(AS_PROGRAM); - return prog_space.read_byte(offset); -} - -WRITE8_MEMBER(super6_state::memory_write_byte) -{ - address_space& prog_space = m_maincpu->space(AS_PROGRAM); - prog_space.write_byte(offset, data); -} - -READ8_MEMBER(super6_state::io_read_byte) -{ - address_space& prog_space = m_maincpu->space(AS_IO); - return prog_space.read_byte(offset); -} - -WRITE8_MEMBER(super6_state::io_write_byte) -{ - address_space& prog_space = m_maincpu->space(AS_IO); - prog_space.write_byte(offset, data); -} - -//------------------------------------------------- -// COM8116_INTERFACE( brg_intf ) -//------------------------------------------------- - -WRITE_LINE_MEMBER( super6_state::fr_w ) -{ - m_dart->rxca_w(state); - m_dart->txca_w(state); - - m_ctc->trg1(state); -} - - -//------------------------------------------------- -// floppy_format_type floppy_formats -//------------------------------------------------- - -static SLOT_INTERFACE_START( super6_floppies ) - SLOT_INTERFACE( "525dd", FLOPPY_525_QD ) -SLOT_INTERFACE_END - -WRITE_LINE_MEMBER( super6_state::fdc_intrq_w ) -{ - if (state) m_maincpu->set_input_line(Z80_INPUT_LINE_WAIT, CLEAR_LINE); - - m_ctc->trg3(!state); -} - -WRITE_LINE_MEMBER( super6_state::fdc_drq_w ) -{ - if (state) m_maincpu->set_input_line(Z80_INPUT_LINE_WAIT, CLEAR_LINE); - - m_dma->rdy_w(state); -} - - -//------------------------------------------------- -// z80_daisy_config super6_daisy_chain -//------------------------------------------------- - -static const z80_daisy_config super6_daisy_chain[] = -{ - { Z80CTC_TAG }, - { Z80DART_TAG }, - { Z80PIO_TAG }, - { NULL } -}; - - -static DEVICE_INPUT_DEFAULTS_START( terminal ) - DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_19200 ) - DEVICE_INPUT_DEFAULTS( "RS232_RXBAUD", 0xff, RS232_BAUD_19200 ) - DEVICE_INPUT_DEFAULTS( "RS232_STARTBITS", 0xff, RS232_STARTBITS_1 ) - DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 ) - DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_NONE ) - DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_1 ) -DEVICE_INPUT_DEFAULTS_END - - - -//************************************************************************** -// MACHINE INITIALIZATION -//************************************************************************** - -//------------------------------------------------- -// MACHINE_START( super6 ) -//------------------------------------------------- - -void super6_state::machine_start() -{ - // state saving - save_item(NAME(m_s100)); - save_item(NAME(m_bank0)); - save_item(NAME(m_bank1)); -} - - -void super6_state::machine_reset() -{ - m_bank0 = m_bank1 = 0; - - bankswitch(); - - UINT8 baud = m_j7->read(); - - m_brg->str_w(baud & 0x0f); - m_brg->stt_w((baud >> 4) & 0x07); -} - - - -//************************************************************************** -// MACHINE DRIVERS -//************************************************************************** - -//------------------------------------------------- -// MACHINE_CONFIG( super6 ) -//------------------------------------------------- - -static MACHINE_CONFIG_START( super6, super6_state ) - // basic machine hardware - MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_24MHz/4) - MCFG_CPU_PROGRAM_MAP(super6_mem) - MCFG_CPU_IO_MAP(super6_io) - MCFG_CPU_CONFIG(super6_daisy_chain) - - // devices - MCFG_DEVICE_ADD(Z80CTC_TAG, Z80CTC, XTAL_24MHz/4) - MCFG_Z80CTC_INTR_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0)) - - MCFG_TIMER_DRIVER_ADD_PERIODIC("ctc", super6_state, ctc_tick, attotime::from_hz(XTAL_24MHz/16)) - - MCFG_DEVICE_ADD(Z80DMA_TAG, Z80DMA, XTAL_24MHz/6) - MCFG_Z80DMA_OUT_BUSREQ_CB(INPUTLINE(Z80_TAG, INPUT_LINE_HALT)) - MCFG_Z80DMA_OUT_INT_CB(DEVWRITELINE(Z80CTC_TAG, z80ctc_device, trg2)) - MCFG_Z80DMA_IN_MREQ_CB(READ8(super6_state, memory_read_byte)) - MCFG_Z80DMA_OUT_MREQ_CB(WRITE8(super6_state, memory_write_byte)) - MCFG_Z80DMA_IN_IORQ_CB(READ8(super6_state, io_read_byte)) - MCFG_Z80DMA_OUT_IORQ_CB(WRITE8(super6_state, io_write_byte)) - - MCFG_DEVICE_ADD(Z80PIO_TAG, Z80PIO, XTAL_24MHz/4) - MCFG_Z80PIO_OUT_INT_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0)) - - MCFG_WD2793_ADD(WD2793_TAG, 1000000) - MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(super6_state, fdc_intrq_w)) - MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(super6_state, fdc_drq_w)) - - MCFG_FLOPPY_DRIVE_ADD(WD2793_TAG":0", super6_floppies, "525dd", floppy_image_device::default_floppy_formats) - MCFG_FLOPPY_DRIVE_ADD(WD2793_TAG":1", super6_floppies, NULL, floppy_image_device::default_floppy_formats) - - MCFG_Z80DART_ADD(Z80DART_TAG, XTAL_24MHz/4, 0, 0, 0, 0 ) - MCFG_Z80DART_OUT_TXDA_CB(DEVWRITELINE(RS232_A_TAG, rs232_port_device, write_txd)) - MCFG_Z80DART_OUT_DTRA_CB(DEVWRITELINE(RS232_A_TAG, rs232_port_device, write_dtr)) - MCFG_Z80DART_OUT_RTSA_CB(DEVWRITELINE(RS232_A_TAG, rs232_port_device, write_rts)) - MCFG_Z80DART_OUT_TXDB_CB(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_txd)) - MCFG_Z80DART_OUT_DTRB_CB(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_dtr)) - MCFG_Z80DART_OUT_RTSB_CB(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_rts)) - MCFG_Z80DART_OUT_INT_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0)) - - MCFG_RS232_PORT_ADD(RS232_A_TAG, default_rs232_devices, "terminal") - MCFG_RS232_RXD_HANDLER(DEVWRITELINE(Z80DART_TAG, z80dart_device, rxa_w)) - MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("terminal", terminal) - - MCFG_RS232_PORT_ADD(RS232_B_TAG, default_rs232_devices, NULL) - MCFG_RS232_RXD_HANDLER(DEVWRITELINE(Z80DART_TAG, z80dart_device, rxb_w)) - - MCFG_DEVICE_ADD(BR1945_TAG, COM8116, XTAL_5_0688MHz) - MCFG_COM8116_FR_HANDLER(WRITELINE(super6_state, fr_w)) - MCFG_COM8116_FT_HANDLER(DEVWRITELINE(Z80DART_TAG, z80dart_device, rxtxcb_w)) - - // internal ram - MCFG_RAM_ADD(RAM_TAG) - MCFG_RAM_DEFAULT_SIZE("128K") - - // software list - MCFG_SOFTWARE_LIST_ADD("flop_list", "super6") -MACHINE_CONFIG_END - - - -//************************************************************************** -// ROMS -//************************************************************************** - -//------------------------------------------------- -// ROM( super6 ) -//------------------------------------------------- - -ROM_START( super6 ) - ROM_REGION( 0x800, Z80_TAG, 0 ) - ROM_DEFAULT_BIOS( "v36" ) - ROM_SYSTEM_BIOS( 0, "v36", "ADC S6 v3.6" ) - ROMX_LOAD( "adcs6_v3.6.u29", 0x000, 0x800, CRC(386fd22a) SHA1(9c177990aa180ab93be9c4641e92ae934627e661), ROM_BIOS(1) ) - ROM_SYSTEM_BIOS( 1, "v12", "Digitex Monitor v1.2a" ) - ROMX_LOAD( "digitex monitor 1.2a 6oct1983.u29", 0x000, 0x800, CRC(a4c33ce4) SHA1(46dde43ea51d295f2b3202c2d0e1883bde1a8da7), ROM_BIOS(2) ) - - ROM_REGION( 0x800, "plds", 0 ) - ROM_LOAD( "pal16l8.u16", 0x000, 0x800, NO_DUMP ) - ROM_LOAD( "pal16l8.u36", 0x000, 0x800, NO_DUMP ) -ROM_END - - - -//************************************************************************** -// SYSTEM DRIVERS -//************************************************************************** - -// YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS -COMP( 1983, super6, 0, 0, super6, super6, driver_device, 0, "Advanced Digital Corporation", "Super Six", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW ) |